Plasma Nitriding of Inner Surface of Slender Tubes using Small Diameter Helicon Plasma.

Materials (Basel) · 2022 · PMC9821975 · PMID 36614650

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an increasing trendno p-value reported

An increasing trend in microhardness was observed in inductively coupled plasma (ICP) and HWP modes; however, the increase in HWP nitriding (up to HV 1820 with a thickness of 14 μm) was approximately 1.5 times greater than that achieved through ICP plasma nitriding.

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