US 2026/0071944 A1Published application

In-situ testing apparatus for material mechanical behavior under neutron and x-ray fusion imaging

AssigneeJilin University

InventorsHongwei ZHAO, Futao HE, Shizhong ZHANG, Hang ZHU, Peng LIU, Min YANG, Heyong HUO, Rongchang CHEN, Hongfu QIANG, Zhiping HUANG, Shuangwei MA, Bingnan YAO

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Abstract

Provided is an in-situ testing apparatus for a material mechanical behavior under neutron and X-ray fusion imaging, belonging to that technical field of material mechanical behavior testing. The in-situ testing apparatus includes a mechanical loading test module, a positioning support module, a variable temperature loading module, an X-ray phase contrast imaging module, and a neutron imaging module. The imaging sensitivity is high by adopting X-ray phase contrast imaging. A moving base can drive spatial positions of modules such as a test cassette and a neutron imaging module. A neutron receiver and a neutron upstream emitter can be matched to the same axis, thus solving the problem that the neutron imaging module and the X-ray imaging are difficult to be integrated into one system.

An in-situ testing apparatus for a material mechanical behavior under neutron and X-ray fusion imaging, comprising:

a positioning support module, comprising a moving base seal coverable of moving spatially, wherein the moving base is provided with a test cassette, a test region for specimen testing is arranged in the test cassette, a left side and a right side of the test cassette are correspondingly provided with a fixture inlet, respectively, and a connecting line between the fixture inlets on the left side and the right side of the test cassette passes through the test region;
a top and a bottom of the test cassette are correspondingly provided with an X-ray outlet and an X-ray inlet, respectively, and a connecting line between the X-ray outlet and the X-ray inlet passes through the test region;
a front side and a rear side of the test cassette are correspondingly provided with a neutron beam inlet and a neutron beam outlet, respectively, and a connecting line between the neutron beam inlet and the neutron beam outlet passes through the test region;
a mechanical loading test module, comprising two loading arms seal coverable of rotating around axes thereof, wherein the two loading arms are mounted on the moving base, and the two loading arms correspond to the fixture inlets on the left side and the right side of the test cassette, respectively;
the axes of the two loading arms are coaxial and horizontally arranged, an adjustable clamping spacing is formed between the two loading arms, each loading arm is provided with a fixture located in the clamping spacing, and a pressure sensor is arranged between the loading arm and the fixture, and the fixtures of the two loading arms are used to clamp both ends of the specimen, respectively;
a variable temperature loading module, used to control and monitor a temperature of the specimen, wherein the variable temperature loading module is arranged on the moving base;
an X-ray phase contrast imaging module, comprising an X-ray emitter, and an X-ray receiver, wherein the X-ray emitter and the X-ray receiver are mounted on the moving base, and located at a lower side and an upper side of the test cassette, respectively;
the X-ray emitter is used to emit an X-ray to the X-ray inlet, and the X-ray receiver is used to receive the X-ray emitted from the X-ray outlet;
and
a neutron imaging module, comprising a neutron beam receiver, wherein the neutron beam receiver is mounted on the moving base, and located at a rear side of the test cassette, and used to receive a neutron beam emitted from the neutron beam outlet.

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Abstract

Claims19