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Characterization of...
Characterization of yield surface evolution due to large plastic shear strains in pearlitic rail steel
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- Meyer, Knut Andreas, 1990 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ahlström, Johan, 1969 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ekh, Magnus, 1969 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018
- 2018
- English.
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In: Proceedings - 11th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems. - 2590-0609. - 9789461869630 ; 2018, s. 745-752
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Abstract
Subject headings
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- In order to analyze the material state in the rail surface layer during service, R260 rail steel has been subjected to large shear strains. The evolution of the yield surface at different amounts of predeformation, corresponding to different depths in the railhead, has been characterized. As expected, it is found that the size of the yield surface and the degree of anisotropy increase with the amount of predeformation. However, the major changes occur already after the first of six predeformation cycles, indicating that the yield surface is anisotropic several millimeters into the railhead.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Transportteknik och logistik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Transport Systems and Logistics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Rail running band
- Pearlitic rail steel
- Large shear strains
- Anisotropic yield surface
Publication and Content Type
- kon (subject category)
- ref (subject category)
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