Acta Stereologica



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Leszek Wojnar

On some misunderstanding of fracture roughness parameters

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A corrected equation describing the upper bound for RL—RS relation was derived as Rs = (π/2).RL – (π2 – 8)/4.

Due to some misunderstanding the above equation was called incorrect. The nature of this misunderstanding is explained and an experimental proof of correctness is presented.

Keywords : fractography, roughness parameters, stereometric equations, surface rougness

Om dit artikel te citeren:

Leszek Wojnar, «On some misunderstanding of fracture roughness parameters», Acta Stereologica [En ligne], Volume 10 (1991), Number 1 - Stermat '90 (part I) - June 1991, 37-42 URL :

Over : Leszek Wojnar

Institute of Materials Science, Technical University, Al. Planu 6-letniego 19A, 31-864 Cracow, Poland