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Mechanical property test method for fabric and textile structural composite materials

A technology of composite materials and fiber fabrics, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of difficult performance evaluation of fiber fabrics and textile structure composite materials, and achieve the effect of accurate force performance

Inactive Publication Date: 2010-04-14
湖北楚风竹韵科技有限公司
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Problems solved by technology

At present, the research on the tensile properties of fabrics in the textile industry mainly focuses on the uniaxial stretching and biaxial stretching of fabrics, but fabrics have the characteristics of interweaving composite structures in warp and weft directions, and the stress in the actual working environment is often in multiples. direction, different sizes, which brings certain difficulties to the performance evaluation of fiber fabrics and textile structural composite materials

Method used

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  • Mechanical property test method for fabric and textile structural composite materials
  • Mechanical property test method for fabric and textile structural composite materials
  • Mechanical property test method for fabric and textile structural composite materials

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Embodiment Construction

[0018] Such as figure 1 As shown, the test device adopted in the present invention includes: X-axis tension-compression unit 1, Y-axis tension-compression unit 2, vertical bursting unit 4 and digital speckle (DSCM) test unit 3; wherein, X-axis tension-compression unit 1 is used For the material to be tested in the X-axis (in figure 1 The tension and compression in the left and right directions); the Y-axis tension and compression unit 2 is used to carry out the tension and compression in the Y-axis (in the figure 1 (middle is the front-to-back direction) tension and compression; the vertical bursting unit 4 is used when the material to be tested is stretched along the X-axis and the Y-axis, and the material to be tested is applied along the plane perpendicular to the X-axis and the Y-axis. The abutting force in the direction (that is, the direction that forms an angle of 90° with the plane of the X-axis and the Y-axis); the digital speckle (DSCM) test unit 3 is used to measur...

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Abstract

The invention provides a mechanical property test method for fabric and textile structural composite materials. The test method includes steps of tensioning or compressing to-be-tested materials in an X-axis direction and / or a Y-axis direction by aids of an X-axis tension and compression unit and / or a Y-axis tension and compression unit, exerting abutting force along a direction which forms an included angle of 90 degrees with a plane of the X-axis and the Y-axis by a vertical bursting unit when performing X-axis tensioning and / or Y-axis tensioning on fabric and textile structural composite materials, and measuring deformation of the to-be-tested materials when damaged by force via a digital speckle correlation method test unit (DSCM). By performing one-way tension and compression and two-way tension and compression tests on the to-be-tested materials and exerting the vertical abutting force to observe vertical bursting property of the to-be-tested materials when performing tension test on the to-be-tested materials, accurate analysis and predication to three-dimensional multidirectional stressed damage property of the to-be-tested materials is realized.

Description

technical field [0001] The invention relates to a new method for comprehensive evaluation of the mechanical properties of fiber fabrics and textile structure composite materials. Background technique [0002] Fiber textile structural composite materials have the advantages of high specific strength, high specific modulus, small anisotropy, and biodegradability, and are widely used in many fields such as interior decoration, aerospace, fire fighting equipment, and automotive interior decoration. At present, the research on the tensile properties of fabrics in the textile industry mainly focuses on the uniaxial stretching and biaxial stretching of fabrics, but fabrics have the characteristics of interweaving composite structures in warp and weft directions, and the stress in the actual working environment is often in multiples. The complex state of different directions and different sizes brings certain difficulties to the performance evaluation of fiber fabrics and textile st...

Claims

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Application Information

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IPC IPC(8): G01N3/08
Inventor 王戈程海涛黄晓东覃道春
Owner 湖北楚风竹韵科技有限公司
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