FIELD: railway transport. SUBSTANCE: tyre has surface, Brinell hardness 330, or machined to repair sizes, Brinell hardness 210-280. Strengthening layer of material is applied to tyre flange, its hardness being from 10 to 70 Rockwell numbers. Strengthening layer can be made of powder material based on metal or of ceramic powder material - aluminium oxide. Additional layer of material made of copper containing mixture can be applied to strengthening layer. Thickness of strengthening layer is 150-200 μm, and thickness of additional layer is 50-70 μm. EFFECT: increased wear resistance of flange. 6 cl
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