MICROSTRUCTURE OF LASER MELTED LAYER ON Cr12MoV STEEL

Acta Metall Sin

1991, Vol. 27

Issue (1): 72-74 DOI:

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MICROSTRUCTURE OF LASER MELTED LAYER ON Cr12MoV STEEL

LI Xiaodong;YIN Zhongda Harbin Institute of Technology

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LI Xiaodong;YIN Zhongda Harbin Institute of Technology. MICROSTRUCTURE OF LASER MELTED LAYER ON Cr12MoV STEEL. Acta Metall Sin, 1991, 27(1): 72-74.

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Abstract The microstructure of laser melted layer on Cr12MoV steel was re-vealed as austenitic dendrites under observation by TEM and X-ray diffractometer.The interdendritic eutectic carbides together with a little secondary carbides, but nomartensitic transformation were presented. Thus, the hardness of the steel is reducedafter laser melting treatment.

Key words: Cr12MoV steel laser melting microstructure

Received: 18 January 1991

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1991/V27/I1/72

1 尹钟大,李晓东,物理测试,1988;(3) : 8
2 Chen C H, Altstetter C J, Rigsbee J M. Metall Trans, 1984; 15A: 719
3 Andrews K W. J Iron Steel Inst, London. 1965; 203: 72

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