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Microstructure Evolutions and Properties of Al–Cu Alloy Joint in the Pulsed Power Ultrasonic-Assisted GMAWChao Chen,Chenglei Fan,Zeng Liu,Xiaoyu Cai,Sanbao Lin,Yimin ZhuoState Key Laboratory... welding method. The influences of the pulsed power ultrasonic on the microstructure evolution of the welded joint of Al–Cu alloy were investigated by using scanning electron microscopy, transmission......
Microstructure Characterization of High-heat-input Welding Joint of HSLA Steel Plate for Oil Storage ConstructionWeihua Sun 1,2)? , Guodong Wang 1) , Jiming Zhang 2) , Dianxiu Xia 2) and Hao Sun 2) 1... material and the weld joint proved excellent strength and toughness by vibratory electrogas arc (VEGA) welding under 90 to 100 kJ/cm heat-input. The heat-affected zone (HAZ) was comprised of fine-grain......
Microstructural Evolution of a Ni-base Alloy DZ468 Joint Bonded with a New Co-base FillerYanhong Jing,Zhi Zheng,Enze Liu,Yi GuoDivision of Superalloy,Institute of Metal Research,Chinese Academy... of the Co-base filler and the joint,the effects of heat treatment on microstructure and hardness of the joint have been investigated by various experimental methods.Results show that the Co-base filler......
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Characterization of diffusion-bonded joint between Al and Mg using a Ni interlayerJian Zhang1,2,Guo-Qiang Luo2,Qiang Shen2,Lian-Meng Zhang2,Zhi-Jun Huang11. Research and Development Center of Wuhan... the formation of Mg–Al intermetallic compounds and improves the bonding strength of the Al/Mg joints. The Al/Ni/Mg joints are formed by the diffusion of Al, Ni and Mg, Ni. The microstructure at the joint......
Performance of GH4169 brazed joint using a new designed nickel-based filler metal via cluster-plus-glue-atom modelHonggang Dong1,Yueqing Xia1,Xinxing Xu1,Gul Jabeen Naz2,Xiaohu Hao1,Peng Li1,Jun.... The diffusion and aggregation of B, Cr, Nb, and Mo resulted in the variation of phase contrast and morphology of borides. Coarse precipitations in the joint brazed at1240℃ consisted of borides, Laves phase......
Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatmentS.C.Han1,2,L.H.Wu1,C.Y.Jiang1,N.Li1,C.L.Jia1,P.Xue1,H.Zhang1,H.B.Zhao1,D.R.Ni1,B...(PP) via friction spot welding.A maximum joint strength of29 MPa was achieved,the same as that of the base PP(i.e.the joint efficiency reached 100%),much larger than ever reported.The joining mechanism......
of a Ti–6Al–4V electron-beam welded joint was investigated. Meanwhile, the crystallographic orientation of prior b grains was studied by advanced electron backscattered diffraction data processing. The inhomogeneity of microstructure within welded joint was formed due to the different microstructures of BM. By comparing microstructure details of the welded joint, including microstructure......
Microstructure and mechanical properties of friction stir welding joint during post weld heat treatment with different zigzag linesZhi-Li Hu1,2,Qiu Pang3,Ming-Liang Dai1,21. Hubei Key Laboratory... of the zigzag line in Al-Cu alloy FSW joint and its influence on the microstructure and mechanical properties during post weld heat treatment(PWHT) were studied by scanning electron microscopy(SEM......
Article ID: 1003-6326(2005)03-0497-07 Effect of bonding parameters on microstructure and properties of Si3N4/Si3N4 joint brazed by Cu-Zn-Ti filler alloy ZHANG Jie(张 杰)1... was 15%(molar fraction). The effect of bonding parameters on the microstructure and mechanical properties of the Si3N4/Si3N4 joint were investigated. The results indicate that with increasing brazing......