The Simulation and Role of Discontinuous Yield Behaviors of Material

Abstract:

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Discontinuous yield of material as Jerky flow was explained. Then, the strain rate sensitivity (SRS) and instability criterion was given out. Some tests were carried out at constant stress rate, so Jerky flow is manifested as a discontinuity in the stress-strain curves in form of strain bursts. Finally, the dynamic behaviors of specimens during instability of thermal origin were simulated with COLSYS software, whose results are good with test ones.

Info:

Periodical:

Advanced Materials Research (Volumes 163-167)

Edited by:

Lijuan Li

Pages:

4590-4594

DOI:

10.4028/www.scientific.net/AMR.163-167.4590

Citation:

S. W. Hu "The Simulation and Role of Discontinuous Yield Behaviors of Material", Advanced Materials Research, Vols. 163-167, pp. 4590-4594, 2011

Online since:

December 2010

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$35.00

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