Ultrasound-assisted tensile test machine and test method

A tensile testing machine and ultrasonic-assisted technology are applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc. Simple and convenient, high test accuracy

Inactive Publication Date: 2019-05-10
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current tensile testing machine is mainly a static tensile testing machine, which cannot realize the ultrasonic-assisted tensile function.

Method used

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  • Ultrasound-assisted tensile test machine and test method
  • Ultrasound-assisted tensile test machine and test method

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Embodiment Construction

[0037] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0038] In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description, so as to illustrate the technical solution of the present invention. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0039] The invention provides an ultrasonic-assisted tensile testing machine, comprising:

[0040] base 1;

[0041] A force value monitoring system, the force value monito...

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Abstract

The invention provides an ultrasound-assisted tensile test machine and a test method. The test machine comprises a base; a force value monitoring system with a force sensor; a lower clamp head fixed on the force sensor; a lifting device mounted on the base; an ultrasonic vibration system which comprises an ultrasonic controller and an ultrasonic vibration device, wherein the ultrasonic vibration device is mounted on the lifting device, the ultrasonic vibration device comprises an ultrasonic vibration generator and an ultrasonic horn, the ultrasonic horn is connected with the ultrasonic vibration generator, and a tested piece is connected and fixed between the ultrasonic horn and the lower clamp head; a strain monitoring system with an industrial camera; and a signal collection and processing system which is connected with the force value monitoring system, the lifting device, the ultrasonic vibration system and the strain monitoring system. According to the test machine and the test method, high frequency controllable vibration is provided through utilization of the ultrasonic vibration generator and a vibration direction is consistent with a static stretching direction of the tested piece, so an ultrasonic vibration load and static stretching load overlapped tensile test is realized.

Description

technical field [0001] The invention relates to the field of tensile performance testing of metal components, in particular to an ultrasonic-assisted tensile testing machine and a testing method. Background technique [0002] Compared with the static deformation process, the deformation resistance of metal components can be significantly reduced in the ultrasonic vibration-assisted deformation process, thereby effectively reducing the tonnage and power of metal component processing equipment, reducing processing energy consumption, and greatly saving processing and manufacturing costs. Static tensile testing machines are often used in the study of static mechanical properties and deformation behavior of metal materials, while ultrasonic vibration-assisted tensile testing machines are required in the study of mechanical properties and deformation behavior assisted by ultrasonic vibration. However, the current tensile testing machine is mainly a static tensile testing machine,...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N3/02
Inventor 李宇罡耿继伟陈东夏存娟李险峰汪明亮王浩伟
Owner SHANGHAI JIAO TONG UNIV
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