近年来,西安交通大学金属材料强度国家重点实验室在一系列国家自然科学基金项目的支持下,对微小尺度金属单晶材料中的孪晶变形行为及其对材料力学性能的影响进行了深入的研究,发现单晶体外观几何尺寸对孪晶变形行为有强烈影响,相应 In recent years, Xi’an Jiaotong University, State Key Laboratory of Metallic Materials Strength supported by a series of National Natural Science Foundation projects, the micro-scale deformation of twin metal alloys in the deformation behavior and mechanical properties of materials in-depth Study and found that the single crystal geometry of the twins have a strong impact on the deformation behavior, the corresponding