Тип публикации: статья из журнала (материалы конференций, опубликованные в журналах)

Год издания: 2007

Ключевые слова: Arc erosion, Contact resistance, Copper matrix composites, Electrical contact, Electrical endurance, Surface layer, Chemical analysis, Copper, Electric loads, Erosion, Powder metallurgy, Materials science

Аннотация: Cp-Nb-Cr/Cu-Cd electrical contact material, which contains 1.7wt.%of Cd, 0.5wt.%of Cp (man-made diamond particles), 2.0 wt.% of Nb and 0.7 wt.% of Cr, was fabricated by powder metallurgy process. The contact material was installed in different ac contactors covering current range from 40 to 630A. While tested under AC-4 electrical Показать полностьюload, the electrical contact material was worn out gradually by repeated electrical arc, and microstructure of the arc-affected surface layer changed dramatically. Mechanism of arc erosion process and contact resistance fluctuation was discussed by corresponding microstructure observation and chemical composition analysis of the surface layer. Cp-Nb-Cr/Cu-Cd electrical contact material is capable to be used in 63-250A ac contactors under AC-4 working conditions.

Журнал: (22 November 2006 through 25 November 2006, Sanya, Hainan Island

Выпуск журнала: Vol. 353-358, Is. PART 2

Номера страниц: 886-889

• Cui Y.S. (School of Materials Science and Engineering,Harbin Institute of Technology)
• Zhen L. (School of Materials Science and Engineering,Harbin Institute of Technology)
• Wang Y. (School of Materials Science and Engineering,Harbin Institute of Technology)
• Shao W.Z. (School of Materials Science and Engineering,Harbin Institute of Technology)
• Ivanov V.V. (Research Institute on Physics and Engineering,Krasnoyarsk State University)

• Scopus
• Ядро РИНЦ (eLIBRARY.RU)