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Integrating stress enhanced recovery into a work hardening model

S. Bhaumik, V. Mohles, G. Gottstein

Proceedings of the 12th International Conference on Aluminium Alloys, Yokohama, Japan, -, 1159-1164, (2010)

DOI: -

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This study reports on the development of a dislocation based model and its application to recovery. The model calculates the flow stress and dislocation density evolution during annealing. In order to validate the model, the recovery behavior of a commercial aluminum alloy was investigated by means of three alternative experimental methods: stress relaxation (SR), double tension tests with load (DTL) and unloaded (DTU). The experimental results revealed that external stresses have a significant impact on the recovery processes. Accordingly, external stresses are considered in the model, which enables to distinguish between stress-free and stress-enhanced recovery. In the current contribution, a respective dislocation based model is introduced.

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{"type":"inproceedings", "name":"s.bhaumik20109", "author":"S. Bhaumik and V. Mohles and G. Gottstein", "title":"Integrating stress enhanced recovery into a work hardening model", "journal":"Proceedings of the 12th International Conference on Aluminium Alloys, Yokohama, Japan", "volume":"-", "OPTnumber":"", "OPTmonth":"9", "year":"2010", "OPTpages":"1159-1164", "OPTnote":"", "OPTkey":"Recovery; Stress relaxation test; Double tension test; Modeling", "DOI":"-"}
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