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Author:

张元彬 (张元彬.) | 史耀武 (史耀武.)

Indexed by:

CQVIP PKU CSCD

Abstract:

利用X射线衍射、TEM、EPMA、SEM等研究了含Nb堆焊金属中的碳化物分布形态及基体组织,分析了碳化物形成过程.结果表明,Nb的加入有利于形成大量碳化物硬质相,但Nb含量过多时,会形成铁素体基体及大量共晶碳化物,导致堆焊金属硬度过低;适量Ti、Nb、V共同作用时,能获得大量均匀分布的颗粒碳化物及马氏体或贝氏体基体,颗粒碳化物是以氧化物为核心的复合碳化物,内层Ti含量高于Nb,外层Nb含量高于Ti.

Keyword:

碳化物 堆焊

Author Community:

  • [ 1 ] [张元彬]北京工业大学
  • [ 2 ] [史耀武]北京工业大学

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Source :

材料导报

ISSN: 1005-023X

Year: 2006

Issue: z1

Volume: 20

Page: 408-409,412

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 17

Chinese Cited Count:

30 Days PV: 9

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