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2020•Material Design & Processing CommunicationsOpen access

Fretting in medium‐speed reciprocating engines—Comments on practices and opportunities

Steffen Loen Sunde, Filippo Berto, Bjørn Olav Haugen

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Abstract

Fretting and fretting fatigue are important considerations to be made in the design and development of medium-speed reciprocating engines. Predictive capabilities for safe-life design often rely on very simple empirical parameters and experience. Practices are briefly reviewed, and opportunities for more sophisticated methodologies are highlighted. It is concluded that more research into fretting fatigue with complex load sequences are needed.

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What this paper is about

Fretting and fretting fatigue are important considerations to be made in the design and development of medium-speed reciprocating engines. Predictive capabilities for safe-life design often rely on very simple empirical parameters and experience. Practices are briefly reviewed, and opportunities for more sophisticated methodologies are highlighted. It is concluded that more research into fretting fatigue with complex load sequences are needed.

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Available abstract

Fretting and fretting fatigue are important considerations to be made in the design and development of medium-speed reciprocating engines. Predictive capabilities for safe-life design often rely on very simple empirical parameters and experience. Practices are briefly reviewed, and opportunities for more sophisticated methodologies are highlighted. It is concluded that more research into fretting fatigue with complex load sequences are needed.

Key concepts: Reciprocating motion, Fretting, Materials science, Automotive engineering, Mechanical engineering, Metallurgy, Engineering, Gas compressor

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