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Author:

王智慧 (王智慧.) | 贺定勇 (贺定勇.)

Indexed by:

CQVIP PKU CSCD

Abstract:

以H08A为焊芯,在Fe-Cr-C耐磨合金焊条药皮中加入NbC,对堆焊层组织及NbC对堆焊层硬度和耐磨性的影响进行了研究.结果表明,NbC增强Fe-Cr-C耐磨合金的宏观硬度和耐磨性都高于Fe-Cr-C合金,宏观硬度达到61.6 HRC,比Fe-Cr-C耐磨合金提高9.6%;相对耐磨性提高60%.NbC增强Fe-Cr-C耐磨合金中NbC硬质相断面呈不规则形状,分布于M7C3之间,或镶嵌在M7C3中,以菱形或多边形居多,NbC分布不均匀,有局部聚集的区域.与Fe-Cr-C耐磨合金的共晶碳化物比较,Fe-Cr-C-NbC合金的共晶碳化物要粗大,共晶碳化物的间距也较大.

Keyword:

金相组织 耐磨性 FeCrC堆焊合金 NbC

Author Community:

  • [ 1 ] [王智慧]北京工业大学
  • [ 2 ] [贺定勇]北京工业大学

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Source :

焊接学报

ISSN: 0253-360X

Year: 2007

Issue: 2

Volume: 28

Page: 55-58

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 54

Chinese Cited Count:

30 Days PV: 4

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