METAL MATERIAL FOR STORAGE CONTAINER FOR HIGH-PURITY HYDROGEN FLUORIDE, HAVING IMPROVED SCRATCH RESISTANCE, AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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Issued Date -
Feb 15, 2024
app pub date -
Apr 20, 2021
filing date -
Dec 21, 2020
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Abstract
The present disclosure relates to a metal material for a container for storing high-purity hydrogen fluoride, and to a manufacturing method therefor. Specifically, the disclosure relates to a metal material for a container for storing high-purity hydrogen fluoride, and a manufacturing method therefor. The metal material includes a graphite layer on the surface of a metal substance, and nickel fluoride films formed in structural defect spaces within the graphite layer, so that corrosion resistance and scratch resistance are improved, and thus high-purity hydrogen fluoride, which is a corrosive gas, can be stored and transferred without being contaminated.
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