Portable type metal wire stretching stress corrosion testing device

A metal wire, tensile stress technology, used in measuring devices, weather resistance/light resistance/corrosion resistance, analysis materials, etc. Selective corrosion, the effect of accurate measurement

Inactive Publication Date: 2014-08-27
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the constant load smooth tensile stress corrosion test of metal materials needs to be completed with the help of a large special testing machine, which is bulky, expensive, difficult to move, and inconvenient to use
Although stress corrosion test devices for

Method used

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  • Portable type metal wire stretching stress corrosion testing device
  • Portable type metal wire stretching stress corrosion testing device
  • Portable type metal wire stretching stress corrosion testing device

Examples

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] A portable metal wire tensile stress corrosion test device, such as figure 1 As shown, the device includes: a loading main device 1 , a stress corrosion container 2 , a sensor system 3 , and a special fixture 4 . Described loading main body device 1 is welded by three metal stainless steels, and triangular support is set. One end of the pier head 51 of the metal wire is fixed by the clamping part 11 of the loading device through the steel plates 111 and 112, and the other end is close to the gasket 13, and the loading bolt 12 is tightened to apply a load. Wherein, the steel plate 111 and the spacer 13 are provided with two communicating positioning holes, which can replace the test piece and reuse the device.

[0022] The gasket pressure sensor 31 is placed between the gasket 13 and the steel plate, and is connected to the display controller XSB-1 32 at the ...

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PUM

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Abstract

The invention provides a portable type metal wire stretching stress corrosion testing device which comprises a loading body device (1), a stress corrosion container (2), a sensor system (3) and a dedicated clamp (4). A test piece is fixed through the loading body device (1), pull force is exerted on the test piece through a loading nut, the magnitude of force is measured and displayed by the sensor system (3), and the stress corrosion container (2) can perform selective and multi-point corrosion on the stretched test piece and an electrochemical test can be carried out. The dedicated clamp (4) can be connected with the test piece and an acoustic emission testing system so as to perform acoustic emission testing. The device has the advantages of being convenient to loading, convenient to carry, high in precision, capable of being repeatedly used, and capable of performing selective corrosion and multi-point simultaneous corrosion.

Description

technical field [0001] The invention relates to a portable metal wire tensile stress corrosion test device. Background technique [0002] Stress corrosion refers to the damage caused by metals in specific corrosive media under the action of tensile stress. Stress corrosion research is an important field of safety and reliability research. The metal wire tensile stress corrosion test device is mainly used to study the corrosion performance and stress corrosion mechanism of metal wire under different stresses, corrosive media, temperature, pH value, and time coupling. At present, the constant load smooth tensile stress corrosion test of metal materials needs to be completed with the help of a large special testing machine, which is bulky, expensive, difficult to move, and inconvenient to use. Although stress corrosion test devices for metal rod materials and portable stress corrosion test devices using spring loading have been developed at home and abroad, they still cannot ...

Claims

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Application Information

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IPC IPC(8): G01N17/00G01N17/02
Inventor 缪长青尉廷华梅明星陈先亮
Owner SOUTHEAST UNIV
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