Microstructure Evolution and Wear Resistance of Boron-Bearing High Speed Steel Roll

• Autorzy: Cheng Xiaole , Hou Jianqiang , Fu Hanguang

Identyfikatory

DOI

10.24425/amm.2022.137479

• Języki publikacji: EN

Abstrakty

EN

The microstructure evolution of boron-bearing high speed steel roll materials after casting and tempering was investigated. The results indicate that as-cast boron-bearing high speed steel consists of martensitic matrix, retained austenite and different borocarbides. The as-cast alloy has a hardness above 64 HRC, and the borocarbides distribute along the grain boundaries. After RE-Mg-Ti compound modification treatment, obvious necking and broken network appear in the grain boundaries. The hardness of boron-bearing high speed steel roll materials reduces gradually with the increase of tempering temperature. Under the same conditions, the toughness of the modified roll material is higher than that of the unmodified roll material. Wear tests show that the wear resistance of boron-bearing high-speed steel modified by RE-Mg-Ti compound modification treatment is better.

Słowa kluczowe

EN

boron-bearing high speed steel rolls; microstructure evolution; modification treatment; wear resistance

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 1
• Strony: 113--119
• Opis fizyczny: Bibliogr. 14 poz., fot., rys., tab.

Twórcy

autor

Cheng Xiaole

• School of Mechanical and Electrical Engineering, Xi’an Polytechnic University, Xi’an 710048, Shaanxi province, P. R. China

autor

Hou Jianqiang

• MCC Jingcheng Engineering Technology Co., Ltd., Beijing 100176, P. R. China

autor

Fu Hanguang

• School of Mechanical and Electrical Engineering, Xi’an Polytechnic University, Xi’an 710048, Shaanxi province, P. R. China

Bibliografia

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Uwagi

1. The authors would like to thank the financial support for this work from Natural Science Foundation of Shaanxi Province under grant (2018JM5096).

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).