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机械工程学报：英文版 |
| SURFACING ELECTRODE WITH CRACKING RESISTANCE AND WEARABILITY机械工程学报：英文版论文 |
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【题名】：SURFACING ELECTRODE WITH CRACKING RESISTANCE AND WEARABILITY机械工程学报：英文版论文(SURFACING ELECTRODE WITH CRACKING RESISTANCE AND WEARABILITYJiXieGongChengXueBao：YingWenBanLunWen)
【关键词】：表面焊接 耐磨损性 碳化物 断裂阻抗
【keywords】：BiaoMianHanJie NaiMoSunXing TanHuaWu DuanLieZuKang
【作者】：YangShanglei,LuXueqin,LouSongnian,ZouZengda, 【来源】： 知识词典
【期刊名称】：机械工程学报：英文版(JiXieGongChengXueBao：YingWenBan)
【国际标准刊号】：1000-9345 【国内统一刊号】：11-2737
【作者单位】：[1]InstituteofWelding,ShanghaiJiaotongUniversity,Shanghai200030,China [2]SchoolofMaterialScienceandEngineering,ShandongUniversity,Jinan250061,China([1]InstituteofWelding,ShanghaiJiaotongUniversity,Shanghai200030,China [2]SchoolofMaterialScienceandEngineering,ShandongUniversity,Jinan250061,China)
【分类号】：TG405 【页码】：-68-70 【出版年】：2005.1
【下载地址】：下载pdf全文
A new surfacing electrode is developed with cracking resistance and wearability based on high microhardness of TiC and VC, carbides of Ti and V are formed in deposited metal by means of high temperature arc metallurgic reaction. The results show the hardness of surfacing metal increases with the increase of ferrotitanium (Fe-Ti), ferrovanadium (Fe-V) and graphite in the coat. However,when graphite reaches the volume fraction of 11%, the hardness reaches its peak value, and when beyond 11%, the hardness falls off. As Fe-Ti, Fe-V and graphite increase, the cracking resistance of deposited metal and usability of electrode declines. Carbides are dispersedly distributed in the matrix structure. The matrix microstructure of deposited metal is lath martensite. Carbides present irregular block. When using the researched surfacing electrode to continue weld with non-preheated, no seeable crack or only a few micro-cracks can be observed in the surface of deposited metal. The hardness is above 60 HRC. The wear resistance is better than that of EDZCr-C-15.
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