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Impact dynamics with applications to solid particle erosion

1988; Elsevier BV; Volume: 7; Issue: 1 Linguagem: Inglês

10.1016/0734-743x(88)90011-5

1879-3509

Raymond M. Brach,

High-Velocity Impact and Material Behavior

A reformulation and solution is presented of the equations of impulse and momentum for an arbitrarily shaped rigid body striking a flat massive surface. The model makes use of the classical coefficient of restitution, e, and tangential coefficient, μ. The latter is defined as the ratio of the tangential to normal impulse components. It is shown that a distinction between μ and friction coefficients, f, is necessary for a proper interpretation of impact data. The expression of impact energy loss is placed into a particularly convenient form. Comparisons are made of this impact model to others from the field of solid particle erosion and wear.