Wear particles in a hard disk drive may cause the head/disk interface to fail. We have experimentally investigated wear particle generation resulting from fretting wear between the dimple on the suspension and the gimbal spring. We have found that increasing the normal load as well as using a low friction coating reduces the formation of wear particles.

Volume Subject Area:
Magnetic Storage Tribology Track and Symposium
Topics:
Wear, Particulate matter, Disks, Coating processes, Coatings, Friction, Springs, Stress
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