DepartmentofMechanicalEngineering;
NorthernJiaotongUniversity;
Beijing100044;
China;
DepartmentofMechanicalEngineering;
TsinghuaUniversity;
Beijing100084;
China;
DepartmentofMetalForming;
NortheastenUniversity;
Shenyang110004;
China;
AnshanAutomobileFittingsFactory;
Anshan114014;
China;