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Abstract:
研制一种焊接工艺性能良好的高铬铸铁型自保护金属芯堆焊焊丝,堆焊层硬度大于60HRC,耐磨性为Q235钢的21倍.对其自保护机理进行了研究,当粉芯中金属Mn含量达到5%时,可保证焊缝表面不出现气孔,当钛铁含量超过10%时,焊缝表面出现压坑.堆焊层显微组织为马氏体+残余奥氏体,在马氏体基体上均匀分布着M7C3型耐磨硬质相.
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焊接学报
ISSN: 0253-360X
Year: 2006
Issue: 1
Volume: 27
Page: 69-71
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 19
Chinese Cited Count:
30 Days PV: 4
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