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ASTM B664-18(2023)

Standard Specification for 80 % Silver-20 % Graphite Sliding Contact Material

NORMA vydána dne 1.4.2023

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Informace o normě:

Označení normy: ASTM B664-18(2023)
Datum vydání normy: 1.4.2023
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

Anotace textu normy ASTM B664-18(2023) :

This specification defines the criteria for composition and other requirements for sliding contact materials or brushes with a nominal composition by weight of 20% silver and 80% graphite. Materials shall adhere to specified requirements for chemical composition, density, shear strength, and microstructure. They shall also conform to typical values of Rockwell superficial hardness and specific resistance.


Keywords:
electrical contacts, graphite, silver, sliding contacts,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)