Evaluation of residual stresses induced by ultra-high-speed drilling in aluminium alloys

Nobre, João P.; Guimarães, Ruben; Batista, António Castanhola; Marques, Maria José; Coelho, Luís Manuel de Jesus; Nau, Andreas; Scholtes, Berthold

http://hdl.handle.net/10400.8/1274

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Authors

Nobre, João P.

Guimarães, Ruben

Batista, António Castanhola

Marques, Maria José

Coelho, Luís Manuel de Jesus

Nau, Andreas

Scholtes, Berthold

Abstract(s)

Rolling contact fatigue twin-disc tests were performed on rail/wheel steels from Spanish high velocity trains (AVE). Residual stress profiles were determined using X-ray diffraction before and after cyclic loading. The evolution of residual stress profiles, due to cyclic loading, was analysed in order to study how they affect the rolling contact fatigue behaviour of these materials. This study is included in a major project where other related phenomena and materials’ properties have been studied.

Keywords

Rolling contact fatigue Railway steels Residual stresses X-ray diffraction

URI

http://hdl.handle.net/10400.8/1274

Citation

Nobre, João P.; Guimarães, Ruben; Batista, António Castanhola; Marques, Maria José; Coelho, Luís; Nau, Andreas; Scholtes, Berthold. Evaluation of Residual Stresses Induced by Ultra-High-Speed Drilling in Aluminium Alloys, Materials Science Forum, 768-769, 128-135, 2014.