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

Abstract

The invention provides a material high-temperature mechanical performance test device in an aerodynamic heat-force coupling environment, which belongs to the technical field of the test of material high-temperature mechanical performance. The material high-temperature mechanical performance test device comprises a main machine framework, a mechanical loading system and a clamp water cooling system, wherein the main machine framework adopts a double-stand-column design, the lower end of an oil cylinder mechanism of the mechanical loading system penetrates through an upper crossbeam of the mainmachine framework and is fixed with the upper crossbeam in a thread manner, an upper drawing bar, an upper clamp and the like of the mechanical loading system are connected to the lower end of the oilcylinder mechanism, and other parts of the mechanical loading system are successively connected with a lower crossbeam. The clamp water cooling system is used for cooling a sample clamping mechanismin the mechanical loading system. The material high-temperature mechanical performance test device designs the main machine which can be matched with a coherent jet aerodynamic-heat coupling environment simulation test cabin, has a unique structure design, integrates multiple advanced test technologies, and can well implement the ultrahigh-temperature mechanical performance test of a ceramic material in the coherent jet aerodynamic-heat 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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