Wear resistance of a bearing steel processed by laser surface remelting cooled by water

The wear resistance of a bearing steel was investigated using laser surface remelting cooled by water. The weight loss was reduced by over 50% with an overall hardness of ∼1150 HV. An ultrafine microstructure along with nanocarbide was acquired, which generated an accumulative contribution of grain...

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Bibliographic Details
Published in:Scripta materialia 2010-10, Vol.63 (8), p.839-842
Main Authors: Lin, Peng-yu, Zhu, Yong-fu, Zhou, Hong, Wang, Cheng-tao, Ren, Lu-quan
Format: Article
Language:English
Subjects:
Hardness
Nanostructured materials
Steels
Wear
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Summary:The wear resistance of a bearing steel was investigated using laser surface remelting cooled by water. The weight loss was reduced by over 50% with an overall hardness of ∼1150 HV. An ultrafine microstructure along with nanocarbide was acquired, which generated an accumulative contribution of grain refinement, precipitation strengthening, dislocation strengthening and a mixed microstructure.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2010.06.030