| SCC MECHANISM OF STAINLESS STEEL AISI 321 IN ACIDIC CHLORIDE SOLUTION |
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| 作者姓名： | HUANG Yanliang CAO Chu'nan LIN Haichao LU Ming Corrosion Science Laboratory Institute of Corrosion and Protection of Metals Academia Sinica Shenyang China Ph D student Institute of Corrosion and Protection of Metals Academia Sinica Shenyang China |
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| 作者单位： | HUANG Yanliang CAO Chu'nan LIN Haichao LU Ming Corrosion Science Laboratory，Institute of Corrosion and Protection of Metals，Academia Sinica，Shenyang，China Ph D student，Institute of Corrosion and Protection of Metals，Academia Sinica，Shenyang 110015，China |
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| 摘 要： | It is verified that stainless steel AISI 321 is in the active anodic dissolution state in 0.5mol/L HCll+0.5 mol/L NaCl solution at 55℃.The SCC of the steel in the solution cannot be reasonably explained by passive film rupture-nepasivation theory and by hydrogenembrittlement theory.There are evidences that the fracture stress at the tip of the cracksis reduced by anodic dissolution due to its role in relieving strain hardening layer at cracktip.
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| 收稿时间： | 1993-12-11 |
| 修稿时间： | 1993-12-11 |
SCC MECHANISM OF STAINLESS STEEL AISI 321 IN ACIDIC CHLORIDE SOLUTION |
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| HUANG Yanliang CAO Chu''''nan LIN Haichao LU Ming Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China Ph D student,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang ,China.SCC MECHANISM OF STAINLESS STEEL AISI 321 IN ACIDIC CHLORIDE SOLUTION[J].Acta Metallurgica Sinica(English Letters),1993,6(12):416-420. |
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| Authors: | HUANG Yanliang CAO Chu'nan LIN Haichao LU Ming Corrosion Science Laboratory |
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| Affiliation: | HUANG Yanliang CAO Chu'nan LIN Haichao LU Ming Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China Ph D student,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang,China |
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| Abstract: | It is verified that stainless steel AISI 321 is in the active anodic dissolution state in 0.5 mol/L HCll+0.5 mol/L NaCl solution at 55℃.The SCC of the steel in the solution can not be reasonably explained by passive film rupture-nepasivation theory and by hydrogen embrittlement theory.There are evidences that the fracture stress at the tip of the cracks is reduced by anodic dissolution due to its role in relieving strain hardening layer at crack tip. |
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| Keywords: | stress corrosion cracking stainless steel anodic dissolution |
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