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Spot welding was widely applied inindustries such asaviation, automobile , and other production departments .Aluminumstructures gradually take a prominent positionowingto lightweight and high intensity. But in quality in-spectionof aluminumalloys ,a single electrical parameter orthermal parameters[1]cannot effectivelyforecast the diame-ter of the weld nugget ,the intensity of spot weld, andsplashing duetotheinstabilityof weldzone caused byalloycompositions and fragile surface oxidation. Theref… 相似文献
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