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  5. Effect of welding heat input on HAZ character in ultra-fine grain steel welding

Effect of welding heat input on HAZ character in ultra-fine grain steel welding

来源 :China Welding | 被引量 : 0次 | 上传用户：buerzui
【摘 要】
：
In this essay, we studied how heat input affected the microstructure, hardness, grain size and heat-affected zone(HAZ) dimension of WCX355 ultra-fine grain stee
【作 者】
：
张富巨 许卫刚 王玉涛 王燕 张学刚 廖永平 
【机 构】
：
CollegeofPower&,MechanicalEngineering,WuhanSteelGroupCompanyTechniqueCenter,HarbinWeldingInstitut
【出 处】
：
China Welding
【发表日期】
：
2003年2期
【关键词】
：
焊接接头 金属离子 受热影响 保护气体 焊接方法 热侵法 heat input  heat-affected zone  ultra-fine grain st 
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论文部分内容阅读
In this essay, we studied how heat input affected the microstructure, hardness, grain size and heat-affected zone(HAZ) dimension of WCX355 ultra-fine grain steel which was welded respectively by the ultra narrow-gap welding (UNGW) process and the overlayi
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