Effect of pre-strain on springback behavior after bending in AA 6016-T4: Experiments and crystal plasticity modeling

Dane Sargeant, Md Zahidul Sarkar,Rishabh Sharma,Marko Knezevic,David T. Fullwood,Michael P. Miles

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES（2023）

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摘要

•Modeling of springback in AA 6016-T4 improved with GND-calibrated backstress law.•Model with backstress allowed for predicting transition from springforward to springback.•Backstress effect was increasingly influential for greater levels of pre-strain.

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关键词

Aluminum alloys,Backstress fields,Springback,Springforward,Strain path changes

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