1) Crack initiation
启裂区
2) crack start
启裂
1.
The critical J integral and the maximal principal stress under joint intensity theory was used as the criteria of crack starting of con-rod,the stress,plastic strain and displacement field were analyzed,and the distribution of crack starting points were displa.
对连杆准静态裂解进行了数值模拟分析,对裂纹区网格划分、接触与约束处理、无应力投影功能与自适应加载步长等关键技术进行了探讨;运用临界J积分和最大主应力准则作为连杆启裂的判据,分析了启裂时连杆应力场、塑性场及位移场,给出启裂点的分布状况。
3) crack initiation position
启裂位置
1.
With which,it could be concluded that: corresponding with different train hardening rate and complex ratio,fracture form and mechanism could be changed;the position of maximum of stress triaxiality in blunted zone and maximum of shear stress in sharpened zone could be crack initiation position;the direction of maximum tensil.
应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。
4) Crack initiation point
启裂点
1.
The method to detect the crack initiation point of Charpy pre-cracked specimenunder dynamic loading was studied using strain gauge.
本文研究了用应变片测定Charpy裂纹试样动态断裂启裂点的方法,在不同的试验温度下,用双通道高速采样磁盘存储示波器同时测定了冲击试样的P—t曲线和裂纹尖端区域的名义ε—t曲线,结合动态有限元对Charpy裂纹试样冲击过程的模拟结果,分析了动态断裂韧性的测定方法,并指出了以往动态断裂韧性测定中存在的问题。
5) plastic intial crack
韧性启裂
6) Initiation life
启裂寿命
参考词条
补充资料：刺启
1.书姓名于奏白之上而启陈其事。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。