Metal treatment – Process of modifying or maintaining internal physical... – Surface melting
Patent
1993-11-15
1997-07-15
Ip, Sikyin
Metal treatment
Process of modifying or maintaining internal physical...
Surface melting
148516, 148524, 148525, C21D 500
Patent
active
056479204
ABSTRACT:
Disclosed is a process for the preparation of an alloy having excellent corrosion resistance and wear resistance, which comprises subjecting a powdery mixture comprising a powder of at least one matrix metal selected from the group consisting of Fe-based alloys, Co-based alloys and Ni-based alloys and a vanadium carbide powder to a heat treatment, wherein by repeating fusion and re-fusion by a heat treatment using a heat source having a high energy density, a phase of uniform and fine vanadium carbide particles is recrystallized and/or redeposited in the matrix metal phase.
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patent: 3869319 (1975-03-01), Ishihara et al.
patent: 4155759 (1979-05-01), Brown
patent: 4398966 (1983-08-01), Kelly et al.
Sasaki Kyoichi
Shimada Masaki
Ip Sikyin
Toshiba Kikai Kabushiki Kaisha
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