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Soft material mechanical performance measurement apparatus and method thereof

A technology of measuring device and measuring method, which is applied in the direction of measuring device, using optical device, and applying repeated force/pulsation force to test the strength of materials, etc., can solve the problems of inconvenient operation and complex structure, and achieve complete functions, high measurement accuracy, Measuring a wide range of effects

Active Publication Date: 2016-08-17
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

However, this method requires an additional force sensor to obtain force data, and requires scanning electron microscopy to obtain fatigue cracks. At the same time, sliders and chutes need to be designed for samples of different lengths. The structure is complicated and the operation is inconvenient.

Method used

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  • Soft material mechanical performance measurement apparatus and method thereof
  • Soft material mechanical performance measurement apparatus and method thereof
  • Soft material mechanical performance measurement apparatus and method thereof

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0029] Such as figure 1 As shown, a kind of soft material mechanical property measuring device provided by the embodiment of the present invention mainly includes a voice coil motor 1, a controller 2, a computer 6, a translation stage 4 and a CCD camera 8, and the present invention mainly uses a voice coil motor as an implementation The actuator directly adopts the built-in force sensor of the ...

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Abstract

The invention discloses a soft material mechanical performance measurement apparatus and a method thereof. The apparatus comprises a voice coil motor, a controller, a computer, a translation stage and a CCD camera, the voice coil motor is arranged on a rack and is controlled by the controller, the voice coil motor comprises a grid ruler, a force sensor and a main shaft which are arranged in the voice coil motor, the controller is connected with the computer, and the controller drives the voice coil motor to linearly move along a vertical direction according to an instruction sent by the computer, and sends the displacement and load data obtained by the grid ruler and the force sensor to the computer in order to obtain the load-displacement relationship of a soft material to be measured; and the translation stage is arranged under the voice coil motor and is used for disposing the soft material, one side of the soft material is provided with the CCD camera, and the CCD camera is used for shooting the deformation image of the soft material before and after pressurization and transmitting the deformation image to the computer. The method uses the measurement apparatus to measure. The apparatus and the method have the advantages of compact structure, complete functions, high measurement precision and wide measurement range.

Description

technical field [0001] The invention belongs to the field of testing the mechanical properties of soft materials, and more particularly relates to a device and method for measuring the mechanical properties of soft materials. Background technique [0002] Soft material is a special kind of substance between solid and ideal fluid. It is generally composed of macromolecules or molecular clusters. It has two remarkable characteristics of softness and complexity. Soft materials mainly include rubber, biological tissue and liquid crystals, which are closely related to our daily life. Compared with general engineering materials, soft materials have very unique and excellent properties, such as rubber has corrosion resistance, flexibility, wear resistance, heat insulation Insulation and other advantages, it has a wide application background in the fields of aerospace, biomaterials, industrial engineering and medicine. Therefore, the testing of soft materials is very important. Aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N3/38G01B11/16
CPCG01B11/165G01N3/08G01N3/38
Inventor 朱福龙陶加全潘永军蔺欣欣何黎平段科
Owner HUAZHONG UNIV OF SCI & TECH
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