The hydrogen induced cracking ( HIC) of X70 pipeline steel was studied in H2SO4 solutions with different concentrations by means of electrochemical charging. 采用电化学充氢的方法研究了X70管线钢在不同浓度硫酸溶液中的氢致开裂(HIC)行为。
Detection of Hydrogen Induced Cracking for Steel Used in Pressure Vessel by Acoustic Emission Technique 压力容器用钢氢致开裂的声发射试验研究
High environment humidity increases the susceptibility to hydrogen induced cracking and stress corrosion cracking. 高湿度能增大氢致裂纹和应力腐蚀开裂倾向。
Acoustic Emission Analysis and Pattern Recognition on Hydrogen Induced Cracking of Mild Steel 低碳钢氢致开裂声发射信号分析与模式识别
Auditory neuropathy identification using evoked otoacoustic emission signals Acoustic Emission Analysis and Pattern Recognition on Hydrogen Induced Cracking of Mild Steel 用瞬态诱发耳声发射信号识别听神经病低碳钢氢致开裂声发射信号分析与模式识别
Mechanism of stress corrosion cracking and hydrogen induced cracking 应力腐蚀和氢致裂纹机构
Grain boundary segregation and hydrogen induced cracking during stress corrosion in lc_9 alloy Lc9铝含金晶界偏析与应力腐蚀的氢致断裂
The hydrogen induced cracking ( HIC) behavior of pipeline steels in H_2S+ NACE solution and in H_2S+ artificial seawater solution has been investigated. 对管线钢室温分别在H2S+NACE溶液和H2S+人工海水溶液中的氢致开裂进行了研究。
Besides, the hydrogen induced cracking hidden at the blue brittleness area had been also discovered. 除此,还发现隐藏在蓝脆区的氢诱发裂纹。
Hydrogen induced cracking in Fe-3% Si single crystals under mode ⅱ loading was investigated. 研究了Fe-3%Si单晶Ⅱ型试样在恒载荷动态充氢条件下的氢致开裂。结果表明:当拉伸轴为[001]和[(?)
Hydrogen Induced Cracking and Stress Corrosion Cracking of Austenitic Stainless Steel under Mode ⅲ Loading 不锈钢Ⅲ型试样的氢致开裂和应力腐蚀
Stress corrosion cracking and hydrogen induced cracking of ordered b_2-type fe_3al B2型Fe3Al金属间化合物的应力腐蚀和氢致开裂
And the existing problems such as burning through and hydrogen Induced Cracking ( HIC)), repairing methods, present research status of abroad and domestic, and welding methods and welding material are introduced. 介绍了在役焊接修复过程中存在的问题(烧穿和氢致裂纹),修复方法,国内外研究现状,焊接方法及焊接材料。
The standard test method for Hydrogen Induced Cracking ( HIC) guiding internal steels is introduced. In this paper, the performance of resistance of HIC caused by H 2S of pipeline steels is compared. 介绍了国内指导钢材进行抗氢致裂纹(HIC)性能试验的标准实验方法,通过HIC试验研究,首先比较了试验的管线钢抗H2S所引起氢致裂纹的性能;
Influence of grain size on strength and hydrogen induced cracking of duplex stainless steels 晶粒大小对双相不锈钢的强度和氢致开裂的影响
Crack initiation site and resistance of hydrogen induced cracking 氢致裂纹形成位置与氢致开裂抗力
The effects of plastic deformation on hydrogen induced cracking 塑性变形在氢致断裂中的作用
Hydrogen induced Cracking in Copper Containing Structural Steels 含铜结构钢的氢致开裂
Fractal study developments of hydrogen induced cracking 氢致裂纹扩展的分形研究进展
The most frequently encountered defects in the process of wet underwater welding are the gas hole of welding seam, poor formation of welding, high sensitivity of hydrogen induced cracking on welding seam and heat affected zone. 湿法水下焊接最常见的缺陷是:焊缝气孔、焊缝成形差、焊缝及热影响区氢致裂纹敏感性大。
The results of metallographical examination and fracture analysis of specimens by SEM showed that this material is very susceptible to hydrogen induced cracking, liable to produce transgranular and intergranular fractures and secondary cracks. 通过金相和扫描电镜对断口和组织进行分析的结果表明,本钢材对氢致裂纹非常敏感,易产生穿晶,沿晶断裂及二次裂纹。
Effect of Stress Strain conditions on Hydrogen Induced Cracking 应力应变条件对氢致开裂的影响
Mechanism of hydrogen induced cracking in steels 钢中氢致裂纹机构研究
Many investigations have focused on stress corrosion, hydrogen induced cracking and fatigue corrosion etc. However, it is hardly to find any report about corrosion resistance of microalloyed steel treated by magnetic treatment. 前人的研究成果主要集中在应力腐蚀、氢致裂纹腐蚀和疲劳腐蚀等方面,关于磁场处理后微合金结构钢抗腐蚀性能的研究未见报道。
Stress corrosion and hydrogen induced cracking behaviour in an Al alloy 铝合金的应力腐蚀和氢致裂纹研究
Evaluation of Internal Pipeline Steel Resistance to Hydrogen Induced Cracking 国内管线钢抗氢致裂纹性能的评定
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。
The Influence of the Hydrogen and Nitrogen Content in Weld Metal on the Hydrogen Induced Cracking Susceptibility 焊缝金属中氢、氮含量与氢裂敏感性的关系
When Hydrogen atoms diffuse into metals, which will destroy the original steady structure of metals, bring hydrogen induced cracking of metal equipment and even give rise to severe accident. 当氢在金属中扩散时,会破坏金属原来的稳定结构,严重时会带来金属设备的开裂,造成很大的危害。
Typically, high strength martensitic steels have a high susceptibility to hydrogen embrittlement, and hydrogen induced cracking is one of the main failure modes of high strength martensitic steels. 高强度马氏体钢通常具有较高的氢脆敏感性,氢致开裂是高强度马氏体钢的主要失效形式之一。