Tools of the Trade
December 2006
High-friction coatings
EKagrip nickel diamond coatings from ESK Ceramics, a Ceradyne company, are designed for use at joints in powertrain, transmission, suspension, and drive applications. Consisting of an electroless nickel matrix in which specified quantities of diamond particles of defined size are co-deposited, these coatings can be applied either to the joint components directly or to thin foils or shims for installation in the joint. EKagrip friction coatings can transmit up to three times as much load as conventional systems with no need to modify the joint design. Unaffected by typical in-engine environments, the coatings can be reused.
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