Abstract

Properties of the soil and wearing material determine the volume wear. Volume wear increases as the stone content of a soil and its resistance to penetration by spherical probes increase. During abrasive wear the abrasive deteriorates by one of two mechanisms, plastic flow or fracture. When the abrasive flows plastically large gains in wear life by using hard materials can be obtained. When the abrasive fractures, the gains in life are much smaller. In soils, the type of abrasive or stone and the strength of the soil affect the way the abrasive deteriorates. Abrasive wear resistance in soils depends in a complex way on the stress—strain properties of the material and the amount of plastic deformation caused by the wear process.

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