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Friction and wear of electrical contacts

Burton, R A

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Título:
Friction and wear of electrical contacts
Autor: Burton, R A
Notas: SourceType-Books-1
ObjectType-Reference Document-2
content type line 10
ObjectType-Book-1
Descrição: Electrical brushes running on metallic slip rings or commutators represent one of the oldest applications of dry sliding contacts. Brush performance is influenced by parameters such as current, sliding speed, load, contact dynamics, and ambient atmosphere. Although a carbon brush gliding over a copper current collector (slip ring or commutator) was successfully employed in electrical power machinery over 100 years ago, research actively continues on: Improved composite materials for higher conductivity and lower wear; Low electrical noise in instrumentation; Materials resistant to arcing; Substitute materials to replace compositions that are hazardous in manufacture or use. A separate field of development has focused on the use of static contacts for applications such as communications and computer systems where noise, development of contaminant films, fretting under vibration, and resistance to attack by atmospheric components are concerns.
Data de criação/publicação: 1992
Idioma: Inglês

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