FIELD: aircraft construction. SUBSTANCE: blades are fixed on the test stand rim and are rotated with the constant speed 15-20 turn-overs/min. In so doing the abrasive particles (20-50 microns) are mixed in the gas flow removed out of the engine combustion chamber when the temperature is changed from 650 till 850 C. Then the abrasion of the tested workpiece surface is evaluated by each temperature change and by the particle size. EFFECT: enhanced accuracy of measurements. 2 cl, 1 dwg
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