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5. Mechanical properties and grain refinement by acicular ferrite in high strength high toughness weld

Mechanical properties and grain refinement by acicular ferrite in high strength high toughness weld

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

【摘 要】

：

The volume fraction and morphology of acicular ferrite evolution in a high strength high toughness weld metal were studied and the mechanical properties of weld

【作 者】

：

雷玄威 王红鸿 吴开明 于磊 

【机 构】

：

InternationalResearchInstituteforSteelTechnology

【出 处】

：

China Welding

【发表日期】

：

2016年1期

【关键词】

：

针状铁素体 焊缝金属 晶粒细化 力学性能 高韧性 高强度 快速冷却 低温韧性 acicular ferrite  high toughness  weld me 

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论文部分内容阅读

The volume fraction and morphology of acicular ferrite evolution in a high strength high toughness weld metal were studied and the mechanical properties of weld metal under heat input of 21 kJ/cm with and without fast cooling were tested.The results show

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