Open-hole thickened metal foil heating body for neutron scattering experiment

By optimizing the design of the perforated and thickened metal foil heating element, the problem of traditional heating elements being easily damaged at high temperatures has been solved, achieving an efficient and stable ultra-high temperature sample environment and providing more accurate and safer data for neutron scattering experiments.

CN223928461UActive Publication Date: 2026-02-17DONGGUAN UNIV OF TECH +2
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Patent Information

Application Number
CN202423134450.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-02-17
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Traditional metal foil heating elements are prone to damage under high temperatures and frequent cyclic operation, resulting in decreased heating efficiency and shortened service life, which affects the accuracy and precision of neutron scattering experiments.

Method used

A perforated thickened metal foil heating element was designed, which adopts a double-layer niobium foil structure with a key-shaped hole in the middle. Combined with a niobium ring and a ceramic cap, the current path is optimized, the structural strength is enhanced, and a neutron beam channel is provided. High-temperature resistant materials are used to reduce the experimental background.

Benefits of technology

It improves heating efficiency and temperature uniformity, extends service life, reduces experimental background noise, and ensures the accuracy and safety of neutron scattering experiment data.

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Abstract

The utility model relates to the technical field of neutron scattering experiments, in particular to a perforated thickened metal foil heating body for a neutron scattering experiment. Comprising a first electrode plate, a second electrode plate, a niobium tube cover, a ceramic tube sleeve, niobium foil, a niobium ring and a ceramic cover, wherein the niobium tube cover is in the shape of a vertical sleeve, and a first electrode plate is welded to the top of the niobium tube cover; the second electrode plate is arranged on the periphery of the niobium tube cover in a sleeving manner, is positioned below the first electrode plate and is connected with the first electrode plate through a bolt; a ceramic tube sleeve is arranged between the first electrode plate and the second electrode plate; a niobium foil is welded on the inner surface of the niobium tube cover, and a niobium ring is welded at the bottom of the niobium foil; the bottom of the niobium ring is connected with a ceramic cover through a bolt; the heating body aims to provide an ultrahigh-temperature sample environment, and meets the urgent demand of neutron scattering experiments on high-performance heat source equipment by optimizing the structural design, lowering the experimental background, improving the heating efficiency and prolonging the service life.
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