MICROSTRUCTURE OF LASER HARDENED Cr12 STEEL

Chin J Mater Res

1990, Vol. 4

Issue (6): 469-473 DOI:

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MICROSTRUCTURE OF LASER HARDENED Cr12 STEEL

ZHU Jie;LIU Jiajun;CHEN Nanping(Tsinghua University)

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ZHU Jie;LIU Jiajun;CHEN Nanping(Tsinghua University). MICROSTRUCTURE OF LASER HARDENED Cr12 STEEL. Chin J Mater Res, 1990, 4(6): 469-473.

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Abstract Laser hardening can increase the hardness of Cr12 steel up to about1100HV and fine its microstructure.It is mainly due to the improvement of dissolution ofcarbides and homogenity of elements diffusion,by which the composition of austenite,po-sition of Ms

Key words: laser transformation hardening retained austenite microstructure

Received: 25 December 1990

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y1990/V4/I6/469

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