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Title: Hardface coating systems and methods for metal alloys and other materials for wear and corrosion resistant applications

Patent ·
OSTI ID:1453867
 [1]
  1. Oak Ridge Y-12 Plant (Y-12), Oak Ridge, TN (United States)
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The present disclosure relates generally to hardface coating systems and methods for metal alloys and other materials for wear and corrosion resistant applications. More specifically, the present disclosure relates to hardface coatings that include a network of titanium monoboride (TiB) needles or whiskers in a matrix, which are formed from titanium (Ti) and titanium diboride (TiB2) precursors by reactions enabled by the inherent energy provided by the process heat associated with coating deposition and, optionally, coating post-heat treatment. These hardface coatings are pyrophoric, thereby generating further reaction energy internally, and may be applied in a functionally graded manner. The hardface coatings may be deposited in the presence of a number of fluxing agents, beta stabilizers, densification aids, diffusional aids, and multimode particle size distributions to further enhance their performance characteristics.

Research Organization:
Oak Ridge Y-12 Plant (Y-12), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
NA0001942
Assignee:
Consolidated Nuclear Security, LLC (Oak Ridge, TN)
Patent Number(s):
9,982,332
Application Number:
14/797,344
OSTI ID:
1453867
Resource Relation:
Patent File Date: 2015 Jul 13
Country of Publication:
United States
Language:
English

References (12)

Condensed phase conversion and growth of nanorods instead of from vapor patent August 2005
Condensed phase conversion and growth of nanorods and other materials instead of from vapor patent October 2010
TiB.sub.2 -based materials and process of producing the same patent June 1987
Titanium boride coatings on titanium surfaces and associated methods patent-application September 2005
Wear-resistant coating and method for applying it patent-application October 2003
Nanorods and other materials from condensed phase conversion and growth instead of from vapor patent-application May 2006
Multilayered slant-angle thin film energy detector patent February 1978
Composite vapour deposited coatings and process therefor patent-application August 2002
Metastable beta-titanium alloys and methods of processing the same by direct aging patent-application November 2005
Structural element and method for producing the same patent-application June 2008
Toughened and Corrosion- and Wear-Resistant Composite Structures and Fabrication Methods Thereof patent-application November 2009
Method for forming an abrasive surface on a tool patent December 1999

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Related Subjects

36 MATERIALS SCIENCE