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zhen dong zhen kong qian han ji shu shi yan yan jiu
Author(s): 
Pages: 31-34
Year: Issue:  4
Journal: Welding Technology

Keyword:  高频振动真空钎焊气密性;
Abstract: 探讨了高频振动降低钎焊残余应力进而提高钎焊焊缝气密性的机理,基于激振杆驻波节点设计研制了振动真空钎焊激振器,以某真空电子产品的绝缘密封结构为试验对象,验证了高频振动对该结构气密性的效果,对采用高频激振前后的真空钎焊焊缝的界面形貌及接头力学性能进行了试验。研究表明,在真空钎焊的适当时刻对工件施加高频振动,确实可以有效改善接头的密封性。
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