1) hydrogen-induced thresholdstress
氢致开裂门槛应力
2) hydrogen-induced threshold stress
氢致滞后断裂门槛应力
3) stress oriented hydrogen induced cracking
应力导向型氢致开裂
1.
The chemical composition,mechanical properties,hardness and metallographic microstructure of the busted electric heater's shell have been analyzed,the result shows that bursting caused by stress oriented hydrogen induced cracking.
通过对加热器材料化学成分、力学性能、爆裂处的材料硬度及其金相组织和断口等分析,表明原料电加热器是由于材料氢损伤产生的应力导向型氢致开裂导致的破裂。
4) hydrogen cracking by stress
应力导向氢致开裂
5) Hydrogen diffusion on SSC
氢致应力腐蚀开裂
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：氢致开裂
分子式：
CAS号：
性质：由于氢原子进入金属导致的材料开裂。主要发生在化工、石油工业中接触硫化氢水溶液的碳钢和低合金钢设备、管道中。有不同表面形式，包括氢鼓泡和台附状破裂，有外加应力作用时裂纹也可能垂直于材料表面向内贯穿。
CAS号：
性质：由于氢原子进入金属导致的材料开裂。主要发生在化工、石油工业中接触硫化氢水溶液的碳钢和低合金钢设备、管道中。有不同表面形式，包括氢鼓泡和台附状破裂，有外加应力作用时裂纹也可能垂直于材料表面向内贯穿。
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