ALUMINUM PITTING CORROSION DAMAGE RULE UNDER SERVICE ENVIRONMENT

J Chin Soc Corr Pro

2010, Vol. 30

Issue (1): 93-96 DOI:

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ALUMINUM PITTING CORROSION DAMAGE RULE UNDER SERVICE ENVIRONMENT

ZHANG Danfeng¹; TAN Xiaoming¹; MA Li²; CHEN Yueliang¹

1. Naval Aeronautical Engineering Academy Qingdao Branch; Qingdao 266041
2. Missile Military Representatives of Naval Equipment Department Shenyang; Shenyang 110024

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Abstract

A retired navy aircraft had serviced for more than twenty years in a southeast coastal airport, where the environment is high temperature, high humidity and high salt fog. The aircraft was torn down and then inspected, and it was found that its corrosion damage was serious. The aluminum structure was partly disassembled, clean and nondestructive inspected. The corrosion damage size, shape parameter and distribution characteristic were gained. Based on distribution parameter obtained through statistics analysis, a probabilistic model to predict corrosion damage growth under service environment was established, with considering of the randomness during corrosion process of aircraft structure. The results show that the theoretical model is very precise.

Key words: aluminum pitting corrosion aging aircraft statistical rule

Received: 13 November 2008

ZTFLH:

V250.2

Corresponding Authors: TAN Xiaoming E-mail: txm1111@sina.com

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Cite this article:

ZHANG Danfeng; TAN Xiaoming; MA Li; CHEN Yueliang. ALUMINUM PITTING CORROSION DAMAGE RULE UNDER SERVICE ENVIRONMENT. J Chin Soc Corr Pro, 2010, 30(1): 93-96.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2010/V30/I1/93

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