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5. Effect of W/Cu composite filler metals on the microstructure and mechanical properties of laser weld

Effect of W/Cu composite filler metals on the microstructure and mechanical properties of laser weld

来源 :China Welding | 被引量 : 0次 | 上传用户：nineoneone911

【摘 要】

：

Cracking in a laser weld of niobium to stainless steel occurred due to the formation of brittle,continuously distributed Nb-Fe intermetallic compounds.A crack-f

【作 者】

：

石铭霄 赵健 陈书锦 胡庆贤 王威林 

【机 构】

：

SchoolofMaterialsScienceandEngineering,choolofMaterialsEngineering,EngineeringTechnologyResearchInst

【出 处】

：

China Welding

【发表日期】

：

2016年4期

【关键词】

：

304不锈钢 接头组织 复合钎料 激光焊接 钨铜 铌铁 力学性能 裂纹敏感性 laser welding  pure niobium  304 stainles 

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论文部分内容阅读

Cracking in a laser weld of niobium to stainless steel occurred due to the formation of brittle,continuously distributed Nb-Fe intermetallic compounds.A crack-free joint,which had a tensile strength of 147 MPa,was obtained by using the W/Cu composite fill

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