Mechanical property testing device and mechanical property testing method for soldered joint

Abstract

The invention discloses a mechanical property testing device and a mechanical property testing method for a soldered joint, relating to the field of mechanical property testing on materials. The device is characterized by comprising a force generation acquisition converting device, a micro amplification acquisition conveying device and a data display and processing device, wherein the force generation acquisition converting device comprises a loading device which can be used for clamping and drawing the soldered joint; one end of the loading device is connected with the data display and processing device through a stepper motor (5) and a controller; the other end of the loading device is connected with the data display and processing device through the force acquisition conveying device; the micro amplification acquisition conveying device comprises a micro amplification device which is just aligned with the soldered joint and an image acquisition conveying device which is arranged behind the microgram amplification device and is connected with the microgram amplification device; one end of the image acquisition conveying device is connected with a power supply (11); the other end of the image acquisition conveying device is connected with the data display and processing device. By using the mechanical property testing device and the mechanical property testing method for the soldered joint, the mechanical property of the soldered joint can be tested, the data are accurate, and the testing cost is lowered.

Description

technical field [0001] A device and method for testing the mechanical properties of a brazed joint relate to the field of material mechanical properties experiments, in particular to a device and method for testing the mechanical properties of a brazed joint. Background technique [0002] Tensile test refers to an experimental method for determining the properties of materials under axial tensile load. The data obtained from the tensile test can determine the elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength and other tensile performance indicators of the material. It can study the macroscopic mechanical behavior of the sample, but to study the mechanical properties of micro-scale materials, such as brazed joints, the ordinary tensile test is far from meeting the experimental requirements. When studying the mechanical properties of materials such as brazed joints, we need Real-time observation of th...

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Problems solved by technology

The data obtained from the tensile test can determine the elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength and other tensile performance indicators of the material. It can study the macroscopic mechanical behavior of the sample, but to study the mechanical properties of micro-scale materials, such as brazed joints, the ordinary tensile test is far from meeting the experimental requirements. When studying the mechanical properties of materials such as brazed joints, we need Real-time observation of the microscopic behavior of the entire stretching process of the material, which requires the use of in-situ stretching experiments to obtain the microscopic morphology changes of the material to study the mechanical behavior of the material

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