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Author:

子澍 (子澍.)

Indexed by:

CQVIP PKU CSCD

Abstract:

高铬白口铸铁的共晶显微组织与普通白口铸铁的共晶组织不同,其中不连续的条块状共晶铁、铬碳化物M7C3占25%左右,与富铬的二次碳化物位于金属基体奥氏体或其转变产物中,而后者的M3C碳化物能占到48%,可看作渗硫体基体或海锦状渗碳体,里面镶嵌奥氏体转变产物,所以共晶型高铬白口铸铁的韧性比普通共晶型白口铸铁好,共晶组织中碳化物的短小空间对共晶奥氏体基体起到良好的保护作用,在高应力磨料磨损条件下,过共晶高铬白口铸铁中的大块状初生M7C3碳化物能很好地抵抗磨粒对抗磨件施加的法向压力和切向剪切力,不易断裂,故而抗磨性能较好.

Keyword:

碳当量 抗磨性能 高铬白口铸铁

Author Community:

  • [ 1 ] [子澍]北京工业大学

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Source :

铸造

ISSN: 1001-4977

Year: 2005

Issue: 8

Volume: 54

Page: 741-744

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 32

Chinese Cited Count:

30 Days PV: 12

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