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Interferometric Deformation Measurement of Elastohydrodynamically Loaded Surfaces

1978; ASM International; Volume: 100; Issue: 4 Linguagem: Inglês

10.1115/1.3453267

2161-9522

Johnny Jakobsen, P. C. Larsen,

Adhesion, Friction, and Surface Interactions

A method of determining deformations of elastohydrodynamic point and line contacts under actual operating conditions is presented. An optical interference of two beams is applied. The method appears to give a high degree of accuracy and thereby offers the possibility of determining pressure profiles over the contact area with sufficient precision for viscometric purposes.