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the microstructure characterization of the wedge bond interface. Bond lift-off characteristics were studied by using scanning electron microscopy(SEM) with EDS-test. Characteristics of input power of PZT... that of the first bond under the same machine variables, the second bond interface was selected to research relationship between microstructure and force, time and power, and a great deal of adjusting......
Microstructure and Properties of Joint Interface of Semisolid Stirring Brazing of CompositesHuibin Xu 1,2) , Bofang Zhou 1) , Changhua Du 1) , Quanxiang Luo 1) and Hongyou Chen 1) 1) School... was found at bottom joint interface, which limited the lift of joint strength. A stirring was applied once more after the samples were continuously heated up to 470 and 500℃, respectively. At this time......
Microstructure evolution and interface structure of Al-40 wt% Si composites produced by high-energy ball millingYuanyuan Chen1,Zhangping Hu1,Yifei Xu1,Jiangyong Wang2,Peter Schützendübe3,Yuan...="ChDivSummary" name="ChDivSummary">High silicon content Al-Si composites with a composition of Al-40 wt% Si were fabricated via a highenergy ball milling method. The microstructure evolution of Al-40 wt% Si......
Influence of Extrusion Speed on the Microstructure Evolution, Interface Bonding and Mechanical Response of Mg MB26/Al 7075 Composite RodYu Chen1,Rui Zhang1,Tao Zhou1,Li Hu1,Jian Tu1,Lai-Xin Shi1,Yan...-extrusion.The influence of extrusion speed on the microstructure evolution,interface bonding and mechanical response of the Mg MB26/Al 7075 composite rod is investigated.The results show......
Microstructure, Interface, and Properties of Multilayered CrN/Cr2O3 Coatings Prepared by Arc Ion PlatingChang-Ming Shi,Tie-Gang Wang,Zhi-Liang Pei,Jun Gong,Chao SunState Key Laboratory for Corrosion... ion plating(AIP) technique. The results revealed that the microstructure,morphologies and properties of the multilayered coatings were strongly influenced by the bilayer period(L).There were two kinds......
; intermetallic compounds; interface microstructure 汽车轻量化等工业发展的要求使得低密度和高比强度的铝合金得到了广泛应用.既能降低汽车质量又能满足结构性能要求的铝/钢复合结构被人们广泛关注.目前,国内外学者对铝/钢异种金属的焊接开展了大量的研究[1-5],特别是合金元素对铝/钢界面的影响成了学者们研究的热点. 镀锌钢板是重要的汽车车身用钢,在铝与镀锌钢板异种金属焊接的过程...:Si元素在整个界面反应层中有明显富集现象.此外,在测试结果的基础上对Fe-Al-Si三元金属间化合物的生长过程进行探讨. 关键词:铝/钢熔钎焊;扩散;金属间化合物;接头界面 中图分类号:TG401 文献标志码:A Effects of Si and Zn on interface microstructures of aluminum/steel......
substrate by High velocity oxy-fuel (HVOF) spraying. The structure of the coating and microstructure of the substrate-coating interface have been investigated by means of scanning electron microscope (SEM) and transmission electron microscopy (TEM). We observed the worn surface of the coating and investigated the wear mechanism. The results show that the microstructure of the interface between HVOF......
and annealing. It is found that the microstructure and bonding strength of the Al/Cu interface are different with those of the Cu/Al interface. The interfacial microstructure of Cu/Al interface is improved due...Asymmetry in interface and bending property of Al/Cu/Al bimetallic laminatesXiao-Bing Li,Guo-Yin Zu,Ping WangSchool of Materials and Metallurgy, Northeastern University摘 要: particles in an undercooled melt was discussed by microstructure simulation technique and M-S interface stability theory. The results show that the morphology of primary α(Al) is determined by both... into spherical shape.
Key words: semi-solid metal processing; solidification; crystal growth; interface stability; microstructure simulation
 ......过冷熔体中球晶组织的形成规律
来源: 《中国有色金属学报2008年第4期》——郭洪民 杨湘杰
is in the range of 10-15 μm. Energy spectrum analysis shows that CuAl3 phase presents at the interface. Key words: aluminum/copper clad composite; casting; cold extrusion; microstructure 1 Introduction... and alcohol iron nitrate solution was used for copper. The microstructure was observed by metallographic microscopy and scamming electronic microscopy (SEM). The phase composition of interface......