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Author:

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

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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5Cr Ni Mo。

Keyword:

气体保护电弧焊 热疲劳 热作模具

Author Community:

  • [ 1 ] 北京工业大学材料科学与工程学院
  • [ 2 ] 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

Year: 2016

Issue: 21

Volume: 45

Page: 224-226,232

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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