A case hardened component of titanium

Thomas Lundin Christiansen; Morten Stendahl Jellesen; Marcel A. J. Somers; Niklas Brinckman Gammeltoft-Hansen

A case hardened component of titanium

Thomas Lundin Christiansen (Inventor), Morten Stendahl Jellesen (Inventor), Marcel A. J. Somers (Inventor), Niklas Brinckman Gammeltoft-Hansen (Inventor)

Technical University of Denmark

Research output: Patent

Abstract

The present invention relates to a case hardened component of a titanium alloy, the component having a diffusion zone of a thickness of at least 50 μιτι, as calculated from the surface of the component, the diffusion zone comprising oxygen and carbon in solid solution and having a distinct phase of a carbo-oxide compound having the composition TiOxC1-x, wherein x is a number in the range of 0.01 to 0.99, which diffusion zone has a microhardness of at least 800 HV0.025 and which carbo-oxide compound has a microhardness of at least 1200 HV0.025. In another aspect the invention relates to a method of producing the case hardened component. In a further aspect the invention relates to a method of oxidising a component of a Group IV metal.

Original language	English
IPC	C23C8/34
Patent number	WO2017207794
Filing date	07/12/2017
Country/Territory	International Bureau of the World Intellectual Property Organization (WIPO)
Priority date	02/06/2016
Priority number	EP20160172699
Publication status	Published - 2 Jun 2017

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title = "A case hardened component of titanium",

abstract = "The present invention relates to a case hardened component of a titanium alloy, the component having a diffusion zone of a thickness of at least 50 μιτι, as calculated from the surface of the component, the diffusion zone comprising oxygen and carbon in solid solution and having a distinct phase of a carbo-oxide compound having the composition TiOxC1-x, wherein x is a number in the range of 0.01 to 0.99, which diffusion zone has a microhardness of at least 800 HV0.025 and which carbo-oxide compound has a microhardness of at least 1200 HV0.025. In another aspect the invention relates to a method of producing the case hardened component. In a further aspect the invention relates to a method of oxidising a component of a Group IV metal.",

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AU - Christiansen, Thomas Lundin

AU - Jellesen, Morten Stendahl

AU - Somers, Marcel A. J.

AU - Gammeltoft-Hansen, Niklas Brinckman

PY - 2017/6/2

Y1 - 2017/6/2

N2 - The present invention relates to a case hardened component of a titanium alloy, the component having a diffusion zone of a thickness of at least 50 μιτι, as calculated from the surface of the component, the diffusion zone comprising oxygen and carbon in solid solution and having a distinct phase of a carbo-oxide compound having the composition TiOxC1-x, wherein x is a number in the range of 0.01 to 0.99, which diffusion zone has a microhardness of at least 800 HV0.025 and which carbo-oxide compound has a microhardness of at least 1200 HV0.025. In another aspect the invention relates to a method of producing the case hardened component. In a further aspect the invention relates to a method of oxidising a component of a Group IV metal.

AB - The present invention relates to a case hardened component of a titanium alloy, the component having a diffusion zone of a thickness of at least 50 μιτι, as calculated from the surface of the component, the diffusion zone comprising oxygen and carbon in solid solution and having a distinct phase of a carbo-oxide compound having the composition TiOxC1-x, wherein x is a number in the range of 0.01 to 0.99, which diffusion zone has a microhardness of at least 800 HV0.025 and which carbo-oxide compound has a microhardness of at least 1200 HV0.025. In another aspect the invention relates to a method of producing the case hardened component. In a further aspect the invention relates to a method of oxidising a component of a Group IV metal.

M3 - Patent

M1 - WO2017207794

Y2 - 2017/12/07

ER -

A case hardened component of titanium

Abstract

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