Material high-temperature mechanical performance test device in aerodynamic heat-force coupling environment

Abstract

The invention provides a high-temperature mechanical performance testing device for materials in an aerodynamic-thermal-force coupling environment, which belongs to the technical field of high-temperature mechanical performance testing of materials. The equipment includes a main frame, a mechanical loading system and a fixture water cooling system. The main frame adopts a double-column design. The lower end of the oil cylinder mechanism of the mechanical loading system passes through the upper beam of the main frame and is fixed to it in the form of threads. Fixtures, etc. are connected to the lower end of the cylinder mechanism, and other components of the mechanical loading system are connected to the lower beam in turn. The clamp water cooling system cools down the sample clamping mechanism in the mechanical loading system. Based on the traditional electro-hydraulic servo technology, the equipment is designed with a mechanical host that can cooperate with the cluster jet aerodynamic-thermodynamic coupling environment simulation test chamber. Ultra-high temperature mechanical properties test of ceramic materials under thermal-mechanical coupling environment.

Description

technical field [0001] The invention relates to a high-temperature mechanical performance testing device for materials in an aerodynamic-thermal-mechanical coupling environment, which belongs to the testing and analysis of high-temperature mechanical properties of materials, in particular to the high-temperature mechanical performance testing and analysis of aircraft structural materials in an aerodynamic-thermal-mechanical coupling environment. Background technique [0002] When the aircraft flies at supersonic speed in the dense atmosphere, the temperature of the skin of the aircraft will increase sharply with the increase of the flight Mach number (M) due to the heating of the high-temperature compressed gas between the shock wave and the body and the strong friction between the body surface and the air. The aviation industry refers to the high temperature encountered by the aircraft when flying at high speed as the "thermal barrier". [0003] The "thermal barrier" caused...

AI Technical Summary

Problems solved by technology

In this case, although the qualitative results of the mechanical strength of the material in various situations can be obtained from the microscopic analysis of quantum mechanics, the really useful data can only be obtained by the rapid heating of the material.

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