CORROSION FAILURE MODE ANALYSIS OF INTERGRANULAR ATTACK AND HYDROGEN BRITTLENESS BASED ON FAILURE RULES

J Chin Soc Corr Pro

2011, Vol. 31

Issue (4): 260-264 DOI:

Research Articles

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CORROSION FAILURE MODE ANALYSIS OF INTERGRANULAR ATTACK AND HYDROGEN BRITTLENESS BASED ON FAILURE RULES

RAO Sixian^1,2, WAN Zhang^1,2, SONG Guangxiong³,ZHANG Zheng³, ZHONG Qunpeng³

1. Department of Mechanical Engineering, Anhui University of Technology, Ma'an'shan 243001
2. Hefei General Machinery Research Institute, Hefei 230031
3. School of Material Science and Engineering, Beihang University, Beijing 100083

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Abstract Corrosion failure features of intergranular attack and hydrogen brittleness were generalized through analysis and sum-up on corrosion failure cases of pressure vessels and pipelines and the existing failure information. COM Wizard, data base technique, and reliability engineering were applied to construct an effective corrosion failure diagnosis expert system. Corrosion failure modes of real cases were analyzed in the expert system through the corrosion failure features input and the results were listed by general certainty as the evaluation parameter.

Key words: intergranular attack hydrogen brittleness failure feature expert system failure mode analysis

Received: 21 June 2010

ZTFLH:

TG174

Corresponding Authors: RAO Sixian E-mail: raosixian@ahut.edu.cn

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RAO Sixian, WAN Zhang, SONG Guangxiong,ZHANG Zheng, ZHONG Qunpeng. CORROSION FAILURE MODE ANALYSIS OF INTERGRANULAR ATTACK AND HYDROGEN BRITTLENESS BASED ON FAILURE RULES. J Chin Soc Corr Pro, 2011, 31(4): 260-264.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2011/V31/I4/260

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