The mechanism of nucleation of hydrogen blister in metals

REN XueChong; ZHOU QingJun; CHU WuYang; LI JinXu; SU YanJing; QIAO LiJie

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The mechanism of nucleation of hydrogen blister in metals

机译：金属中氢气泡的成核机理

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The nucleating, growing and cracking of hydrogen blister have been investigated experimentally andtheoretically. The results show that atomic hydrogen induces superabundant vacancies in metals. Thesuperabundant vacancies and hydrogen aggregate into a hydrogen-vacancy cluster (microcavity). Thehydrogen atoms in the microcavity become hydrogen molecules which can stabilize the cluster. Andthe hydrogen blister nucleates. With the entry of vacancies and hydrogen atoms, the blister nucleusgrows and the pressure in the cavity increases. When the stress induced by hydrogen pressure on theblister is up to the cohesive strength, cracks will initiate from the wall of the blister.

机译：已经通过实验和理论研究了氢气泡的成核，生长和破裂。结果表明，原子氢会诱导金属中的过量空位。过剩的空位和氢聚集成氢空位团簇（微腔）。微腔中的氢原子变成可稳定团簇的氢分子。然后氢起泡成核。随着空位和氢原子的进入，水泡核生长，并且腔中的压力增加。当由氢气压力在泡罩上引起的应力达到内聚强度时，将从泡罩壁开始产生裂纹。

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来源
《Chinese science bulletin》 |2007年第14期|共6页
作者
REN XueChong; ZHOU QingJun; CHU WuYang; LI JinXu; SU YanJing; QIAO LiJie;
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正文语种 eng
中图分类自然科学现状及发展;
关键词
hydrogen blister; vacancy cluster; nucleation; cracking;

机译：氢水泡;空位簇;成核;裂化;

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专利

1. A Nucleation Mechanism of Hydrogen Blister in Metals and Alloys [J] . X.C. Ren, Q.J. Zhou, G.B. Shan, Metallurgical and Materials Transactions A . 2008,第1期

机译：金属和合金中氢气泡的成核机理
2. The mechanism of nucleation of hydrogen blister in metals [J] . REN XueChong, ZHOU QingJun, CHU WuYang, Chinese science bulletin . 2007,第14期

机译：金属中氢气泡的成核机理
3. Nucleation mechanism of intra-granular blisters in tungsten exposed to hydrogen plasma [J] . Chen W. Q., Wang X. Y., Li K. L., Scripta materialia . 2020,第1期

机译：暴露于氢等离子体钨中粒状水疱的成核机理
4. Relation between initial texture and microstructure and nucleation and growth mechanisms in metals [C] . B. Bacroix, R. Brenner, K. Zhu, International Conference on Recrystallization and Grain Growth(ReX amp; GG III); 20070610-15; Jeju Island(KR) . 2007

机译：金属的初始织构与微观结构以及成核与生长机理之间的关系
5. Mechanisms of electron transfer and hydrogen activation in selected triruthenium clusters with multiple bridging ligands. Part I. The attenuation of radical reactivity in triruthenium trihydrido(alkylidyne) clusters. Electrochemistry and kinetics of decomposition of the 47-electron cluster radical, via a disproportionation path. Part II. The activation of molecular hydrogen at transition metal centers via kinetics and mechanism of reversible oxidative addition of hydrogen across the metal-metal bond of (mu-hydrogen)(2)Ruthenium(3)(Carbon monoxide)(8)(mu-phosphorus(t-BU)(2))(2). [D] . Bierdeman, David John. 2000

机译：具有多个桥联配体的选定三钌簇中电子转移和氢活化的机理。第一部分。三氢三钌（亚烷基）簇中自由基反应性的减弱。通过歧化路径分解47电子簇自由基的电化学和动力学。第二部分通过（mu-hydrogen）（2）钌（3）（一氧化碳）（8）（mu-phosphorus（）的金属-金属键上氢的可逆氧化加成反应的动力学和机理激活过渡金属中心的分子氢t-BU）（2））（2）。
6. The mechanism of deceleration of nucleation and crystal growth by the small addition of transition metals to lithium disilicate glasses [O] . Katrin Thieme, Isak Avramov, Christian Rüssel -1

机译：通过向二硅酸锂玻璃中少量添加过渡金属来减缓成核和晶体生长的机理
7. Gas bubble and blister nucleation in metals following low-energy ion irradiation [O] . Nicholson R.J.K. 1980

机译：低能离子辐照后金属中的气泡和水泡形核
8. Mechanisms of Hydrogen Related Fracture of Metals [R] . Birnbaum, H. K. 1989

机译：氢相关金属断裂机理

The mechanism of nucleation of hydrogen blister in metals

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