Small-angle-X-ray-scattering and wide-angle-X-ray-scattering synchronous in-situ measurement heating furnace
An in-situ measurement, X-ray technology, used in measurement devices, material analysis using wave/particle radiation, instruments, etc., can solve problems such as the inability to achieve SAXS & WAXS synchronous measurement, reduce errors, improve accuracy, and reduce air paths. Effect
Inactive Publication Date: 2019-04-26
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology
[0003] The purpose of the present invention is to provide a small-angle and wide-angle X-ray scattering synchronous in-situ measurement heating furnace to solve the problem that the existing equipment cannot realize the simultaneous measurement of SAXS & WAXS samples in a high-temperature environment
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[0028] Such as figure 1 , 2 , 3, 6, 7, and 9, a specific embodiment of a small-angle and wide-angle X-ray scattering synchronous in-situ measurement heating furnace includes a shell 1, and the shell is processed by six surface-oxidized aluminum alloy plates. In the shell, the front and rear ends are clamped and fixed with a cylindrical furnace core 2 by a heat shield, and the furnace core is made of red copper, which has good thermal conductivity. The shell 1 and the furnace core 2 are transversely penetrated by a light hole 4, and the light hole also penetrates the heat shield at the passing position for passing X-rays. The light passing hole 4 includes a straight tube 401 on the light-incoming side and a diverging part 402 on the light-outgoing side. The longitudinal section of the diverging part 402 along the axis of the straight tube 401 is fan-shaped, and the diverging part 402 is perpendicular to the The longitudinal section of the axis of the straight cylinder 401 is ...
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Abstract
The invention discloses a small-angle-X-ray-scattering and wide-angle-X-ray-scattering synchronous in-situ measurement heating furnace. The small-angle-X-ray-scattering and wide-angle-X-ray-scatteringsynchronous in-situ measurement heating furnace comprises a shell, a furnace core arranged in the shell and a heating device for heating the furnace core; the shell and the furnace core transverselypenetrate through a light passing hole, the light passing hole comprises a straight drum part located on the light inlet side and a diverging part located on the light outlet side, and the longitudinal section of the diverging part in the axis of the straight drum part is flabellate; a sample frame for clamping a sample is fixed in the straight drum part; a gas guide bolt is arranged on the side,located on the straight drum part, of the shell, a light transmitting hole communicated with the straight drum part is formed in the gas guide bolt, and a gas guide hole communicated with the light transmitting hole is formed in the side wall of the gas guide bolt. By means of the small-angle-X-ray-scattering and wide-angle-X-ray-scattering synchronous in-situ measurement heating furnace, synchronous measurement of small-angle X-ray scattering and wide-angle X-ray scattering can be completed, errors of separation measurement are reduced, and the data accuracy is improved to a great degree.
Description
technical field [0001] The invention relates to the field of in-situ measurement heating furnaces, in particular to a small-angle and wide-angle X-ray scattering synchronous in-situ measurement heating furnace. Background technique [0002] Small angle X-ray scattering (SAXS, general scattering angle<5°) method can measure geometric structure information such as shape, size, distribution and orientation of substances on the nanoscale, while wide-angle X-ray scattering (Wide- angle X-ray scattering, WAXS, general scattering angle > 5°) can measure the ordered (crystal) structure of matter on the atomic and molecular scale. For the material structure change process under high temperature conditions such as coal carbonization, it is difficult to realize the simultaneous in situ measurement of SAXS and WAXS at high temperature due to the lack of suitable high temperature furnaces. Therefore, there is an urgent need for a SAXS and WAXS simultaneous in-situ measurement heat...
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Login to View More IPC IPC(8): G01N23/201G01N23/20008
CPCG01N23/20008G01N23/201
Inventor 李振中李志宏李东风巩雁军谢飞董丽丽张淑娇吕宝亮
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI