Effect of hardening and sealing on color of chemically colored stainless steel.

Sci Rep · 2020 · PMC7419505 · PMID 32782310

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an increasing trendno p-value reported

It can be seen that the brightness of sealed samples have an increasing trend, which dues to the increasing of the reflectance caused by the increase of the film density and the increase of the film flatness in sealing process 20 .

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