| BEHAVIOUR AND MECHANISM OF STRESS CORROSION CRACKING FOR Al-Li-Cu-Mg ALLOY |
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| 作者姓名： | WANG Zhengfu ZHU Ziyong KE Wei Corrosion Science Laboratory Institute of Corrosion and Protection of Metals Academia Sinica Shenyang ChinaZHANG Yun HU Zhuangqi Institute of Metal Research Academia Sinica Shenyang China |
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| 作者单位： | WANG Zhengfu ZHU Ziyong KE Wei Corrosion Science Laboratory，Institute of Corrosion and Protection of Metals，Academia Sinica，Shenyang，ChinaZHANG Yun HU Zhuangqi Institute of Metal Research，Academia Sinica，Shenyang，China |
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| 摘 要： | Studies were made of the influence of aging conditions and applied potentials on thestress corrosion carcking(SCC)susceptibility for an Al-Li-Cu-Mg alloy by slow strainrate technique.The relationship between the relative hydrogen content on specimensurface,the applied potentials and elapsed time has also been examined.The SCCsusceptibility was found to be dependent on aging conditions in which the peak agedcondition gave the worst SCC resistance and the natural aged condition had the best one.The SCC susceptibility and surface hydrogen content relates to the applied potentials.The anodic potentials increase SCC susceptibility,while the cathodic ones below thecritical potential accelerate SCC.It is considered that both the anodic dissolution and
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| 收稿时间： | 1992-11-11 |
| 修稿时间： | 1992-11-11 |
BEHAVIOUR AND MECHANISM OF STRESS CORROSION CRACKING FOR Al-Li-Cu-Mg ALLOY |
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| WANG Zhengfu ZHU Ziyong KE Wei Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,ChinaZHANG Yun HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China.BEHAVIOUR AND MECHANISM OF STRESS CORROSION CRACKING FOR Al-Li-Cu-Mg ALLOY[J].Acta Metallurgica Sinica(English Letters),1992,5(11):391-395. |
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| Authors: | WANG Zhengfu ZHU Ziyong KE Wei Corrosion Science Laboratory |
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| Affiliation: | WANG Zhengfu ZHU Ziyong KE Wei Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,ChinaZHANG Yun HU Zhuangqi Institute of Metal Research,Academia Sinica,Shenyang,China |
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| Abstract: | Studies were made of the influence of aging conditions and applied potentials on the stress corrosion carcking(SCC)susceptibility for an Al-Li-Cu-Mg alloy by slow strain rate technique.The relationship between the relative hydrogen content on specimen surface,the applied potentials and elapsed time has also been examined.The SCC susceptibility was found to be dependent on aging conditions in which the peak aged condition gave the worst SCC resistance and the natural aged condition had the best one. The SCC susceptibility and surface hydrogen content relates to the applied potentials. The anodic potentials increase SCC susceptibility,while the cathodic ones below the critical potential accelerate SCC.It is considered that both the anodic dissolution and |
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| Keywords: | Al-Li alloy stress corrosion cracking anodic dissolution hydrogen embrittlement |
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