Parameter Evaluation of the Chaboche Model with Kinematic Recovery Term for a Nickel-Based Superalloy

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Abstract:

The Chaboche unified model with kinematic recovery term was used to describe the cyclic plasticity and viscoplasticity of a new nickel-based superlloy. The model response sensitivities to the change of each parameter of this Chaboche model under either stress control or strain control are calculated and analysed. Influential parameters were identified. This has facilitated the design of an efficient test matrix and the development of a gradient-driven non-linear optimisation algorithm.

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565-569

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January 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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