2026-04-19T12:31:27Zhttps://ebiltegia.mondragon.edu/oai/request

oai:ebiltegia.mondragon.edu:20.500.11984/56082024-03-01T11:22:14Zcom_20.500.11984_1143col_20.500.11984_1148

00925njm 22002777a 4500 dc Madariaga, Aitor author Abedrabbo Hazbun, Anibal Faruk author Soriano Moreno, Denis author Alpizar Fernandez, Raul author ARRAZOLA, PEDRO JOSE author 2022 Transmission shafts used in the automotive sector must have a good tribological performance, and therefore an enhanced surface integrity. This paper aims to study the effect of eco-friendly innovative finishing operations (belt finishing, cryogenic grinding and dry grinding) on the surface integrity and tribological performance of steel grade 27MnCr5, and compare to the behavior of components produced by conventional wet grinding process. For that purpose, a total of seven finishing conditions were analysed: wet grinding as reference, two dry grinding conditions, two cryogenic grinding conditions and two hard turning+belt finishing conditions. The surface integrity (roughness, residual stresses, hardness and microstructural defects) of samples was assessed. Finally, the step-loading test method was used to determine the scuffing resistance of the samples. Tested innovative finishing operations led to higher scuffing resistance than conventional wet grinding. Results demonstrate that higher surface hardness and roughness leads to higher scuffing resistance, while the effect of surface residual stresses is not significant. 2212-8271 https://katalogoa.mondragon.edu/janium-bin/janium_login_opac.pl?find&ficha_no=167887 https://hdl.handle.net/20.500.11984/5608 belt finishing Grinding Cryogenic Surface Integrity Tribology Effect of innovative finishing operations on the tribological performance of steel 27MnCr5