TY - GEN
T1 - The micromechanics of inelastic processes in superplastic materials
AU - Chandra, N.
N1 - Funding Information:
The paper draws heavily upon much of the research efforts performed by the author's group over the last decade and a half. Thanks to all of his past and present more than 25 graduate students and post-doctoral research associates. The author also acknowledges the financial support of NSF, NASA, US Army, US Air Force, Lawrence Livermore National Laboratory, Boeing, Pratt & Whitney, Alcoa and General Dynamics Corporation.
Publisher Copyright:
Copyright © 2000 by ASME
PY - 2000
Y1 - 2000
N2 - Supeiplasticity is an intriguing inelastic process in solid materials with deformation upto several thousand percent. Forming sheet and bulk materials using superplastic forming has become an established manufacturing method in aerospace and lately in other industries. Developing the right constitutive behavior is important not only for modeling the process for manufacturing by engineering mechanicians but for choosing the right composition and processing for material scientists. Such an ideal constitutive equation has been eluding the analysis so far. This paper examines some of the fundamental misgivings about the origin of inelastic process in superplasticity compared to other well known deformation processes. Also an attempt is made to understand the basic characteristics of superplastic inelastic deformation at macroscopic, mesoscopic and atomic levels.
AB - Supeiplasticity is an intriguing inelastic process in solid materials with deformation upto several thousand percent. Forming sheet and bulk materials using superplastic forming has become an established manufacturing method in aerospace and lately in other industries. Developing the right constitutive behavior is important not only for modeling the process for manufacturing by engineering mechanicians but for choosing the right composition and processing for material scientists. Such an ideal constitutive equation has been eluding the analysis so far. This paper examines some of the fundamental misgivings about the origin of inelastic process in superplasticity compared to other well known deformation processes. Also an attempt is made to understand the basic characteristics of superplastic inelastic deformation at macroscopic, mesoscopic and atomic levels.
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U2 - 10.1115/IMECE2000-1986
DO - 10.1115/IMECE2000-1986
M3 - Conference contribution
AN - SCOPUS:85119872277
T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
SP - 5
EP - 9
BT - Recent Advances in the Mechanics of Structured Continua
PB - American Society of Mechanical Engineers (ASME)
T2 - ASME 2000 International Mechanical Engineering Congress and Exposition, IMECE 2000
Y2 - 5 November 2000 through 10 November 2000
ER -