Magnesium alloy's creep stress exponent and creep mechanism at the room temperature were analyzed by TEM. Relationship among strain,stress and creep time was studied. The creep rate of some mechanisms were calcula...Magnesium alloy's creep stress exponent and creep mechanism at the room temperature were analyzed by TEM. Relationship among strain,stress and creep time was studied. The creep rate of some mechanisms were calculated. The results show that the dislocation mechanism is possible. The deformation mechanism is dislocation slipping on basal plane,and twinning improves creep deformation.展开更多
基金financial support from the Changsha University Talent Introduction Project (50800-92808)the Changsha Science and Technology Project (K1705055)support of the Advanced Characterization Facility in Waurn Ponds Campus of Deakin University, Geelong, Victoria, Australia
基金Project(5133002E) supported by the National Fundamental Research
文摘Magnesium alloy's creep stress exponent and creep mechanism at the room temperature were analyzed by TEM. Relationship among strain,stress and creep time was studied. The creep rate of some mechanisms were calculated. The results show that the dislocation mechanism is possible. The deformation mechanism is dislocation slipping on basal plane,and twinning improves creep deformation.
基金Changsha University Talent Introduction Project (50800-92808)Excellent Youth Project of Hunan Provincial Department of Education (18B418,19B055, 19C0156, 19A118)Natural Science Foundation of Hunan Province of China (2020JJ4645)。