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A Study of The Fatigue, Impact and fracture-Toughness Characteristics of Electroslag Refined IS-7670 Alloy

Sampath, V and Dwarakadasa, ES (1993) A Study of The Fatigue, Impact and fracture-Toughness Characteristics of Electroslag Refined IS-7670 Alloy. In: Canadian Metallurgical Quarterly, 32 (1). pp. 57-67.

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Official URL: http://maney.co.uk/index.php/journals/cmq/

Abstract

The nuclear, aerospace, naval and missile industries place emphasis on materials with high structural integrity and reliable performance so as to meet certain stringent requirements in service. Strength is not the only criterion for selection. Properties such as fatigue resistance. impact toughness and fracture toughness are equally important. Electroslag refining (ESR) has been used widely and successfully over the years for improving the fatigue resistance, creep resistance, impact strength and fracture toughness of steels and alloy steels. But application of ESR to aluminium alloys is only a recent endeavour. A high-strength aircraft aluminium alloy IS: 7670 was therefore chosen for studies on the fatigue strength and the impact and fracture toughness. The results indicate that the fatigue resistance is considerably improved after refining and that the impact strength and fracture toughness of the refined alloy are comparable with that of the unrefined alloy.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Canadian Institute of Mining, Metallurgy and Petroleum.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 02 Feb 2011 10:07
Last Modified: 02 Feb 2011 10:07
URI: http://eprints.iisc.ernet.in/id/eprint/35335

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