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Preparation and Properties of Particle Reinforced Sn-Zn-based Composite Solder黄惠珍School of Materials Science and Engineering, Nanchang University摘 要:Particle reinforced Sn-Zn based composite solders were obtained by adding Cu powders to Sn-9Zn melts. The microstructure analysis reveals that in situ Cu5Zn8 particles are formed and distributed uniformly......
Crack Initiation and Propagation Evaluation for Sn–5Sb Solder Under Low-Cycle FatigueNoritake HiyoshiDivision of Engineering, Faculty of Engineering, University of Fukui摘 要:In this study, a crack initiation and propagation behavior of Sn–5Sb lead-free solder under low-cycle fatigue is discussed. Cyclic push–pull loading tests with a single-hole specimen......
Inhibition of Electromigration in Eutectic SnBi Solder Interconnect by Plastic PrestrainingX.F. Zhang1), H.Y. Liu1), J.D. Guo1) and J.K. Shang1,2) 1) Shenyang National Laboratory for Materials..., USA摘 要:Plastic prestraining was applied to a solder interconnect to introduce internal defects such as dislocations in order to investigate the interaction......
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Solder Anisotropic Conductive Films for Prospective Wearable and 5G/Artificial Electronics张墅野State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology摘 要:<正>Wearable electronics in future necessarily assemble integrated circuits (ICs) on printed circuit board (PCB) or flexible printed circuit (FPC) substrates[1]. Before......
Fig. 1 Configuration and dimension of specimen for soldering (Unit: mm) 图2 接头界面粗糙度示意图 Fig. 2 Schematic diagram of roughness of solder joints 参照文献[6]中关于微连接焊点界面厚度,粗糙度的评估方法(界面IMC粗糙度测量示意...Cu3Sn相的生长驱动力.接头界面处IMC内存在少量气孔,裂纹等缺陷.无铅焊点界面IMC作为连接的基础,其几何形态,尺寸与微连接焊点可靠性密切相关[11],在此,重点考虑苛刻热循环对接头界面界面金属间化合物尤其是(Cu,Ni)6Sn5的影响. 表1 图3(a)中焊点界面EDS分析结果 Table 1 EDS results of solder joint interface......
s-1,拍摄过程2 s,超声辅助铺展设备示意图如图2所示. 图1 液态钎料动态铺展示意图 Fig. 1 Schematic diagram of dynamic spreading of liquid solder 图2 超声辅助铺展设备示意图 Fig. 2 Schematic diagram of experimental device... Fig. 3 Schematic diagram of meshing results 图4 钎料液滴流体区域模型 Fig. 4 Model of fluid area of solder droplet 钎料液滴数值模拟所采用的参数包括:钎料液滴直径为6 mm,二维流体区域40 mm×20 mm,超声施加时间为2 s,加热温度为220 ℃.石英玻璃弹性模量为72......
渐增多,钎料合金性能下降. 关键词:Bi5Sb钎料合金;Cu;润湿性能;力学性能 中图分类号:TG 405 文献标识码:A Effect of content of Cu on wettability and mechanical property of Bi5Sb solder alloy YAN... of Cu into Bi5Sb solder alloy to improve its wettability and mechanical properties. The results show the effect of adding 0.5%?5.0% (mass fraction) Cu into Bi5Sb on the melting point of Bi5Sb solder alloy......
Role of grain orientation in the failure of Sn-based solder joints under thermomechanical fatigueJing HAN, Hongtao CHEN and Mingyu LI ( State Key Laboratory of Advanced Welding Production Technology, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China)摘 要:A small Pb-free solder joint exhibits an extremely strong anisotropy......