High-temperature axial loading stress corrosion test device

A technology of axial loading and stress corrosion, which is applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problem of solution leakage easily, and achieve the effects of avoiding solution leakage, accurate temperature control and maintaining solution concentration

Active Publication Date: 2015-05-13
INST OF METAL RESEARCH - CHINESE ACAD OF SCI +1
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  • Abstract
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Problems solved by technology

[0003] Aiming at the problems existing in the prior art, the main purpose of the present invention is to provide a high-temperature axially loaded stress corrosion test device to solve the problems in the prior art that the solution is prone to leakage and that it is difficult to apply an axial load in the boiling solution to carry out the stress corrosion test. problem, the device can accurately control the heating temperature of the solution, the boiling degree of the solution and the size of the applied load

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  • High-temperature axial loading stress corrosion test device

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[0025] Example

[0026] Such as figure 1 As shown, the high temperature axial load stress corrosion test device of this embodiment includes a load application system and a temperature control system. It is mainly provided with a set of reverse force frames made of Hastelloy, a beaker 8, a stainless steel heating ring 9, and a Teflon closed thermocouple 6, a temperature controller 11, a thyristor trigger 12, a condensate return pipe 1 and a rubber plug 4, the reverse force frame is supported by the reverse force on the upper beam 3 , Reverse force support lower crossbeam 7 and reverse force support column 5, the upper and lower sides of the two reverse force support columns 5 are reverse force support upper crossbeam 3, reverse force support lower crossbeam 7, reverse force support To load sample 2 (rod-shaped). Among them, the upper beam 3 of the reverse force frame is fixed on the two columns of the constant load testing machine or the tensile testing machine, and the sample 6 pe

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Abstract

The invention relates to the field of stress corrosion measurement, in particular to a high-temperature axial loading stress corrosion test device, and solves problems of complex steps during sample clamping as well as easy leakage and overquick boiling of a solution under a stress application condition. The device comprises a load applying system and a temperature control system, and is mainly provided with a set of counterforce frames made of hastelloy, a beaker, a stainless steel heating coil, a thermocouple closed by polytetrafluoroethylene, a temperature controller, a controllable silicon trigger, a condensation reflux pipe and a rubber plug. The device is simple and convenient to operate, can load not only a rod-like sample but also a plate-like sample, can accurately control a heating temperature and a boiling temperature of the solution and an applied load, and is easy for observing a stress corrosion state of the sample in real time. The device is relatively small in overall size and suitable for popularization and use in labs, and can be widely applied to the fields of large-scale industrial production, detection analysis and the like of steel and iron, non-ferrous metal and the like.

Description

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Claims

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Application Information

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Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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