1) hydrogen attack
氢蚀
1.
Influence of Heat Treatment on Hydrogen Attack Resistance of Steel 0.14C-1.25Cr-0.5Mo;
热处理对0.14C-1.25Cr-0.5Mo钢的抗氢蚀能力的影响
2.
Cr-Mo steel exposed to hydrogen gas at 400℃, 20MPa for 105 h were checked for making tensile test, fracture and fatigue test in order to investigate the effect of hydrogen attack on mechanical properties of Cr-Mo steel.
结果表明:Cr-Mo钢已经发生了氢腐蚀,氢蚀使Cr-Mo钢强度、塑性和断裂韧性均有所降低,也使断裂机制由韧窝型转变为解理脆性。
3.
The specimens of 304 austenite stainless steel with the hydrogen attacked bubbles or cracks were heat treated under 600℃ for 6 h.
SEM观察表明,氢蚀气泡和裂纹发生了完全愈合。
2) hydrogen corrosion
氢蚀
1.
The mechanisms of hydrogen corrosion in high-temperature and high-pressure service in ammonia plant and coal liquification u-nit and impact factors are presented.
介绍了合成氨装置及煤液化气化装置高温高压环境下的氢蚀机理及影响因素,钢中加入稳定碳化物的Cr,Mo,W,V,Nb等元素可延缓氢蚀趋势;焊后淬火加回火可提高抗氢蚀能力;冷加工使钢的抗氢蚀能力减弱,而应力和高压氢的共同作用不但影响钢的持久强度,而且影响其耐蚀性。
2.
By the analysis of the morphology, distribution and formation of weld cracks developed on hydrogen pipes, it is found that these cracks are mainly caused by weld capillary cracks and hydrogen corrosion.
经分析氢气管线的焊接裂纹的形态、分布、形成过程确定了产生裂纹的主要原因是焊接微裂纹和氢蚀。
3) hydrogen attack
氢脆;氢蚀
4) hydrogen corrosion
氢腐蚀
1.
After twenty two years of operation,the high temperature shift reactor has generated serious failure caused by hydrogen corrosion This paper analyses the reason of the hydrogen corrosion of the high temperature shift reactor Measures such as hydrogen diffusing and adding inner insulating layer were taken which have extended the service life of this equipment effectivel
高温变换炉在使用 2 2年后产生了很严重的氢腐蚀鼓包缺陷。
2.
The analysis of macroforms, chemical compositions, metallographic structure and mechanisms performance as well as x-ray and electronic scanner examination have found that the rupture of the steam injection pipe was caused by hydrogen corrosion.
通过宏观形貌、化学成分、金相组织、力学性能、X射线衍射、扫描电镜观察等分析手段判断出热采注汽管线的最终破裂原因是氢腐蚀造成。
3.
The associated thermal dynamics and dynamics research system were given and the development of hydrogen corrosion testing techniques and research on the hydrogen corrosion was discussed.
综述了高温高压氢腐蚀的工业背景与研究发展历史,对高温高压氢腐蚀的评定方法和实验方法进行了概括,给出了高温高压氢腐蚀的热力学和动力学研究体系,讨论了氢蚀检测技术和有关焊接部位氢蚀研究的进展。
5) hydrogen attack
氢腐蚀
1.
The experiment is aimed at obtaining the result of Crack healing of hydrogen attack (HA) in carbon steel.
对含氢腐蚀裂纹的碳钢进行再热处理后,SEM观察表明,氢蚀裂纹发生了不同程度 的愈合。
2.
Five back - propagation artificial neural networks were constructed to recognize certain relationships in hydrogen attack to predict the time to incubate fissur-ing of 0.
利用神经网络的分析方法,对高温氢腐蚀进行分析建模,综合考虑温度、氢分压和氢腐蚀孕育期之间的关系,为准确的数学建模、预测设备的使用寿命和相应专家系统的研制开拓了新的思路。
6) hydrogen evolution corrosion
析氢腐蚀
补充资料:氢蚀
hydrogenattack:氢蚀也是氢脆的一种表现形式。它出现在石油高压加氢和液化石油气的设备中。其作用机理是在300~500℃范围内,由于高压氢与钢内的碳发生化学反应在晶界上产生高压甲烷(CH4)而使材料脆化。
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