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This electronic publication explains the metallurgy of steel and its heat treatment for non-metallurgists. It starts from simple concepts and builds to more complex concepts involved in heat treatment of most all types of steel as well as cast iron. Contents cover: Pure Iron, Solutions and Phase Diagrams, Steel and the Fe-C Phase Diagram, Various Microstructures of Room Temperature Steel, Mechanical Properties, Low Alloy AISI Steels, Diffusion, Control of Grain Size by Heat Treatment and Forging, Hardenability of Steel, Tempering, Quenching, Stainless Steels, Tool Steels, Solidification, Cast Irons, Surface Hardening and more.

Increased demand for gears to transmit more power through smaller, lighter, quieter, and more reliable packages that must operate over a wide range of service conditions, has made the design and manufacture of gears much more complex. Gears manufactured from certain steels are found to meet these demands, and become especially effective when heat treated and finish machined for high geometric accuracy. However, distortion of the gear after heat treatment offers the gear engineer a challenging opportunity not only in ensuring a high quality product but also in controlling manufacturing costs. Heat Treatment of Gears is designed to provide the gear design engineer with a better understanding of heat treatment and its effects on gear quality and performance, especially as these considerations are critical to ensuring that the gears perform satisfactorily under anticipated service conditions.

This book provides property and performance data for all types of aluminum alloy castings and reviews and describes the factors that contribute to and affect those properties, including composition, microstructure, casting process, heat treatment, and quality assurance. The electronic publication features extensive collections of property and performance data, including previously unpublished aging response curves, growth curves, and fatigue curves, presented in consistent formats to enable easy comparisons among different alloys and tempers. The authors have endeavored to address all of the casting process technologies available for aluminum alloys. Engineering information is included for expendable mold, permanent mold, and pressure die casting processes and their variations. The focus of the process coverage is to review the effects of process selection and process variables on casting properties and performance.