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Experimental method for tensile property of steel wire rope coating material

A technology for coating materials and tensile properties, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of irregular fracture of coating materials, short service life of materials, etc., and achieve easy operation and simple experimental methods Effect

Inactive Publication Date: 2016-05-18
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steel wire rope coating materials in the service environment are subject to strong extrusion, and the materials selected only by conventional tensile performance test methods do not consider the direct impact of strong extrusion on material properties, which may lead to short service life of the selected materials, and Coating materials are prone to irregular fractures and other problems

Method used

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  • Experimental method for tensile property of steel wire rope coating material
  • Experimental method for tensile property of steel wire rope coating material
  • Experimental method for tensile property of steel wire rope coating material

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0040] A method for testing the tensile properties of a steel wire rope coating material, comprising the steps of:

[0041] 1. Sample preparation: Make several samples of the coating material to be tested with a thickness of 1 mm, and set aside;

[0042] 2. Take the sample, and use the module to perform a bidirectional extrusion test on the middle part of the sample at a compression rate of 2mm / min. When the compressive stress increases to 0.2GPa, stop the extrusion, and compress the compressed sample at a rate of 50mm / min Biaxial tensile test is carried out on it at a high rate, the tensile strength and elongation at break are recorded, and the average value is taken as the test result after repeated testing for 5 times;

[0043] 3. Take the sample, and use the module to perform a bidirectional extrusion test on the middle part of the sample at a compression rate of 2mm / min. When the compressive stress increases to 0.4GPa, stop the extrusion, and compress the sample at a rate...

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Abstract

The invention discloses an experimental method for a tensile property of a steel wire rope coating material. The experimental method comprises the steps that the steel wire rope coating material is prepared into a sample with the specified thickness, a metal module performs compression testing on the middle of the sample at a specified stress value on a compressor, then tensile testing is performed on the compressed sample, and the relevant tensile properties such as the local tensile strength and the elongation at break are recorded to serve as one of material selecting bases of the steel wire rope coating material. The experimental method is simple, feasible and easy to operate.

Description

technical field [0001] The invention relates to an experimental method for coating materials, in particular to an experimental method for tensile properties of steel wire rope coating materials. Background technique [0002] Steel wire ropes are generally directly exposed to sunlight, wind and rain, acid and alkali and other open-air environments, and are easily corroded and aged, which will affect the service life of the steel wire rope. A common practice is to coat a layer of surface grease on the surface of the steel wire rope, which can reduce the corrosion damage of the steel wire rope during transportation, storage and use, and can also reduce the extrusion wear of the steel wire rope on the surface steel wire during use, prolonging the use of the steel wire rope life. Common coating materials are polyethylene, polypropylene, polyamide, etc. The steel wire rope coating materials in the service environment are subject to strong extrusion, and the materials selected on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08
Inventor 熊玉竹梅文杰崔凌峰
Owner GUIZHOU UNIV
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