Micro temperature box system and method for testing high-temperature tensile property of metal-based composite material

Abstract

The invention provides a micro temperature box system for testing the high-temperature tensile property of a metal-based composite material and belongs to the technical field of experimental solid mechanical testing and metal-based composite material high-temperature mechanical property testing. The micro temperature box system for testing the high-temperature tensile property of the metal matrix composite comprises a temperature box, an oil tank, an oil pump and a copper pipe, wherein the oil tank is fixedly connected to a left side wall of the temperature box, a temperature control system is arranged in the oil tank, and the inner bottom of the oil tank is fixedly connected with the oil pump and located on the right side of the temperature control system. In the high-temperature tensile test, only the working section of a test piece is in a required temperature environment, and meanwhile, a high-temperature oil circulating temperature box system is developed to realize a circulating high-temperature oil heating system, so the heating time is saved, operation is simplified, and test efficiency is improved; the environment temperature of a test piece is uniform, effective data of an experimental test result is more, purposes of reducing the use cost and the test cost are achieved, and innovative changes are generated in the aspect of high-temperature mechanical property testing.

Description

technical field [0001] The invention belongs to the field of experimental solid mechanics testing technology and high-temperature mechanical testing technology of metal-based composite materials, and specifically relates to a miniature temperature box system and method for testing high-temperature tensile properties of metal-based composite materials. Background technique [0002] The high-temperature heating temperature box system is an effective tool for the characterization of the high-temperature mechanical properties of metal matrix composites. It has been important research and application in experimental solid mechanics and the measurement of high-temperature mechanical properties of metal matrix composites. However, with the development of high-temperature tensile mechanics experiments of metal matrix composites, the deficiencies of the traditional high-temperature heating temperature box system have gradually emerged: since both the test piece and the fixture are in ...

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Problems solved by technology

[0003] The purpose of the present invention is: aiming at the deficiencies of the prior art, the present invention provides a micro temperature box system and method for testing the high temperature tensile properties of metal matrix composite materials, to solve the problem of The stress concentration at the holding end makes the damage of the metal matrix composite material test piece occur near the reinforcement sheet in the tensile performance test, and the temperature box is too large to make the temperature in the box uniform.

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