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Thermomechanical deformation in the presence of metallurgical changesNonisothermal testing that can be used as a basis of a nonisothermal representation is discussed. Related tests regarding metallurgical changes that occur in other high temperature structural alloys are discussed. A viscoplastic constitutive model capable of qualitatively representing the behavioral features was formulated. This model is used to assess the differences in ultimate life prediction in some typical nonisothermal structural problems when the constitutive model does or does not account for metallurgically induced thermomechanical history dependence.
Document ID
19850023220
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Robinson, D. N. (Akron Univ. Akron, OH, United States)
Date Acquired
August 12, 2013
Publication Date
June 1, 1985
Publication Information
Publication: NASA. Lewis Research Center Nonlinear Constitutive Relations for High Temp. Appl., 1984
Subject Category
Structural Mechanics
Accession Number
85N31533
Funding Number(s)
CONTRACT_GRANT: NAG3-379
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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