| 1 | Evolution of Joint Formation in Resistance Microwelding of Crossed Pt-10%Ir and 316 LVM Stainless Steel Wires显示文摘The surface morphology, cross-sections, and joint break force(JBF) of joints welded under different electrode forces were studied. The defects, such as electrode sticking, notch, and excessive expulsions, were observed in the joints. No desirable joints were achieved with the consideration of weld geometries and joint performances. From the cross-sectional morphology, the joint evolution during the RMW of Pt alloy and 316 LVM SS wires was developed, which involved cold collapse and heat promoted set-down of Pt alloy wire, unbalanced heating at interface, molten phase squeezed out, and defect formation. Finally, the defect formation was also discussed. | 黄永德 肖林 Andie PEQUEGNAT ZHOU Yunhong | 2015 | Journal of Wuhan University of Technology(Materials Science)2015，30，6： | 2 |
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