Device for measuring hydrogen embritllement sensitivity of materials in low-temperature environment

Abstract

The invention discloses a device for measuring hydrogen embritllement sensitivity of materials in a low-temperature environment, consisting of an experiment table base 2, an experiment box 8, a stress application shaft 9, a sample clamping part, a hydrogen charging interconnecting piece and a temperature measuring and adjusting device 18, wherein the sample clamping part consists of a loading clamp A5, a loading clamp B6 and a fixed clamp 4 and is arranged in the experiment box 8; the stress application shaft 9 passes through the center of the experiment box 8 from the upper part, the lower part of the stress application shaft 9 is coaxially connected with the upper part of a sample 12 through the ample clamping part, the hydrogen charging interconnecting piece passes through the center of the experiment box through the lower part, and the upper part of the hydrogen charging interconnecting piece is coaxially connected with the lower part of the sample 12 through threads; and the temperature measuring and adjusting device 18 is arranged in the experiment box 8. The device is used for measuring the change of mechanical property of the materials in a high-pressure hydrogen charging environment; no high pressure cavity is used and only a low temperature environment is provided in the cavity, so the experiment process is extremely safe and the problem of potential safe hazard caused by the high pressure cavity used in the traditional hydrogen charging experiment can be solved.

Description

technical field [0001] The invention relates to a device, in particular to a device for measuring the mechanical properties of materials in a low-temperature hydrogen environment. Background technique [0002] With the development of the economy, the global energy demand is increasing. Relevant data show that during 2003-2030, international energy consumption is estimated to increase by 2.0% per year, especially in Asia (including China and India), Central and South America, Africa, the Middle East, and Eurasia. Energy demand in these countries grew at an average annual rate of 5.0%. In today's world, most energy needs are met by fossil fuels. On the one hand, due to the limitation of fossil fuels, the world will face an energy crisis; on the other hand, a series of environmental problems caused by the burning of fossil fuels, such as the greenhouse effect, ozone layer destruction, acid rain, etc., will affect human life, animals and plants. survival has been severely aff...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method for measuring the mechanical properties of materials in a low-temperature hydrogen environment in view of the safety issues involved in the existence of a high-pressure chamber in the existing test device for measuring the mechanical properties of materials in a high-pressure hydrogen-filled environment device, which is simple, economical and safe

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