CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS

United States of America Patent

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Issued Date
Jan 23, 2025
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Sep 25, 2024
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Sep 25, 2024

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Abstract

A method for treating a workpiece made from a self-passivating metal and having a Beilby layer is disclosed. The method comprises exposing the workpiece to the vapors produced by heating a reagent having a guanidine [HNC(NH₂)₂] moiety and complexed with HCl to activate the workpiece for low temperature interstitial surface hardening.

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SWAGELOK COMPANY	29500 SOLON ROAD SOLON OH 44139

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Inventor Name	Address	# of filed Patents	Total Citations
Illing, Cyprian Adair William	Cleveland Heights, US	6	3
Johns, Todd	Solon, US	4	2
Semkow, Christina	University Heights, US	9	15
Williams, Peter C	Cleveland Heights, US	193	3596

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CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS

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United States of America Patent

18895619

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18895619

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