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An Extended Iterative Identification Method for the GISSMO Model

1,2 and 1,2,*
1
State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing 400044, China
2
School of Automobile Engineering, Chongqing University, Chongqing 400044, China
*
Author to whom correspondence should be addressed.
Metals 2019, 9(5), 568; https://doi.org/10.3390/met9050568
Received: 22 April 2019 / Revised: 8 May 2019 / Accepted: 13 May 2019 / Published: 15 May 2019
(This article belongs to the Special Issue Failure Mechanisms in Alloys)
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Abstract

This study examines an extended method to obtain the parameters in the Generalized Incremental Stress State Dependent Damage (GISSMO) model. This method is based on an iterative Finite Element Method (FEM) method aiming at predicting the fracture behavior considering softening and failure. A large number of experimental tests have been conducted on four different alloys (7003 aluminum alloy, ADC12 aluminum alloy, ZK60 magnesium alloy and 20CrMnTiH Steel), here considering tests that span a wide range of stress triaxiality. The proposed method is compared with the two existing methods. Results show that the new extended Iterative FEM method gives the good estimate of the fracture behaviors for all four alloys considered. View Full-Text
Keywords: fracture; iterative FEM Method; GISSMO Model; softening fracture; iterative FEM Method; GISSMO Model; softening
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Xiao, Y.; Hu, Y. An Extended Iterative Identification Method for the GISSMO Model. Metals 2019, 9, 568.

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