Friction powder

a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction.

See also: Friction

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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The specimen with modified CNT/friction powder shows more excellent mechanical and tribological performance than that of the specimen only with traditional commercial friction powder. However, if the flow ratio of [C.sub.2][H.sub.2]/[N.sub.2] is higher than the amount for CNTs synthesis required at the specific catalyst concentration, many amorphous carbon clusters would be produced.
The specimen with modified CNT/friction powder shows more excellent mechanical and tribological performance than that of the specimen only with traditional commercial friction powder. CNTs could improve the flexural properties and tribological performances of organic brake friction materials.
In this study, the authors try to prepare modified CNT/ friction powders and CNTs containing organic brake friction materials through sol-gel method with the commercial friction powders and grow carbon nanotubes in situ by the CVD process.
The microstructures of modified CNT/ friction powders are shown in Figure 2.
Hartlepool firm Palmer UK has produced a friction powder derived from Indian and Brazilian cashew nuts that helps braking efficiency.