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公开(公告)号：US11662282B2
公开(公告)日：2023-05-30
申请号：US17385206
申请日：2021-07-26
Applicant: Beijing Institute of Technology
Inventor： Daining Fang , Zhaoliang Qu , Rongqi Zhu , Shuo Yang
CPC classification number: G01N3/06 , G01N3/18 , G01N2203/0016 , G01N2203/0647
Abstract: A high-temperature in-situ loaded computed tomography (CT) testing system based on a laboratory X-ray source and a method therefor are provided. A dynamic sealing device is adopted. A pull-up pressure rod and a pull-down pressure rod are allowed to rotate circumferentially and move axially. Meanwhile, a high-temperature furnace is fixed without rotating or moving, such that the high-temperature furnace is flat in an imaging direction to shorten an imaging distance and improve imaging quality. An independent tensile testing machine is utilized to achieve high-load loading. The in-situ measurement of internal deformation and damage information of a specimen under tensile or compressive load in a high-temperature environment is implemented. By taking advantage of the miniaturization design of the high-temperature device, the accuracy of the damage test using the laboratory X-ray source is increased. Tests and researches on the internal damage and failure behavior of the high-temperature materials can be conducted.
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公开(公告)号：US20220074835A1
公开(公告)日：2022-03-10
申请号：US17385206
申请日：2021-07-26
Applicant: Beijing Institute of Technology
Inventor： Daining Fang , Zhaoliang Qu , Rongqi Zhu , Shuo Yang
Abstract: A high-temperature in-situ loaded computed tomography (CT) testing system based on a laboratory X-ray source and a method therefor are provided. A dynamic sealing device is adopted. A pull-up pressure rod and a pull-down pressure rod are allowed to rotate circumferentially and move axially. Meanwhile, a high-temperature furnace is fixed without rotating or moving, such that the high-temperature furnace is flat in an imaging direction to shorten an imaging distance and improve imaging quality. An independent tensile testing machine is utilized to achieve high-load loading. The in-situ measurement of internal deformation and damage information of a specimen under tensile or compressive load in a high-temperature environment is implemented. By taking advantage of the miniaturization design of the high-temperature device, the accuracy of the damage test using the laboratory X-ray source is increased. Tests and researches on the internal damage and failure behavior of the high-temperature materials can be conducted.
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