...laser spot welding; dissimilar metal joining; Ni [gap=13125]关键词：医用封堵器；NiTi合金；形状记忆合金；不锈钢；激光点焊；异种金属连接；Ni ...
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At last, the effect of RSW, laser spot welding, RSSW on joint’s properties and metal structure is studied.
最后试验研究分析了车身装焊和零件制造中常用的电阻点焊、激光点焊、搅拌摩擦点焊对接头性能和组织的影响。
参考来源 - 车身铝合金板材中频点焊工艺的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The main defects of laser spot welding of aluminum are crater, hot crack and porosity which created by oxide film and keyhole instability,.
焊点中存在的主要缺陷是气孔，表面下塌，热裂纹，其中气孔主要为氧化膜气孔和匙孔不稳定形成的气孔。
Laser spot welding will take the place of the traditional joining methods such as resistance welding and rivet connection for its high precision and high efficiency.
激光点焊具有高精度，高效率等特点，在航空航天工业中有望替代传统的电阻点焊和铆接等连接方法。
Using a laser, the robot can make highly accurate welds and position itself for each one a lot faster than it could if it were spot-welding in the normal way.
与传统方法相比，利用激光，机器人可以高精度高效率的完成焊接。
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