通过准连续介质方法模拟了纳米多晶体Ni中裂纹的扩展过程.模拟结果显示：裂纹尖端的应力场可以导致晶界分解、层错和变形孪晶的形成......

Ultrasonic nanocrystal surface modification (UNSM) treatment on non-equiatomic medium-and high-entropy alloy (HEA) of Fe......