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http://hdl.handle.net/10261/171201
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dc.contributor.author | Cui, W. | - |
dc.contributor.author | San-Martín, David | - |
dc.contributor.author | Rivera-Díaz del Castillo, P.E.J. | - |
dc.date.accessioned | 2018-10-18T07:59:04Z | - |
dc.date.available | 2018-10-18T07:59:04Z | - |
dc.date.issued | 2017 | - |
dc.identifier | doi: 10.1016/j.matdes.2017.08.013 | - |
dc.identifier | issn: 1873-4197 | - |
dc.identifier.citation | Materials and Design 133: 464-475 (2017) | - |
dc.identifier.uri | http://hdl.handle.net/10261/171201 | - |
dc.description.abstract | The present work develops a numerical approach combining thermodynamic and kinetic simulations to investigate the austenitisation process on spheroidised bearing steel. The approach incorporates the dissolution of spheroidised cementite present prior to austenitisation and the influence of austenitisation temperature. It allows predictions including the chemical driving force of austenite formation, the evolution of phase constituents and their chemical compositions during austenitisation, as well as an assessment on the austenite stability upon quenching. The calculated results further allow to predict the hardness of the produced martensitic steels. The model predictions are validated against experimental data in two commercial bearing steels with six austenitisation processes. Good agreement between the experimental results and numerical predictions is obtained on the steel microstructure, austenite stability and material hardness. In addition, comparison of the two steels show that 100Cr6 requires to be austenitised at temperatures 10 °C higher than 100CrMnSi6-4, to achieve the same driving force for austenite formation, and 20 °C higher to achieve identical austenite stability upon quenching. The method can be adopted beyond bearing steels to design austenitisation processing schedules. | - |
dc.description.sponsorship | This research is supported by SKF Engineering & Research Centre and financed by SKF AB. Mr. Javier Vara from the Phase Transformations Laboratory in CENIM-CSIC is greatly acknowledged for the experimental support with high resolution dilatometry experiments. | - |
dc.publisher | Elsevier | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | closedAccess | - |
dc.subject | Austenite | - |
dc.subject | Microstructure design | - |
dc.subject | Steel with spheroidal cementite | - |
dc.subject | Austenitization | - |
dc.subject | Transformation kinetics | - |
dc.subject | Hardness | - |
dc.title | Towards efficient microstructural design and hardness prediction of bearing steels — An integrated experimental and numerical study | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.matdes.2017.08.013 | - |
dc.date.updated | 2018-10-18T07:59:04Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Svenska Kullagerfabriken | - |
dc.relation.csic | Sí | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
item.fulltext | No Fulltext | - |
Aparece en las colecciones: | (CENIM) Artículos |
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