NDLI: Viscoplastic Constitutive Equation for Computer Simulation of Hot Working Processing

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Moriwaki, Ichiro Nakamura, Morimasa Morimoto, Kei Iizuka, Takashi Saito, Kenji
Copyright Year	2008
Abstract	The newly developed viscoplastic mechanical model based upon the viscoplastic model of the Chaboche type is proposed. The points of proposition are (i). Dimensional ambiguity existing in the Chaboche type’s equation is extinguished. (ii) Dependence of yield stress on strain rate is made clear and installed into the model. Its validity is verified by simulating the torsional test data on the steel performed by C. Rossard and P. Blain at elevated temperature using the proposed model. Furthermore, the six viscoplastic material parameters contained in the model are identified by the simulation involving coefficient of viscosity.
Sponsorship	International
Starting Page	253
Ending Page	258
Page Count	6
File Format	PDF
ISBN	9780791848364
DOI	10.1115/ESDA2008-59152
e-ISBN	0791838277
Volume Number	Volume 2: Automotive Systems; Bioengineering and Biomedical Technology; Computational Mechanics; Controls; Dynamical Systems
Conference Proceedings	ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2008-07-07
Publisher Place	Haifa, Israel
Access Restriction	Subscribed
Subject Keyword	Hot torsion test Viscoplastic material parameters Simulation New viscoplastic model Coefficient of viscosity Viscosity Temperature Computer simulation Steel Torsion Yield stress Ambiguity
Content Type	Text
Resource Type	Article

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