EFFECT OF AGEING ON STRESS CORROSION CRACKING BEHAVIOR OF SiCw/2024Al COMPOSITE

J Chin Soc Corr Pro

2003, Vol. 23

Issue (6): 359-361 DOI:

Research Report

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EFFECT OF AGEING ON STRESS CORROSION CRACKING BEHAVIOR OF SiCw/2024Al COMPOSITE

Jin Hu;Haikuan Kong;Lixin Xv

哈尔滨工业大学材料科学与工程学

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Abstract 〖WT5HZ〗Abstract：〖WT5BZ〗The stress corrosion cracking behavior of SiCw/2024 Al composite was studied by double cantilever beam test in 3.5%NaCl solution.Tra nsmission electron microscopy observation was carried out on the sample to exa mine the microstructure of SiCw/2024Al composite after ageing treatment.The crac k propagation lengths were measured by optical microscopy.The crack propagation characteristics of stress corrosion were examined by scanning electron microscop y.The results indicated that the microstructures of the aged composite were diff erent,which led to the change of stress corrosion cracking behavior of ageing co mposite.The morphologies of crack tips were also different.The stress corrosion cracking sensibility of SiCw/2024Al composite was the biggest at under ageing st ate.

Key words: ageing composite stress corrosion cracking

Received: 26 April 2002

ZTFLH:

TG151

Corresponding Authors: Jin Hu

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Jin Hu; Haikuan Kong; Lixin Xv. EFFECT OF AGEING ON STRESS CORROSION CRACKING BEHAVIOR OF SiCw/2024Al COMPOSITE. J Chin Soc Corr Pro, 2003, 23(6): 359-361 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2003/V23/I6/359

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