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Theory of powdery rubber wear

B N J Persson

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Rubber wear typically involves the removal of small rubber particles from the rubber surface. On surfaces with not too sharp roughness, e.g. most road surfaces, this involves (slow) crack propagation. In this paper I shall present a theory of mild rubber wear. I shall derive the distribution of wear particle sizes Φ(D), which is in excellent agreement with experiment. I shall also show that the calculated wear rate is consistent with experimental data for tire tread block wear.


PACS

62.20.Qp Friction, tribology, and hardness

81.05.Lg Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials

62.20.M- Structural failure of materials

81.40.Np Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure

81.40.Pq Friction, lubrication, and wear

68.35.Gy Mechanical properties; surface strains

Subjects

Soft matter, liquids and polymers

Surfaces, interfaces and thin films

Condensed matter: structural, mechanical & thermal

Dates

Issue 48 (2 December 2009)

Received 17 January 2009, in final form 18 June 2009

Published 30 October 2009



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