Overview

This second edition updates and expands on the class-tested first edition text, augmenting discussion of dynamic strain aging and austenitic stainless steels and adding a section on analysis of nickel-base superalloys that shows how the mechanical threshold stress (MTS) model, an internal state variable constitutive formulation, can be used to de-convolute synergistic effects. The new edition retains a clear and rigorous presentation of the theory, mechanistic basis, and application of the MTS model. Students are introduced to critical competencies such as crystal structure, dislocations, thermodynamics of slip, dislocation–obstacle interactions, deformation kinetics, and hardening through dislocation accumulation. The model described in this volume facilitates readers’ understanding of integrated computational materials engineering (ICME), presenting context for the transition between length scales characterizing the mesoscale (mechanistic) and the macroscopic. Presenting readers a model buttressed by detailed examples and applications, the textbook is ideal for students, practitioners, and materials researchers.

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9783031045554

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Dr. Follansbee is a materials scientist and engineer with 35 years combined experience at Los Alamos National Laboratory, Howmet Castings, General Electric Corporate Research and Development, and Pratt and Whitney Aircraft. He earned a PhD in Materials Science and Engineering from Carnegie Mellon University in 1981. He has a strong interest in high temperature materials and materials processing and has published extensively in the area of low temperature and high strain rate deformation behavior. He proposed and developed an internal state variable constitutive model – termed the Mechanical Threshold Stress Model – and applied it to Cu, Ni, Ti-6Al-4V and several other metals. For the past 20 years he has served at various levels of technology management and leadership, including positions as Vice President of Technology for Howmet Castings and Division Leader of the Materials Science and Technology Division at Los Alamos. He joined Saint Vincent College in 2008 as the James F. Will Professor of Engineering Sciences where he taught courses related to general physics, materials, mathematics, and energy technologies and proposed and developed a four-year undergraduate degree program in Engineering Science. He now serves as Professor Emeritus at this institution.

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