Sökning: WFRF:(Mallipeddi Dinesh 1987) >
Micropitting and mi...
Micropitting and microstructural evolution during gear testing -from initial cycles to failure
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- Mallipeddi, Dinesh, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Norell, Mats, 1961 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Naidu, V. M.Subbaramaiah (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Zhang, X. (författare)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Näslund, M. (författare)
- Scania CV AB
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- Nyborg, Lars, 1958 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Tribology International. - : Elsevier BV. - 0301-679X. ; 156
- Relaterad länk:
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
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- To elucidate the micropitting mechanism, ground gears were tested using FZG test rig and the evolution of surface characteristics were followed closely from the initial 200 cycles to failure. Micropitting phenomenon was divided into three stages; running-in, steady progression and degradation. Micropitting was mainly associated with plastic deformation of asperities, which induced localized deformation bands and plastically deformed regions that were associated with cracks. Build-up of residual stresses occurred during running-in and this was correlated to the transformation of retained austenite. No further evolution occurred during steady progression stage and then the stresses decreased during degradation stage. Phosphorus content in the gear surface increased during steady progression stage and remained similar during degradation stage but with increased layer thickness.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
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- art (ämneskategori)
- ref (ämneskategori)
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