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Evaluation of Fretting Fatigue Life for Steam Generator Tubes in Nuclear Power Plants

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Abstract:

Studies on the strength and fatigue life of machines and structures have been conducted in accordance with the development of modern industries. In particular, fine and repetitive cyclic damage occurring in contact regions has been known to have an impact on fretting fatigue fractures. INCONEL alloy 600, 690 and INCOLOY alloy 800 are iron-nickel-chromium alloy having excellent resistance to many corrosive aqueous media and high-temperature atmospheres. These alloy are used extensively in the nuclear power plants industry, the chemical industry, the heat-treating industry and the electronic industry. In this paper, the effect of fretting damage on fatigue behavior for INCONEL alloy 600, 690 and INCOLOY alloy 800 were studied. Also, various kinds of mechanical tests such as tension and plain fatigue tests are performed. The objective of this study is to guarantee reliability of the facility applied in a power plant by comparing three materials in respect to fretting fatigue.

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Info:

Periodical:

Key Engineering Materials (Volumes 345-346)

Pages:

243-246

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.345-346.243

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Cite this paper

Online since:

August 2007

Authors:

Dae Kyu Park, Seung Wan Woo, Il Sup Chung, Young Suck Chai, Jae Do Kwon

Keywords:

Fatigue Life, Fretting Fatigue, Incoloy Alloy, Plain Fatigue

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