WEAR RESISTANCE OF CONTACT OF TITANIUM ALLOYS WITH COMPOSITE MATERIALS DEPENDING ON THE TECHNOLOGY OF THEIR MANUFACTURING UNDER CONDITIONS OF NOMINALLY FIXED CONTACT

Titanium alloys as well as composite materials (carbon fiber and fiberglass) have recently been widely used in modern aircraft. Contact of titanium materials with polymer power composite materials under vibration loading conditions is accompanied by damage to both titanium and composite materials. The paper presents the effect on the wear resistance of contacting materials depending on the method of their manufacture and the composition of the composite material. It was determined that the wear resistance of fiberglass is 1.7-1.8 times lower than that of carbon fiber. It was determined that the total wear resistance of the Ti-CFRP contact increased by 10 % when forming the fabric in different directions compared to unidirectional forming. It was also determined that the wear resistance of the Ti5Al5V5Мо1Cr1Fe alloy increased by up to 20 % compared to the Ti6Al4V alloy when tested with composite materials.