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Extensive research on the structure and properties of cast aluminum and magnesium alloys ha% been applied to foundry practice. The term 'premium quality' is used to describe castings with reliably high mechanical properties and high integrity of the product, guaranteed by the foundry. In production, conventional equipment and manufacturing techniques may be used, but rigid control of metal purity, alloy composition, melt quality, solidification conditions and heat treatment is essential to achieve and maintain high reliability of properties in designated areas of the casting, which are graded according to design and service considerations. Examples of the excellent properties that have been obtained in aluminum and magnesium alloy castings are listed.
Investigation of the effect of casting and crystallization on the structure and properties of the resulting light alloys and, in particular, research connected with detailed analysis of the microstructure of light alloys obtained using various external influences of ultrasonic, vibration, magnetic, and mechanical processing on the casting and crystallization are discussed. Research on the study of introduction of additives (modifiers, reinforcers, including nanosized ones, etc.) into the melt during the crystallization process, the technological properties of casting (fluidity, segregation, shrinkage, etc.), the structure and physicomechanical properties of light alloys are also included.
Premium-quality castings are those which are guaranteed to show a specified high level of mechanical properties. The properties currently being achieved represent significant improvements over those which can be achieved in conventional aluminum-alloy castings and approach the properties currently obtainable in wrought aluminum alloys. These property advances are largely the result of improved casting technique and design. These castings are gradually finding acceptance and usage in aerospace applications, thanks to integrated efforts between the casting producers and their customers. (Author).
Direct-chill casting is the major production route for wrought aluminium and magnesium alloys that are later deformed (rolled, extruded, forged) to the final products. To aid in this process, this book provides comprehensive coverage on topics such as the history of process development in this field, industrial applications, including vertical and horizontal casting, melt preparation, fundamentals of solidification in DC casting, and more. The first book targeted for the industrial researcher and practitioner, it pulls together the practice and process of physics with the goal of improving process performance.
J. G. (Gil) Kaufman is currently president of his consulting company, Kaufman Associates.
Aluminium is an important metal in manufacturing, due to its versatile properties and the many applications of both the processed metal and its alloys in different industries. Fundamentals of aluminium metallurgy provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries.Part one discusses different methods of producing and casting aluminium, covering areas such as casting of alloys, quality issues and specific production methods such as high-pressure diecasting. The metallurgical properties of aluminium and its alloys are reviewed in Part two, with chapters on such topics as hardening, precipitation processes and solute partitioning and clustering, as well as properties such as fracture resistance. Finally, Part three includes chapters on joining, laser sintering and other methods of processing aluminium, and its applications in particular areas of industry such as aerospace.With its distinguished editor and team of expert contributors, Fundamentals of aluminium metallurgy is a standard reference for researchers in metallurgy, as well as all those involved in the manufacture and use of aluminium products. - Provides a comprehensive overview of the production, properties and processing of aluminium, and its applications in manufacturing industries - Considers many issues of central importance in aluminium production and utilization considering quality issues and design for fatigue growth resistance - Metallurgical properties of aluminium and its alloys are further explored with particular reference to work hardening and applications of industrial alloys
The 2014 collection will include papers from the following symposia: Alumina and Bauxite Aluminum Alloys: Fabrication, Characterization and Applications Aluminum Processing Aluminum Reduction Technology Cast Shop for Aluminum Production Electrode Technology for Aluminum Production Light-metal Matrix (Nano)-composites
This report describes the characteristics and properties of existing commercial magnesium alloys and compares these relative to each other. Although this report is not intended to serve as a source of design data for magnesium alloys, it was written to provide a simple, up-to-date background of information for the technologist who is faced with the problem of materials selection and who is unfamiliar with the advantages and discaadvantages of magnesium alloys. The eight major alloying elements which are used to control the properties of magnesium are listed along with selected data illustrating the binary phase relationships which exist, between the hexagonal, close-packed structure of magnesium and each of these metals. The nomenclature system for commercial magnesium alloys is explained and compositions and available forms of the alloys are given. Property comparisons of both cast and wrought alloys are presented. There is a section in the report dealing with the joining, forming, and machining of magnesium, and a section devoted to a discussion of a number of finishing systems which have been developed for magnesium alloys. (Author).