Evaluation of the force fit conical joint load-bearing capacity for components made of the carbon-carbon composite materials

The paper considers a possibility to transmit torque in the shaft-bushing components made of the composite materials. Experimental studies were conducted to evaluate the force fit load-bearing capacity of the conical joint made of the spatially reinforced carbon-carbon composite materials (CCCM) with the 4DL reinforcement scheme. The torque experimental dependence on the axial force acting on the joint conical surface was obtained. Based on the experimental data, the friction coefficient dependence on the normal force acting on the joint surface was determined for a force fit conical joint made of the carbon-carbon composite materials. It was established that friction coefficient in the conical joint made of CCCM was less than in a similar conical joint made of metals.

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