1) threshold stress intensity factor
门槛应力强度因子
1.
In this paper, the nominal crack length was defined, and the variation of the threshold stress intensity factor in the transition zone was analysed in detail.
本文首先给出名义小裂纹尺寸的定义，并详细地分析过渡区域内门槛应力强度因子的变化。
2) stress intensity factor for slow crack growth
应力强度因子门槛值
1.
So in the basis of the theory of fracture mechanics,the stress intensity factor for slow crack growth,Kth and the crack growth rate are studied on the pre-cracked compact tensile sp.
为此，本课题基于断裂力学理论，研究了Ti55合金电子束焊缝(EBW)在不同原始氢浓度下裂纹扩展的应力强度因子门槛值K_(th)及裂纹扩展速率da／dt，为有效控制氢致延迟裂纹的产生和扩展奠定理论基础。
3) threshold effective stress intensity factor range
有效应力强度因子范围门槛值
1.
The threshold effective stress intensity factor range, △Keff.
不同载荷比下的有效应力强度因子范围门槛值△Keff。
4) threshold stress intensity
门槛应力强度
1.
The result shows that SCC or static fatigue fracture could occur in the three solutions, and the normalized threshold stress intensity factors of SCC are KISCC/KIC=0.
归一化应力腐蚀门槛应力强度因子分别为KISCC/KIC=0。
5) stress intensity factor/threshold
应力强度因子/门楹值
6) threshold stress
门槛应力
1.
During dynamically charging four kinds of C90 tubular steels with hydrogen,the concentration of divisible hydrogen c0 is directly proportional to cathodic current i, and thenormalized threshold stress σc.
四种高强度油并管钢动态充氢时，进入试样的可扩散氢含量c0和充氢电流i成正比；而氢致断裂门槛应力σc与名义屈服强度σt之比和Inc0成正比，即σc／σt=A-BInc0。
2.
The threshold stress decreased linearly with the logarithm of hydrogen concentration for the samples in constant load tests.
用电化学和恒载荷拉伸试验方法,测定了不同充氢电流下氢在X80管线钢中的扩散系数、试样中可扩散氢浓度以及管线钢氢致断裂门槛应力。
3.
Hydrogen permeation coefficient and diffusible hydrogen content in drill pipe steel S135 during cathodic charging with hydrogen were studied by an electrochemical method,and the hydrogen induced cracking(HIC) threshold stress of the steel was investigated using constant load tests.
通过电化学渗氢技术与恒载荷拉伸试验方法,研究了不同充氢电流密度下S135钻杆用钢的氢扩散系数、试样中的可扩散氢浓度及其氢致开裂门槛应力。
补充资料：应力强度因子
分子式：
CAS号：
性质：反映裂纹尖端附近区域应力场强度的物理量称为应力强度因子。它和裂纹大小、形状以及外应力有关。
CAS号：
性质：反映裂纹尖端附近区域应力场强度的物理量称为应力强度因子。它和裂纹大小、形状以及外应力有关。
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