断弧AgMeO触点结构和组成的调整状态和准稳态

Electrical Contacts - 1998. Proceedings of the Forty-Fourth IEEE Holm Conference on Electrical Contacts (Cat. No.98CB36238) Pub Date : 1998-10-26 DOI:10.1109/HOLM.1998.722446

J. Wan, Ji-gao Zhang, Mingcong Rong

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引用次数: 10

摘要

在加速试验机上进行了AgCdO、AgSnO/ sub2 /和AgZnO触点断弧侵蚀行为实验。采用扫描电子显微镜(SEM)分析了表面熔化温度范围，能谱仪(EDS)分析了表面元素组成。分析了熔化范围后的表面组织和成分。描述了井眼形成机理。最后，讨论了电弧侵蚀和熔化范围后的表面组织及成分。随着操作的增加，讨论了调节态和准稳态两个阶段。

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Adjustment state and quasisteady state of structure and composition of AgMeO contacts by breaking arcs

The experiments for erosion behavior of AgCdO, AgSnO/sub 2/ and AgZnO contacts by breaking arcs were carried out in an accelerated testing machine. The surface undergone melting temperature range was examined by SEM, and the element compositions of the surface were analyzed by EDS. The microstructure and composition of the surface after melting range were analyzed. The mechanism of hole formation is described. Finally, the arc erosion and microstructure as well as composition of the surface after melting range are discussed. With increasing operations, two stages named as adjustment state and quasi steady state are discussed.

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Electrical Contacts - 1998. Proceedings of the Forty-Fourth IEEE Holm Conference on Electrical Contacts (Cat. No.98CB36238)

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