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alloys for shipbuilding GAO Rui, SUN Yao-jun, XU Xi-jun, GUO Ning (Luoyang Ship Material Research Institute, Luoyang 471800, China) Abstract: The application of activating flux for TIG welding of Ti31...敷在待焊区域,如图1所示.涂敷前试件表面使用400号砂纸打磨去除氧化皮,并用丙酮清理油污和氧化皮碎屑. 图1 活性剂涂敷示意图 Fig.1 Activating flux on titanium sample of TIG welding 使用普通TIG焊接,待活性剂完全干燥后施焊.焊接工艺参数如表1所示. 表1 Ti31合金的TIG焊接规范......
J. Cent. South Univ. (2012) 19: 2081-2085 DOI: 10.1007/s11771-012-1248-2 Underwater friction stir welding of ultrafine grained 2017 aluminum alloy WANG Kuai-she(王快社), WU Jia-lei(武佳蕾), WANG Wen(王文... by underwater friction stir welding (underwater FSW). X-ray diffractometer (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM) and microhardness tester were adopted......
合金钨极惰性气体保护焊, 熔化极惰性气体保护焊, 搅拌摩擦焊, 惯性摩擦焊, 激光焊, 电子束焊和电阻点焊的特点, 并对镁合金焊接研究及应用进行了展望. 关键词: 镁合金; TIG; MIG; FSW; 惯性摩擦焊; 激光焊; 电子束焊; 点焊 中图分类号: TG44 文献标识码: A Status and expectation of research on welding... and application of magnesium alloy were pointed out. Key words: magnesium alloy; TIG; MIG; FSW; friction welding; laser welding; electron beam welding; resistance spot welding
活性化TIG电弧光谱分布的特征 杨春利1,吴林1,张清涛1,林三宝1,刘凤尧1 (1.哈尔滨工业大学现代焊接生产技术国家重点实验室,哈尔滨,150001) 摘要:逐点测试了活性化TIG焊(A-TIG)电弧光谱的频域及空间分布,分析了A-TIG电弧光谱的构成.A-TIG光谱的频域分布为连续光谱背景下的线光谱;Ar和活性剂粒子分布在整个电弧空间,其中活性剂元素谱线在电弧中部最强,其次是钨极前方,在熔池上方最弱;活性剂元素谱线线形及重现性好;与常规TIG焊相比,电弧中的Fe谱线明显增多,大多数分布在熔池上方和电弧中部区域;电弧周围分布着很多活性剂粒子;电弧中心Ar谱线强度提高说明电弧中心温度有所提高. 关键词:A-TIG焊; 光谱特征; 活性剂; [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 27(2017) 272-281 Effect of combinative addition of Ti and Sr on modification of AA4043 welding wire and mechanical properties of AA6082 welded by TIG welding Bo... for rocket shell, cryogenic tanks, engine castings and other medium strength structures [1]. Therefore, welding of these alloys by different welding methods [2-6] including tungsten inert gas (TIG......
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the welding techniques, tungsten inert gas (TIG) welding is one of the main methods in joining 7000 series aluminum alloys. During welding both heating and cooling processes, the highly localized transient heat... aluminum alloy were investigated. 2 FEM model The TIG welding process for A7N01-T4 aluminum alloy in the rolled and natural aging state was simulated based on Marc software. The welding residual......
;The alloy 5052 was welded by friction stir welding(FSW)and tungsten inert gas(TIG)welding.The effect of welding processes(FSW and TIG)on the fatigue properties of 5052 aluminum-welded joints was analyzed...Comparison of fatigue property between friction stir and TIG weldsXunhong Wang~(1)) Kuaishe Wang~(2)) Yang Shen~(2)) Kai Hu~(3)) 1)Cold Rolling Plant,Baosteel Branch,Shanghai 200941,China 2)School......
填充材料Ti原位增强SiCp/101A1基复合材料TIG焊接头反应机理 崔颖1,冀国娟1,杨晓剑1,牛济泰2 (1.北京矿冶研究总院,北京,100044;2.哈尔滨工业大学材料科学与工程学院,哈尔滨,150001) 摘要:接头组织对焊接接头的性能起着决定性作用,研究表明,在SiCp/101A1基复合材料TIG焊焊接过程中,填充材料Ti与复合材料中的增强颗粒SiC反应生成了性能更好,颗粒度更小,分布更弥散的TiC颗粒. 关键词:复合材料; SiCp/101; 原位; [全文内容正在添加中] ......
fusion welding processes produce deleterious microstructural alterations when they are applied to SiCp/Al composites [1-9]. In TIG and MIG welding pool, the strong rejection of SiC particles... the porosities in the TIG and MIG welds[2,3,5]. During welding, serious interface reaction between SiC particles and Al matrix occurs and plate-like Al4C3 precipitates form, which are very brittle......
