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Medientyp:
E-Artikel
Titel:
Effect of Mo on wear resistance of Stellite31 cladding layer
Beteiligte:
Lu, Xinjie;
Liu, Zongde;
Pan, Chaoyang;
Mao, Jie
Erschienen:
SAGE Publications, 2024
Erschienen in:
Surface Engineering, 40 (2024) 2, Seite 168-177
Sprache:
Englisch
DOI:
10.1177/02670844241231199
ISSN:
0267-0844;
1743-2944
Entstehung:
Anmerkungen:
Beschreibung:
Stellite alloys are a kind of cobalt-based alloys, which have excellent properties and are widely used in numerous areas. However, the wear resistance of Stellite alloys is poor at room temperature. In this study, Stellite31 cladding layers added with 0%, 1%, 2% and 3% of Mo(wt-%) were prepared by laser cladding. The grain sizes were measured by scanning electron microscope images, the distributions of Mo were analysed by energy dispersive X-ray spectrometry, the physical phase compositions were analysed by X-ray diffractometer, and the wear resistance was evaluated by reciprocating friction wear tester and wet sand wear testing machine. The results showed that the grain sizes of the cladding layers decreased with the increase of Mo content, the wear loss of the cladding layers became lower and the friction coefficient decreased under the same test conditions. It was concluded that increasing the Mo content could improve the wear resistance of the Stellite31 cladding layer at room temperature.