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High-temperature and high-pressure in-situ XRD testing device

A technology of high temperature and high pressure and testing equipment, which is applied in the direction of measuring equipment, instruments, scientific instruments, etc., to achieve the effect of convenient and fast fixed connection and positioning

Active Publication Date: 2021-06-29
北京中研环科科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

How to build an in-situ XRD characterization test device with both high-temperature and high-pressure environmental fields has become a huge obstacle that restricts researchers from further studying the characteristics of the system

Method used

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  • High-temperature and high-pressure in-situ XRD testing device
  • High-temperature and high-pressure in-situ XRD testing device
  • High-temperature and high-pressure in-situ XRD testing device

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] Such as Figure 1 to Figure 6 As shown, the high temperature and high pressure in-situ XRD test device includes a diffractometer connection mechanism 01, a housing, an installation cavity 04, a window 05, a first support mechanism 06, a pressing piece 07, a first sealing ring 08, a second sealing ring 09, Sample table 10, heat insulation mechanism 11, second support mecha...

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Abstract

The invention discloses a high-temperature and high-pressure in-situ XRD testing device, which relates to the technical field of in-situ characterization of material structure mechanisms and comprises a shell, a mounting cavity, a window, a sample table, a heating system and a high-pressure air inlet system, wherein a closed mounting cavity is formed in the shell; the window is fixedly connected with the shell; the window comprises a window main body, and the window main body is a hemispherical cover; the sample table is mounted in the mounting cavity, a sample groove is formed in the sample table, and the center of the sample groove is located at the sphere center of the window main body; the heating system is connected with the sample table; and the high-pressure air inlet system comprises an air inlet connector and an air outlet connector, and the air inlet connector and the air outlet connector are communicated with the mounting cavity. The device has the advantage that the in-situ XRD test function of a sample in a high-temperature and high-pressure environment is realized.

Description

technical field [0001] The invention relates to the technical field of in-situ characterization of material structure and mechanism, in particular to a high-temperature and high-pressure in-situ XRD testing device. Background technique [0002] In situ studies of materials under high pressure are crucial in many fields of research. Under dynamic conditions, in situ powder X-ray diffraction (XRD) can provide important insights into these systems, but only if an advanced sample environment is required. In previous studies, the design and development of many in-situ XRD test devices with temperature fields have been involved. For example, patent CN205991950U discloses an in-situ X-ray diffraction test sample platform, including a hot stage bottom plate, a ceramic heating plate, Outer cover, support feet, platform base, temperature control device, circulating water cooling device, heat the sample through the ceramic heating plate. In fact, the in-situ XRD test device with temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/207G01N23/20008G01N23/20033
CPCG01N23/207G01N23/20008G01N23/20033G01N2223/056G01N2223/1016G01N2223/3106G01N2223/3103
Inventor 黄伟峰陈兴范辉
Owner 北京中研环科科技有限公司
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