1) strain relief parameter
应变释放系数
1.
Strain relief parameters A and B for welding residual stress of Steel SM400ZL measured by the blind-hole method are verified by test,applying multi-group strain relief parameters for calculation.
为提高炉体焊接残余应力测试精度,对传统的盲孔法进行改进,即在测点打孔后多次扩孔并增加孔深;通过对SM400ZL钢焊接残余应力测试时的应变释放系数A,B进行实验标定,得出多组应变释放系数值,计算可得残余应力的估算值,并对不同状况下的残余应力值进行比较。
2) stress releasing coefficient
应力释放系数
1.
According to the calculational result,some conclusions can be drawn as follows: the larger of the stress releasing coefficient has become,the area and the grade of rockburst would increase.
通过计算分析可知,随着应力释放系数的逐渐加大,岩爆发生的区域及等级不断增加。
4) relaxed strain
释放应变
1.
Based on the modified computational model for the hole-drilling method to measure residual stresses,a new formula,considering the work-hardening layer,was developed to estimate the residual stress distribution by the relaxed strain.
在修正的钻孔法测量残余应力的计算模型的基础上,推导了考虑硬化层时由释放应变表示的残余应力计算公式。
5) Release coefficient
释放系数
1.
The numerical calculating method of elastic release coefficients in blind hole is mainly researched in this paper, besides, the utility of each method is discussed.
本文主要研究了盲孔法测量残余应力时在弹性阶段释放系数的数值计算方法,并讨论了不同方法的实用性。
6) strain energy release
应变能释放
1.
The mechanism of minig tremor in Puqing Iron Mine of Daye is investigated by means of 3D FEM numerical analysis,RMR rock classification,and examination of sudden strain energy release caused by mining explosion operations.
以湖北省大冶市灵乡普庆铁矿矿震灾害为例,通过三维有限元数值分析和RMR岩体分类评分以及采场爆破诱发应变能释放成因分析,研究了矿震发生的机理,并利用RMR-σθ/cσ岩体破坏类型分类方法分析了矿震发生所具备的必要条件。
补充资料:应变能释放速率
分子式:
CAS号:
性质:在线性弹性断裂力学中,把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹,通常用G1表示,当G1达某一临界值G1C时,材料断裂。
CAS号:
性质:在线性弹性断裂力学中,把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹,通常用G1表示,当G1达某一临界值G1C时,材料断裂。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条