1) hydrogen-chromics
氢致变色
2) hydrogen-induced cracking
氢致开裂
1.
The threshold stress intensity of hydrogen-induced cracking during dynamical charging for 40CrMo steel decreased linearly with the logarithm of the concentration of diffusible hydrogen, C0, i.
动态充氢时氢致开裂（ＨＩＣ）门槛应力强度因子ＫＩＨ随试样中可扩散氢浓度Ｃ０（１０－６）的对数而线性下降，即ＫＩＨ＝３１。
2.
Various mechanisms of hydrogen-induced cracking and stress corrosion cracking have been reviewed.
本文对各种氢致开裂和应力腐蚀机理进行了评述。
3.
The KIH and da/dt of hydrogen-induced cracking in hydrogen gas at 400℃, however, could be measured.
对了Ti_3Al+Nb金属间化合物,用预裂纹试样研究原子氢引起的氢致开裂。
3) hydrogen induced cracking
氢致开裂
1.
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。
2.
The electrolytic hydrogen charging with constant current and X - ray diffraction were used to investigate the hydrogen content threshold of the hydrogen induced cracking for Til023 titanium alloy EBM joints and the effect of the microstructure phase on sensitivity of hydrogen induced cracking.
采用恒载电解充氢的方法和X射线衍射分析方法,研究了Ti1023电子束焊接接头引起氢致开裂氢含量门槛值以及Ti1023合金基体与焊缝中由于相成分的不同造成对氢致开裂的敏感性的差异;同时通过扫描电镜分析了不同充氢状态下试件的断口特征。
3.
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H2 S +NACE溶液和H2 S +人工海水溶液中的氢致开裂进行了研究。
4) HIC
氢致开裂
1.
Results show that the cavities were caused by hydrogen-induced cracking (HIC) during cold rolling before last treatment.
经对带有空洞的B7M20螺杆样品的宏观和微观检查和分析,结果表明螺杆心部的空洞为氢致开裂(HIC)所致。
5) HIC
氢致裂纹
1.
Resistance to HIC of High Grade Pipeline Steels;
高强度管线钢的抗氢致裂纹性能
2.
Through the corrosion dent pile weld test on line pipe,hardness and distance from weld fine crystal position to sample back is applied to predict HIC and arc burn.
通过对管线钢管腐蚀坑堆焊工艺试验,采用测量焊缝金相细晶区位置到试样背面的距离和硬度值,来预测是否有烧穿和氢致裂纹产生,从而选择合理的管道腐蚀坑堆焊工艺参数,并对管道腐蚀坑焊接补板的焊缝距离提出了技术要求。
6) Hydrogen induced cracking
氢致裂纹
1.
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 。
2.
Based on the theory of hydrogen enhanced local plasticity of the hydrogen induced cracking,the paper presents a fractal model of hydrogen induced cracking,and sets up a relation among the effective surface energy Γ(H) ,fractal dimension D and stress intensity factor of hydrogen induced cracking K IH under hydrogen environment.
基于氢致裂纹扩展的氢增塑性理论 ,提出一种氢致裂纹扩展的分形模型 ,并根据分形几何理论 ,建立了金属在氢环境下广义有效表面能Γ(H)与分形维数D以及氢致裂纹扩展应力强度因子KIH的关系 ,从而得到D与KISCC的关系 ,并进行实验验证 ,表明方法的正确
3.
The unqualified causes of the hot rolled plate of Q235,16MnR are analysed by low times test,metallographic examination,electron microscope scanning in inspection,the results show that the inclusion of MnS can cause hydrogen aggregation and lead to hydrogen induced cracking formation,and carbon segregation in plate center can cause bainite structure and lead to inspection unqualified.
结果表明:MnS夹杂引起聚集氢,导致氢致裂纹的产生,以及碳在板材心部的偏析,钢板中心出现了贝氏体组织,使探伤不合格。
参考词条
补充资料：变色
分子式：
CAS号：
性质： 经一定的处理后，在纱、线或织物上的颜色在色光、深度或艳度方向所出现的综合性变化。
CAS号：
性质： 经一定的处理后，在纱、线或织物上的颜色在色光、深度或艳度方向所出现的综合性变化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。