高韧性含铜微合金化气体保护焊焊丝的研制
Development of a High Toughness Microalloyed Welding Wire Containing Copper for GSAW
摘 要
在研究碳、钛和铜对焊缝金属影响的基础上,开发了一种含铜微合金化的高强度高韧性气体保护焊焊丝,并且对焊丝的熔敷和焊缝金属开展了常规力学性能、系列冲击、落锤、动态撕裂和CTOD等试验.结果表明：所研制焊丝的焊缝金属具有优良的低温韧性,且实现了以得到针状铁素体组织为主的设计目标.
微合金化
焊丝
气体保护焊
copper
microalloy
welding wire
gas shielding arc welding
Abstract
Based on the effects of carbon,titanium and copper on the microstructure and mechanical properties of weld metals,a high strength and toughness microalloyed welding wire contained copper for GSAW was developed.A series of test were done,including measurements of conventional mechanical properties,impact energy-temperature,drop-weight,dynamic tear and CTOD.The weld metal showed very good toughness at low temperature,and dominant microstructure of acicular ferrite.
中图分类号 TG422
所属栏目
基金项目
收稿日期 2005/9/30
修改稿日期 2005/12/15
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备注朱丙坤(1967-),男,河南襄城人,高级工程师,硕士.
引用该论文: ZHU Bing-kun,ZHOU Hao,LI Shao-bing,ZHANG Jun-xu. Development of a High Toughness Microalloyed Welding Wire Containing Copper for GSAW[J]. Materials for mechancial engineering, 2006, 30(10): 31～33
朱丙坤,周浩,李少兵,张俊旭. 高韧性含铜微合金化气体保护焊焊丝的研制[J]. 机械工程材料, 2006, 30(10): 31～33
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参考文献
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【10】李少兵,张俊旭.铜对高强度低合金钢焊缝金属组织和性能的影响[D].洛阳:洛阳船舶材料研究所,2002.
【11】李振荣,张俊旭.碳铜对高强度低合金钢熔敷金属冲击韧性的影响[D].北京:中国舰船研究院,2004.
【2】Heuschkel J.Weld metal property selection and control[J].Weld J,1973,52:1-25.
【3】Shackleton D.Effects of copper in low alloy and mild steel weld metals[J].British Welding Journal,1967,14(11):592-597.
【4】Widgery D J.The effects of copper in mild steel weld metal[J].Met Constr,1978,10:480-483.
【5】Easterling K E,Spilling P J,Valland G.The effect of copper on the microstructure and mechanical properties of unalloyed steel weld metals[R].Department of Engineering Metals,1972.
【6】Hannerz N E.The influence of alloying elements on the mechanical properties of mild steel basic submerged arc welds[R].Department of Engineering Metals,1972.
【7】Hannerz N E.Review on the influence of copper content on weld metal properties[J].Welding in the World,1988,26(11-12):326-339.
【8】Fenn R,Roberts S B.The effect of copper pick-up in low strength ferritic MIG wled deposits[J].Welding Journal,1985,64(7):42-48.
【9】Debiez S.The effect of copper on the properties and behaviour of MAG weld metals in CMn steel[R].DOC IX-1334-85 of the IIW.
【10】李少兵,张俊旭.铜对高强度低合金钢焊缝金属组织和性能的影响[D].洛阳:洛阳船舶材料研究所,2002.
【11】李振荣,张俊旭.碳铜对高强度低合金钢熔敷金属冲击韧性的影响[D].北京:中国舰船研究院,2004.
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