State;
Key;
Laboratory;
of;
Nonliear;
Mechanics,;
Institute;
of;
Mechanics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100190;
State;
Key;
Laboratory;
of;
Explosion;
Science;
and;
Technology,;
Beijing;
Institute;
of;
Technology,;
Beijing;
100080;
The;
School;
of;
Civil;
and;
Environmental;
Engineering,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083;
分子动力学; 行为模拟; 纳米压痕; 纳米镍; 点缺陷; 纳米尺度; 晶体取向; 局部区域;