4.7 Article

Role of twin fraction on the hardening stage in cryodeformed FCC materials

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2021.142454

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Stacking fault energy (SFE); Twin fraction; Work hardening; Cryodeformation

资金

  1. IMPRINT [DSIR-MHRD/PACE/TDD-IMPRINT/8144/2016-17]

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This study focuses on developing a constitutive model to establish the influence of twin fraction and cryodeformed microstructure on the work hardening behavior of cryodeformed materials with medium and low stacking fault energies.
Cryodeformation is a potential route to develop high-performance structural materials. The microstructure of cryodeformed material is very complex and varies with stacking fault energies (SFE). The present work focuses on developing a constitutive model for establishing the influence of twin fraction and cryodeformed microstructure on the work hardening behavior of cryodeformed materials with medium and low SFE. Transmission electron microscopy (TEM), X-ray diffraction, and tensile testing were used to support the experimental observations and mathematical model.

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