Synchrotron radiation in-situ imaging tensile testing machine simulating multiple environments and testing method thereof

Abstract

The invention discloses a synchrotron radiation in-situ imaging tensile testing machine simulating multiple environments and a testing method thereof and belongs to the field of material tensile testing machine. The material tensile testing machine comprises a rotatable single-pull base, wherein a digital display pull and push dynamometer is arranged above the single-pull base and is fixedly connected with the lower portion of a lower clamp, the upper portion of an upper clamp is fixedly connected to a sleeve, a spring and a sleeve shaft are arranged in the sleeve, the top of the sleeve shaft is connected to the loading connection position of a loading mechanism, and the loading mechanism is provided with a ratchet wheel and a pawl for achieving a self-locking function. The testing machine is further provided with an in-situ imaging system, a humidification device and a temperature control device. The testing machine reasonably applies a dynamical tensile test and a synchrotron radiation imaging technique and conveniently obtains a three-dimensional image of the inside of a material, microstructure change and microcosmic deformation damage of material organization under complicated environments such as high temperature, low temperature, high humidity and rich oxygen can be obtained, and the microstructure morphology and defects of the material can be better observed.

Description

technical field [0001] The invention relates to the field of material tensile testing machines, in particular to a multi-environment simulating synchrotron radiation in-situ imaging tensile testing machine and a testing method thereof. Background technique [0002] For a long time, with the rapid development of science and technology, new materials have been put into use in large quantities, and people have carried out a lot of research on the mechanical properties of tensile fracture of new materials. It is generally believed that the stretching process of materials includes elastic deformation, plastic deformation and fracture. The mechanical properties of materials are affected by many factors, and the mechanical properties will be different in different realities. In order to better explore the mechanical properties of materials in different environments, and then provide reasonable reference data for the application of materials, it is necessary to conduct tensile test...

AI Technical Summary

Problems solved by technology

However, SEM can only obtain a two-dimensional image of the material surface, but not a three-dimensional image inside the material; and its light source brightness is low, the signal-to-noise ratio of optical signal detection is low, and the measurement accuracy and detection sensitivity need to be improved

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