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Biocompatibility of dental casting alloys Biocompatibility of dental casting alloys Новинка

Biocompatibility of dental casting alloys

4631 руб.
With the advancements in technology more & more artificial metals, alloys and other implantable and non implantable materials are being used in the fields of medicine and dentistry. These materials directly or indirectly come in contact with skin, epithelium, connective tissue or bone. Given this long term intimate contact with vital tissues, it is paramount that alloy biocompatibility be investigated and understood. Moreover the oral and maxillofacial environment is complex and varied with different requirement and biocompatibility issues depending on the specific use. Unfortunately in our educational curriculums these important issues are not thoroughly understood, investigated or taught. In this book authors have made an utmost effort to make readers get a fair idea about these important issues and discuss the recent researches in this field. This will surely be a very useful piece of work for the medical and dental students, practitioners, assistants, technicians, manufacturer and many others who directly or indirectly come in contact with these materials.
Dental Casting Alloys Dental Casting Alloys Новинка

Dental Casting Alloys

5283 руб.
Nowadays, the use of pure metals is quite limited in dentistry because they appear to be soft and may tend to corrode rapidly.To optimize properties, most of the metals commonly used in dental applications are mixtures of two or more metallic elements or one or more metals and/or non-metals. Although such mixtures can be produced in a number of ways. The use of these cast metals has decreased because of increased consumer demand for aesthetics over durability. Knowledge of the structure and properties of cast metals and alloys is essential to ensure proper handling of these materials. Thus this book is a compilation of all dental casting alloys and their applications in clinical dentistry.
Casting Reliability of Oxidising Prone Metal Alloys Casting Reliability of Oxidising Prone Metal Alloys Новинка

Casting Reliability of Oxidising Prone Metal Alloys

4468 руб.
Aluminium alloys are now used for various purposes in different industries like Automobile industries, Aerospace industries etc. The light weight of aluminium allows producing high strength to weight ratio materials. But these alloys are highly oxidising in nature which is responsible for poor casting products and thus deserves more research to develop the casting design. In this book the reliability of cast Al alloy, i.e. Al-7Si-0.6Mg (LM25), has been investigated using Weibull Modulus. The degree of degassing, ingate velocity are selected as the foundry variables to inspect their effect on the mechanical properties of castings. The ultimate tensile strength (UTS) values are then used to calculate the weibull Modulus which is the indicative parameter for casting reliability; the higher the Weibull Modulus, the higher the reliability of the casting. Gate velocity or the turbulence flow of the liquid metal in the mould has been found to have the second most detrimental effects on casting reliability. This book can help the various manufacturers, researchers to understand the appropriate casting design for sound casting of Aluminium alloys.
Quality of Aluminum-Silicon Casting Alloys Quality of Aluminum-Silicon Casting Alloys Новинка

Quality of Aluminum-Silicon Casting Alloys

4468 руб.
Quality indices and quality charts were used as evaluation tool for selecting the optimum conditions to be applied in practice in order to develop superior tensile properties and optimum quality in Al-Si casting alloys. The right alloy quality in engineering applications involves reaching a suitable compromise between numerous factors so as to present the maximum performance combined with cost efficiency. Alloy composition, solidification rate, and heat treatment procedures, are all parameters which closely affect alloy quality since they also influence the tensile properties of the casting. The quality of aluminum alloy castings may be defined using numerical values which correlate to their mechanical properties. Several models were proposed to correlate the quality of the Al-Si castings to the mechanical properties of these alloys.
Innovative Ti Alloys for Biomedical Applications Innovative Ti Alloys for Biomedical Applications Новинка

Innovative Ti Alloys for Biomedical Applications

6374 руб.
Increased applications of titanium and its alloys as biomaterials originates from their lower modulus, superior biocompatibility and better corrosion resistance when compared to conventional stainless and cobalt-based alloys. The topics of this book are composed of two parts, one is bioactive surface using inorganic treatments and grafted ALP molecule, and the other is the effects of rapid solidification and Cu addition on microstructures and martensitic transformation behaviors in Ti-Ni alloy.
Dendritic Microstructure of Directionally Cast Al and Mg Alloys Dendritic Microstructure of Directionally Cast Al and Mg Alloys Новинка

Dendritic Microstructure of Directionally Cast Al and Mg Alloys

4631 руб.
The present book investigates the spacing and orientation selection in directional solidification of Aluminum and Magnesium alloys under transient growth conditions, which represent the conditions dominant in industrial casting. Dendritic spacing and morphology established during casting often sets the scales of the downstream microstructure during manufacturing of alloys. This is particularly true in emerging technologies such as twin belt casting. The mechanical and physical properties of alloys are thus highly dependent on the morphology established during solidification. It is shown both experimentally and through phase field modeling that the previously obtained geometrical models to predict the dendrite spacing is not valid under transient growth. Instead, the initial conditions and history of the growth highly influence the final spacing. The orientation selection of hexagonal dendrites is discussed in chapter four.
An Investigation into Solidification of Hypereutectic Al-Si Alloys An Investigation into Solidification of Hypereutectic Al-Si Alloys Новинка

An Investigation into Solidification of Hypereutectic Al-Si Alloys

7286 руб.
Prof A.L. Greer (University of Cambridge), external examiner (in his report): This research project has dealt with the solidification of hypereutectic Al-Si alloys, a topic of continuing practical importance. The candidate gives adequate reviews of the theory of crystal nucleation in melts and of prior work on hypereutectic Al-Si alloys. The experimental work has involved casting, heat treatment, X-ray diffraction, metallography, differential thermal analysis and electron back-scatter diffraction. It appears that all of the techniques used have been standard, but the work has been competently carried out. The heart of the work is examination of the effects of phosphorous and strontium additions on the number of primary silicon particles per unit volume. The results have been fitted to a nucleation model by Perepezko. The nucleation temperature has been identified as a key variable. Prof I. Todd (University of Sheffield, UK), the supervision team: Masoumeh's research at the time focused on the simultaneous modification of both primary and eutectic silicon in aluminium silicon casting alloys, a topic that remains challenging and has significant commercial and technological value.
Dentine Bonding Agents Dentine Bonding Agents Новинка

Dentine Bonding Agents

7466 руб.
This book covers general concepts of dentine bonding agents with special reference to biocompatibility. Biocompatibility of all kinds of dental materials is of paramount importance in order to prevent/limit irritation or degeneration of the surrounding tissues where it is applied. The first part of this book gives an overview of dentine bonding agents and compared the cytotoxicity of human dental pulp cell lines to a mouse 3T3 cell line to cytotoxic challenges from dentine bonding agents. The second part of the book compared the cytotoxicity of recent dentine bonding agents through artificial membranes as well as thin dentine discs (after its reaction with apatite)as well as the primer part and the bond part separately. This book covers all relevant aspects of cytotoxicity of dentine bonding agents and will be a useful guide to dentists, dental students and researchers interested in the field of biocompatibility of dental materials.
Volume Deficit Calculation of Cast Aluminium Silicon Alloys Volume Deficit Calculation of Cast Aluminium Silicon Alloys Новинка

Volume Deficit Calculation of Cast Aluminium Silicon Alloys

4550 руб.
Volume deficit occurs in alloys during freezing and cooling due to decrease in specific volume and it is of major concern in the foundry industry. Volume deficit characteristic of cast Aluminium Silicon alloys has been discussed in the present study.Patterson and Engler have classified the volume deficit into four types namely, macro cavities, internal porosity, surface sinking and volumetric contraction. X-Ray computer tomography (XCT) is a more effective NDE tool in predicting the casting defects than conventional radiography. Quantification of internal closed porosity has been done through XCT.
Development of Magnesium Alloys for Automobiles Development of Magnesium Alloys for Automobiles Новинка

Development of Magnesium Alloys for Automobiles

5576 руб.
During the last decade, Mg alloys have attracted much attention for their application in various fields as a light-weight structural material. The widespread application of Mg alloys is due to the fact that Mg is the eighth most abundant element in the earth's crust and the third most plentiful element dissolved in seawater, with a relatively low cost, low density, good machinability, high specific strength and easy recycling capability. All these properties make Mg alloys excellent candidates as a structural material. The specific gravity of the magnesium is 1.74 that is about 2/5 of the titanium or about 2/3 of aluminium. The magnesium is the most lightweight in metal structure materials, and the strength is at the same level as aluminium. Lightweight structure is very useful in aviation, aerospace, automotive, transportation and other fields. Magnesium alloy has an obvious advantage in these fields because of its low density and high specific strength. Magnesium-alloy components are generally produced by casting processes. Mg–Al based alloys, such as AZ and AM series magnesium alloys, are the most commonly used commercial materials in automotive fields.
Fractal Analysis Approach for Studying Pores in Cast Al Alloys Fractal Analysis Approach for Studying Pores in Cast Al Alloys Новинка

Fractal Analysis Approach for Studying Pores in Cast Al Alloys

6201 руб.
The conventional method of reducing porosity in cast products includes sequential solidification, addition of risers and modification of the speed of pouring of the molten metal which are all pre-casting methods.In this study post casting method of reducing effects of harmful pores and identifying the point of crack initiations for eventual failure in cast products have been developed for aluminum alloys tested.These new methods were applied to the micro structures of the cast aluminum alloys to effect pore shape change,reduction in percentage porosity and identification of the point of crack initiation.In addition,it has been established that for heat treated samples, through the resulting curves that there is a critical value of sphericity (i.e a minimum point)above which any increase in sphericity causes a corresponding increase in fractal Dimension.
Dental Implants.Inmediate Loading Full Arch. New concepts Dental Implants.Inmediate Loading Full Arch. New concepts Новинка

Dental Implants.Inmediate Loading Full Arch. New concepts

2070 руб.
For the last two decades, dental implants have been regarded as a predictable means of achieving oral rehabilitation. In retrospect, this seems to be due to three main factors: the biocompatibility of titanium, the design and surface of the implants and the receptivity of the host. Since the 1990s, two other elements have been added to the list and have been changing constantly: surgical technique and load conditions.
Recasting of Nickel-Chromium Alloy Recasting of Nickel-Chromium Alloy Новинка

Recasting of Nickel-Chromium Alloy

4631 руб.
Recasting of dental casting alloy is of great advantage both economically and environmentally. Properties such as castability, hardness and porosity are of prime importance and must be considered in selection of an alloy for cast dental restorations. As per the review of literature there are very few studies on recasting of dental casting alloy. This study was designed to find out effect of recasting on castability, hardness and porosities. Castability was studied as complete casting of any metal restoration is mandatory and it can be know by castability test. Whitlock’s castability test was implemented in this study. Ideally hardness should be high to resist any scratches and to maintain the smoothness of cast restorations during laboratory procedures and also in the oral environment. It denotes strength, stiffness, brittleness, resilience and toughness or combination of any of these qualities. Porosities in dental casting alloy can alter physical and mechanical properties of the metal which may lead to failure of crown and bridge and also cast partial denture prosthesis. Porosities were evaluated using a scanning electron microscope in this study.
Twin Roll Casting of AZ31 Magnesium Alloy Twin Roll Casting of AZ31 Magnesium Alloy Новинка

Twin Roll Casting of AZ31 Magnesium Alloy

7204 руб.
The current book comprises a study on twin roll casting (TRC) of AZ31 magnesium alloy. TRC process is an attractive manufacturing process in terms of sheet production. This process incorporates casting and hot rolling in one process. In the current book, a review of the past studies on the TRC of steel, aluminum and magnesium alloys is presented followed by developing a thermal-fluid-stress model to simulate the thermo-mechanical behavior of the AZ31 twin roll cast strip. The process was studied in terms of temperature distribution and stress-strain development in the cast strip, roll separating force, solidification cooling rate and.... The effect of roll diameter was also studied to develop a scale-up model. The results were then correlated to conditions which lead to inverse and center-line segregation formation to develop process maps. Using process maps, the optimum casting conditions to produce high quality magnesium sheets are determined.
Investigations for casting of Al-SiC metal matrix composite Investigations for casting of Al-SiC metal matrix composite Новинка

Investigations for casting of Al-SiC metal matrix composite

3274 руб.
Aluminium (Al) based metal matrix composites (MMC) have many potential engineering applications. There has been a critical need for casting of cost-effective MMC. Not much work hitherto been reported for casting of Al based MMC with vacuum moulding. An approach to macro-model the micro hardness and dimensional accuracy for casting of MMC of Al and its alloys have been proposed and applied. Relationship between micro hardness, dimensional accuracy and other parameter has been deduced by using Taguchi’s technique L9 orthogonal array (OA). Results indicate that the hardness of MMC developed depends significantly on the component volume, pouring temperature and composition. The comparison with experimental results will also serve as future validation of the model.
Recent Advancements In Dental Ceramics Recent Advancements In Dental Ceramics Новинка

Recent Advancements In Dental Ceramics

6606 руб.
Dental Ceramic materials are best able to mimic the appearance of natural teeth. Metal ceramic restorations have been available for more than three decades.metal ceramic restoration has gained popularity from its predictable performance and reasonable esthetics. Despite its success, the demand for improved esthetics and the concerns regarding the biocompatibility of the metal has lead to the introduction of all-ceramic restorations. Recent advancements in ceramic processing methods have simplified the work of the dental technician and have allowed greater quality control for ceramic materials, which has increased their mechanical reliability.
Study on Biodegradable Mg-Ca Alloy for Use in Biomedical Applications Study on Biodegradable Mg-Ca Alloy for Use in Biomedical Applications Новинка

Study on Biodegradable Mg-Ca Alloy for Use in Biomedical Applications

4468 руб.
With the help of a great number of materials that have been implanted in the human body, advanced medical technology has had a great effect on the well being of human. In order to use metallic biomaterials in the body, they need to be non-toxic or non-carcinogenic, imposing no harm to the human body. At the present time, Magnesium and its alloys have experienced a significant increase in demand in biodegradable bone implant applications due to their biocompatibility as well as the fact that they have mechanical properties similar to natural bone. Previous studies on Calcium as an alloying element which has similar density to bone has shown that Mg-Ca alloys degrade within the bone and have biocompatibility both in vivo and vitro. The objectives of this book are to (a) study the effect of Ca content on the properties of binary Mg-Ca alloys and (b) assess the effect of forging parameters, forging temperature and speed, on the properties of binary Mg-1Ca alloy.
Evolution Of Metals/Alloys Used In Prosthodontics Evolution Of Metals/Alloys Used In Prosthodontics Новинка

Evolution Of Metals/Alloys Used In Prosthodontics

6426 руб.
This book reveals the history of metals and alloys and their importance in prosthodontics. This book covers the review of literature, classification, discuss the metals and alloys and also the recent alloys used in prosthodontics.This book also revels the recent classification of the alloys according to ADA. This book explains each alloys properties,uses, compositions, advantages and disadvantages of each alloy.
In vivo Biodegradation and Biocompatibility studies of biomaterial In vivo Biodegradation and Biocompatibility studies of biomaterial Новинка

In vivo Biodegradation and Biocompatibility studies of biomaterial

4631 руб.
Biomaterials play an important role in artificial organ replacement. These biomaterials are used as scaffolds for the tissue growth. One such materials is poly(?-caprolactone-co-lactide-co-glycolide) diacrylate (PCLLGA-DA), prepared by ring opening polymerization of lactide (LA), glycolide (GA) and ?- caprolactone (?-CL), diacrylation and photo polymerization. The photopolymerized polymer films had good physical and mechanical properties and the in vitro biocompatibility studies showed positive results. However, in vivo biocompatibility test are necessary because the in vivo condition may produce different effects on the biocompatibility of polymer. This project deals with the biocompatibility evaluation and biodegradation evaluation of the polymer poly(?-caprolactone-co-lactide-co-glycolide) diacrylate (PCLLGA-DA). The polymer is synthesized with different molecular weight by varying the amount of the initiator and the percentage of monomer is fixed at ?-CL-60 mol%, LA-20 mol% and GA-20 mol%. The resultant polymer films, produced after photopolymerization, were inserted into the subcutaneous layer of rats & bio compatibility was analysed
The Beginning of the Use of Metals & Alloys The Beginning of the Use of Metals & Alloys Новинка

The Beginning of the Use of Metals & Alloys

4678 руб.
The Beginning of the Use of Metals & Alloys
Biocompatibility study of Hydroxyapatite Biocompatibility study of Hydroxyapatite Новинка

Biocompatibility study of Hydroxyapatite

4716 руб.
Among the bioactive ceramics Hydroxyapatite (HA) is an inorganic, insoluble calcium phosphate salt and owing to its biocompatibility and osteoconductive properties it is a desirable implant material. Hydroxyapatite (HA) is one of the most stable crystal structures of the calcium phosphates. Hydroxyapatite (HA) is the principal bioactive The aim of this work is to synthesize phase pure hydroxyapatite by the wet precipitation method which is the simplest method for the synthesis of hydroxyl apatite. To evaluate the phase purity of hydroxyapatite and to know the effect of stirring speed and time on the phase purity. To study the morphology of HA particles and its size variation with stirring time. To determine how stirring time effect of the crystallite size and crystallinity degree. To evaluate the phase purity of hydroxyapatite and to know the effect of refluxing time on the phase purity. To study the morphology of HA particles and its size variation with refluxing time. To examine how refluxing time effect of the crystallite size and crystallinity degree. In vitro assessment of bioactivity of synthesized hydroxyapatite powder in simulated body fluid.
Fundamentals of Creep in Metals and Alloys, Fundamentals of Creep in Metals and Alloys, Новинка

Fundamentals of Creep in Metals and Alloys,

35704 руб.
Fundamentals of Creep in Metals and Alloys,
The Theory of Transformations in Metals and Alloys (Part I + II), The Theory of Transformations in Metals and Alloys (Part I + II), Новинка

The Theory of Transformations in Metals and Alloys (Part I + II),

32650 руб.
The Theory of Transformations in Metals and Alloys (Part I + II),
Corrosion Of Copper Alloys In Acids Corrosion Of Copper Alloys In Acids Новинка

Corrosion Of Copper Alloys In Acids

4716 руб.
The main aim of this book is to introduce the mechanisms of corrosion of copper and copper alloys in acidic media. Corrosion is phenomena occurred at the surface of materials exposed to chemically aggressive environments. Consequently, the use of copper corrosion inhibitors in such conditions is necessary since no protective passive layer can be expected. This book deals with the corrosion of copper in different ways.
Development of Iron-Phosphorus alloys through Hot Powder Forging Development of Iron-Phosphorus alloys through Hot Powder Forging Новинка

Development of Iron-Phosphorus alloys through Hot Powder Forging

4468 руб.
In this book, the full spectrum of processing of Iron-Phosphorus alloys through Powder Metallurgy (P/M) route has been addressed. Phosphorus in steel in general increases the yield strength, ultimate tensile strength and hardness. Phosphorus also improves wear resistance, corrosion resistance and soft magnetic characteristics of iron. Phosphorus contents however promote brittle behaviour in wrought route owing to segregation of Fe3P along grain boundaries. P/M route avoids embrittlement in high Phosphorus containing Iron based alloys. In the present work the alloys have been forged using a hot powder forging technique. In this process mild steel encapsulated powders were hot forged into slabs. Then the slabs were hot rolled and annealed to relieve the residual stresses. Densifications as high as 98.9% of theoretical density have been realized. Very little academic literature exists on how to reduce the brittle behaviour of Phosphorus. The properties of phosphoric irons manufactured by the powder route have not been studied extensively by the scientific community. This book, therefore, provides a new metric of success for development of Fe-P alloys.
Dental Cements in Operative Dentistry Dental Cements in Operative Dentistry Новинка

Dental Cements in Operative Dentistry

5576 руб.
Operative dentistry has evolved through centuries with the advancement in the procedure techniques and material sciences.Success of the operative procedures depends not only on the techniques but also on the judicious use of the dental materials.The main goal of the operative dentistry is to restore the proper tooth form in its harmonious function and esthetics.To achieve this goal large number of research was done and even being carried out today by many researchers to develope new and better restorative techniques and dental materials.Various materials used in operative dentistry are metal alloys like gold, silver, cements, ceramic and composites. Among these materials used, dental cements play a major role in operative dentistry. This book is a compilation of all dental cements and their application with their advantages and disadvantages.
Bioimaging Applications And Biocompatibility Of Nanoparticle Bioimaging Applications And Biocompatibility Of Nanoparticle Новинка

Bioimaging Applications And Biocompatibility Of Nanoparticle

5918 руб.
Nanotechnology is the most promising are of revolutionary science. The use of fluorescent nanoparticle open the possibility of in-vitro and in-vivo imaging for various disease diagnosis. Breast cancer is a severe problem in the whole world and we have no permanent solution for the detection and treatment of breast cancer. Many drugs are available in market but among them; most of the drugs are suitable for treatment in initial stag. Monoclonal antibody therapy for human epidermal growth factor receptor-2 (HER-2) is most effective in HER-2 positive breast cancer patient and is now widely used for treatment. Therefore, the early detection of HER-2 status in breast cancer patient is very important for the effective implementation of monoclonal antibody therapy. Combination of bioimaging using fluorescent nanoparticle as diagnostic tool and monoclonal antibody therapy is the most promising way for early detection and cure of cancer and other disease. Nanoparticle is also useful as antibacterial agent in several application. This book will provide you research based application of fluorescent and other nanoparticle and its biocompatibility for animal cell.
Cobalt - Physical Properties, Metallurgy, Alloys, Chemistry and Uses Cobalt - Physical Properties, Metallurgy, Alloys, Chemistry and Uses Новинка

Cobalt - Physical Properties, Metallurgy, Alloys, Chemistry and Uses

3315 руб.
This is a compilation of two previous Canada Department of Mines titles, "The Physical Properties of the Metal Cobalt" (H.T. Kalmus), and "Cobalt - Its Occurrence, Metallurgy, Uses and Alloys" (Charles W. Drury), with some minor corrections and additions.
Study of Oxidation Resistance on Ti-Al Alloys Study of Oxidation Resistance on Ti-Al Alloys Новинка

Study of Oxidation Resistance on Ti-Al Alloys

6426 руб.
Results show that a decrease in Al content resulted in an increase in the amount of alpha2-Ti3Al phase, which led to an increase in the strength of the alloys but gave detrimental effect to the specific weight. In contrast, the higher Cr addition shows an increase in both strength and specific weight of the alloys. In addition, suitable amount of Cr addition (
Use of Cowry shells in Dental and Orthopedic Medicine Use of Cowry shells in Dental and Orthopedic Medicine Новинка

Use of Cowry shells in Dental and Orthopedic Medicine

4468 руб.
Every year, over one million people in the U.S require bone graft procedures, particularly jaw bone replacement,and other 500,000 patients require dental implants worldwide. Most of these implants are made from titanium based alloy, or alloys made from cobalt and chromium. However, these materials fail due to inflammatory responses, and regular dental replacement surgeries are performed to replace these failed implants. To address this problem, dentists resorted to the use of the patients’ own bone. This requires removing one or more bones from the patient’s chin,ramus(the back part of the lower jaw) or more commonly, the ribs. This procedure subjects the patient to double surgical trauma and pain. As a result, there is a need to develop other methods and materials that would properly replace damaged bones around human maxillofacial, reducing the multiple and extended surgical procedures. Material that would properly augment the jaw bones must be highly biocompatible and similar in composition to the latter. The use of cowry shells(an exoskeleton),its extracts(chitosan)and composites(silica-chitosan) to design implants for this purpose was demonstrated clinically.
Fluidized Bed Technique Fluidized Bed Technique Новинка

Fluidized Bed Technique

7204 руб.
Heat treatment is the most common process used to alter the mechanical properties of aluminum alloys. Traditional heat treatment technology applies circulating air convection furnaces for the purposes of obtaining a T6 or T7 temper. With conventional heat treating systems, however, prolonged solution heat treatment and aging times of over 20 h are required for heat treatment of aluminum casting alloys, entailing high energy costs. The long cycle times required for heat treating with conventional systems go contrary to industry requirements where the goal is to improve the performance of the part and to reduce the time of manufacturing. The fluidized bed (FB) heat-treating process makes it possible to reduce the time required for heat treating significantly (2 h), while at the same time increasing the uniformity of the heat treatment process. The use of fluidized beds is considered to be an innovative technology for the heat treatment process of Al-Si cast alloys and appears to be more effective than conventional furnace techniques. This book,therefore, explains the influence of fluidized bed heat treatment on the performance of aluminum based castings used in automotive industry.
Rapid solidification technology and lead free solder alloys Rapid solidification technology and lead free solder alloys Новинка

Rapid solidification technology and lead free solder alloys

7204 руб.
The present book included three of the published papers, which have been chosen in CSA's Mechanical & Transportation Engineering Abstracts Database, America, 2005. Also, one of the published paper has the name of " New lead free solder alloy". Also one paper has been published in Key to metals,2012. In this book, we explained some basic concepts of metallic alloys, types and applications of metallic alloys. Furthermore we explained the types of solder alloys. In addition, illustration the importance of the rapid solidification technology that is used for producing alloys with improved properties.
Surface Technology of Aluminum and its alloys Surface Technology of Aluminum and its alloys Новинка

Surface Technology of Aluminum and its alloys

5576 руб.
The book "Surface technology of aluminum and its alloys" describing the surface treatment, anodization and coloring of aluminum and its alloys. Aluminum alloys have many kinds of composition and it mean has been difficult to find a certain preplating procedure that will be equally satisfactory for all types and tempers of aluminum alloys, since the various alloys and products exhibit different metallurgical structures and different electrochemical behavior. Every alloy elements have different characteristic and structure that can effect to the behavior when treat with electroplating on aluminum metal. This book will be helpful for the students and researchers whoever doing research in the field of electrodeposition, anodization and coloring of aluminum and its alloys.
Sintering of Aluminum Alloys: Microwave and Conventional Sintering of Aluminum Alloys: Microwave and Conventional Новинка

Sintering of Aluminum Alloys: Microwave and Conventional

7204 руб.
Most of the powder metallurgical research on particulate aluminum alloys has been focused on optimizing composition. However, the role of process parameters on sinterability of prealloyed powders still remains to be critically evaluated. First part of the study logically evaluates the effect of sintering atmosphere (nitrogen, argon and vacuum) and temperature on sintered density, electrical, electrochemical and mechanical properties of Al-Cu-Mg, Al-Mg-Si and Al-Zn-Mg alloys. The effect of heat treatment (T4, T6 and T8 tempers) on microstructure and properties was also investigated. In an attempt to make the process less energy intensive and control the grain growth at higher temperature, in second part of the study, higher heating rates were implemented using multimode microwave (2.45 GHz and 6kW) furnace. Microstructural changes and properties were compared between microwave and conventional heated compacts. This book should help to shed some knowledge on new processing technologies, interaction of microwave with conductive materials and especially useful to researchers, professionals and students working in the field of aluminum powder metallurgy and microwave processing.
Non Ferrous Alloys Non Ferrous Alloys Новинка

Non Ferrous Alloys

4631 руб.
Summary: Materials are the essential part of our daily life and civilizations have been known by the materials they introduced. As the science progressed, scientists used the different combinations of material to enhance their properties to cope with new challenges and requirements. Alloys are also the combination of different materials specifically of metals. In early ages Iron and their alloys were used in the manufacturing heavy machineries. Gradually elements of lighter weight replaced the ferrous material like Alloys of Mg and Al. The main focus of this book will be on Aluminum Alloys specifically on Aluminum Alloy 2024. Aluminium alloys called super alloys because of their preferable mechanical and chemical properties for wide range of applications and uses. 2024 aluminium alloy was fabricated by taking percentage weight composition of Al-Cu-Mg-Zn.Corrosion tests were performed in 0.1M NaCl, 1% aqua regia and 5% aqua regia, 1% Potassium Dichromate solution and weight change was recorded in different intervals of time. Corrosion rate was studied by using Atomic Absorption Spectroscopy and morphological studies was accomplished by using Optical Microscopy.

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Every year, over one million people in the U.S require bone graft procedures, particularly jaw bone replacement,and other 500,000 patients require dental implants worldwide. Most of these implants are made from titanium based alloy, or alloys made from cobalt and chromium. However, these materials fail due to inflammatory responses, and regular dental replacement surgeries are performed to replace these failed implants. To address this problem, dentists resorted to the use of the patients’ own bone. This requires removing one or more bones from the patient’s chin,ramus(the back part of the lower jaw) or more commonly, the ribs. This procedure subjects the patient to double surgical trauma and pain. As a result, there is a need to develop other methods and materials that would properly replace damaged bones around human maxillofacial, reducing the multiple and extended surgical procedures. Material that would properly augment the jaw bones must be highly biocompatible and similar in composition to the latter. The use of cowry shells(an exoskeleton),its extracts(chitosan)and composites(silica-chitosan) to design implants for this purpose was demonstrated clinically.
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