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Author:

封江坤 (封江坤.) | 贺定勇 (贺定勇.) | 周正 (周正.) | 王国红 (王国红.)

Indexed by:

CQVIP PKU CSCD

Abstract:

研制了一种新型Fe-Cr-Mo-Ni-W热作模具气保护堆焊药芯焊丝.利用金相显微镜、高温箱式电阻炉等对其堆焊合金的显微组织结构、热稳定性、抗热疲劳性能进行了研究.结果表明:Fe-Cr-Mo-Ni-W堆焊合金显微组织由板条马氏体+残余奥氏体组成,焊态硬度47.8 HRC;550℃回火热处理过程中,随着热处理时间的延长,堆焊层硬度逐步降低并趋于平缓.研制的堆焊合金热稳定性优于国外同类焊材,抗热疲劳裂纹性能相近,并明显优于常用的热作模具钢5CrNiMo.

Keyword:

气体保护电弧焊 热作模具 热疲劳

Author Community:

  • [ 1 ] [封江坤]北京工业大学
  • [ 2 ] [贺定勇]北京工业大学
  • [ 3 ] [周正]北京工业大学
  • [ 4 ] [王国红]北京市生态环境材料及其评价工程技术研究中心

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Source :

热加工工艺

ISSN: 1001-3814

Year: 2016

Issue: 21

Volume: 45

Page: 224-226,232

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 2

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