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AuthorZhang, Hua
AuthorHuang, Guangsheng
AuthorFan, Jianfeng
AuthorRoven, Hans Jørgen
AuthorXu, Bingshe Xu
AuthorDong, Hongbiao
Available date2016-01-14T13:24:26Z
Publication Date2014-12
Publication NameJournal of Alloys and Compounds
CitationZhang, H., Huang, G., Fan, J., Roven, H.Jo., Xu, B., Dong, H., "Deep drawability and drawing behaviour of AZ31 alloy sheets with different initial texture", (2014) Journal of Alloys and Compounds, 615, pp. 302-310
AbstractRepeated unidirectional bending (RUB) process was carried out to improve the texture of AZ31 alloy sheets. Compared to the as-received sheet with a strong basal texture, the RUB processed sheet with a weaker basal texture can be successfully drawn at a larger limiting drawing ratio (LDR) of 1.7. For both the drawn cups, the c-axis of some grains tends to rotate toward the transverse direction (TD) of the sheet in the inner regions of the shoulders due to the occurrence of extension twinning and the basal texture dramatically changes to the c-axis//TD texture in the walls and the edges. Compared with the drawn cup of the as-received sheet, the drawn cup of the RUB processed sheet maintains a weaker texture intensity in the shoulder, which results in a larger Schmid factor of basal slip and thus contributes to the sheet thinning. Further, for the drawn cup of the RUB processed sheet, a finer grain microstructure resulting from the twin dynamic recrystallization (TDRX) is observed in the edge. The TDRX plays an important role in the softening during plastic deformation and consequently favours the further deformation. The changed Schmid factor of basal slip is caused by the rotation of the c-axis of grains and the texture evolution.
SponsorScientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (2014115),Program for New Century Excellent Talents in University(NCET-12-1040), National Natural Science Foundation of China (50901048 and 51174143) and Fundamental Research Funds for the Central Universities(CDJZR13130081).
PublisherElsevier Ltd
SubjectDrawing behaviour
SubjectMagnesium alloys
SubjectSchmid factor
TitleDeep drawability and drawing behaviour of AZ31 alloy sheets with different initial texture
Volume Number615

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