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논문 기본 정보

자료유형
학술저널
저자정보
Guangang Wang (Chongqing University) Guangsheng Huang (Chongqing University) Ke Liu (Chongqing University) Junlei Zhang (Chongqing University) Bin Jiang (Chongqing University) Aitao Tang (Chongqing University) Fusheng Pan (Chongqing University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.11
발행연도
2021.11
수록면
4,322 - 4,332 (11page)
DOI
10.1007/s12540-020-00649-1

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초록· 키워드

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The uniaxial tensile test and Erichsen test are performed on the different deformation behavior under different stress states. The materials used in this paper had obvious anisotropy in the rolling plane because of the bimodal textures along the transversedirection. However, the Mg alloy with the weakest texture distribution did not get the better plasticity and formability,which was related to the enhanced grain boundary cohesion by more Zn addition. The rate of dislocations storage was independentof load direction for a given Mg alloy, even if Mg alloy has large in-plane anisotropy at lower stress levels. Therewas something different from the work hardening behavior in stage III between the ZXE0500 alloy and ZXE1500 alloy inthree load directions because of the dynamic recovery. Tension twin is easier to be activated on ZXE1500 alloy rather thanZXE0500 alloy. Because the crack edge of samples used for the Erichsen test went through non-equal biaxial tensile stress,and the strain in the radial direction was much larger than that of the circumferential direction, so the texture evolution wassimilar to the uniaxial tensile stress.

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