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Relevance of microstructure to stress corrosion cracking in aluminum-5% zinc and aluminum-5% copper alloys containing titanium

Bhat, MV and Vasu, KI (1983) Relevance of microstructure to stress corrosion cracking in aluminum-5% zinc and aluminum-5% copper alloys containing titanium. In: Praktische Metallographie/Practical Metallography, 20 (3). pp. 130-137.

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Abstract

The importance of microstructure on stress corrosion cracking was assessed from metallog. studies on fractured wire specimens of Al-5 Zn and Al-5% Cu in M NaCl. The addn. of 0.2% Ti to Al-Zn decreased the susceptibility to stress corrosion as a result of improved grain boundary pptn. The addn. of 0.3% Ti to Al-Cu increased the stress corrosion resistance because of general 2nd phase pptn. and chilling effect of Ti. Cold-worked alloys had superior resistance over that of the annealed or aged alloys because of break down of the annealed structure and random distribution of 2nd phase particles.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Carl Hanser Verlag.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 16 Jun 2008
Last Modified: 27 Aug 2008 13:28
URI: http://eprints.iisc.ernet.in/id/eprint/14416

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