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Viscoplastic response of structures for intense local heatingA thermoviscoplastic finite element method employing the Bodner-Partom constitutive model is used to investigate the response of simplified thermal-structural models to intense local heating. With rapid rises of temperature, the nickel alloy structures display initially higher yield stresses due to strain rate effects. As temperatures approach elevated values, yield stress and stiffness degrade rapidly and pronounced plastic deformation occurs.
Document ID
19910047349
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Thornton, Earl A. (Virginia Univ. Charlottesville, VA, United States)
Kolenski, J. D. (Virginia, University Charlottesville, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1991
Subject Category
Structural Mechanics
Report/Patent Number
AIAA PAPER 91-1149
Report Number: AIAA PAPER 91-1149
Meeting Information
Meeting: AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
Location: Baltimore, MD
Country: United States
Start Date: April 8, 1991
End Date: April 10, 1991
Accession Number
91A31972
Distribution Limits
Public
Copyright
Other

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