A test method for sodium-stainless steel oxidation corrosion coupon preparation

By employing a wire mesh wick and container design made of the same material in the preparation of sodium-stainless steel oxidation corrosion samples, combined with double sealing tests and an inert gas environment, the problems of sealing and simulation realism were solved, and efficient and accurate experimental data acquisition was achieved.

CN122149962APending Publication Date: 2026-06-05CHONGQING UNIV +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING UNIV
Filing Date
2026-04-30
Publication Date
2026-06-05

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Abstract

The application discloses a kind of sodium-stainless steel oxidation corrosion sample preparation test method, it is related to sample preparation method technical field, comprising the following steps: S1.design and manufacture experimental ontology: wire mesh liquid absorbing core, metal sample and sample container itself are made of same material;S2.experimental ontology double sealing test: respectively to the sealing test of the pressure container and sample container that have been made;S3.material is filled in sample container: different sample container is respectively placed in different oxygen content liquid sodium, different metal sample, different wire mesh liquid absorbing core mesh array combination material, contains 18 different experimental combinations;S4.carries out high-temperature liquid sodium-stainless steel oxidation corrosion experiment;S6.comparative analysis different corrosion metal sample performance.The application experimental condition is flexible, single acquisition sample quantity efficiency is high, experimental method has high sealing reliability, metal sample will not be interfered by other materials, wire mesh liquid absorbing core design and arrangement are reasonable, method is completely repeatable and so on.
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