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Title: Reverse engineering of a hot ring compression test using FEM
Authors: Pathak, K K
Kotwal, C P
Narayan, S P
Ramakrishnan, N
Issue Date: Jun-2004
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.7 G12B 3/06
Abstract: This study is related to reverse engineering solution of friction and yield stress in a hot ring compression test using finite element method (FEM). Ring material is steel and test temperature is 800°C. Load deflection curve and the deformed geometry, obtained from the test, are considered as the benchmark parameters for the reverse engineering. The numerical experimentation has been carried out in an iterative manner. The values of friction are varied to find the final geometry matching with the actual deformed shape. Having established the friction, yields stress is varied to match the tonnage employed in the test. It is observed that FEM can be very helpful in such kind of reverse engineering problems.
Page(s): 189-192
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.11(3) [June 2004]

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