Titanium aluminide intermetallic alloys with improved wear resistance

Qu, Jun; Lin, Hua-Tay; Blau, Peter J.; Sikka, Vinod K.

Title: Titanium aluminide intermetallic alloys with improved wear resistance

Patent · Tue Jul 08 00:00:00 EDT 2014

OSTI ID:1143632

Qu, Jun; Lin, Hua-Tay; Blau, Peter J.; Sikka, Vinod K.

The invention is directed to a method for producing a titanium aluminide intermetallic alloy composition having an improved wear resistance, the method comprising heating a titanium aluminide intermetallic alloy material in an oxygen-containing environment at a temperature and for a time sufficient to produce a top oxide layer and underlying oxygen-diffused layer, followed by removal of the top oxide layer such that the oxygen-diffused layer is exposed. The invention is also directed to the resulting oxygen-diffused titanium aluminide intermetallic alloy, as well as mechanical components or devices containing the improved alloy composition.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 8,771,439

Application Number:: 12/416,323

OSTI ID:: 1143632

Country of Publication:: United States

Language:: English

References (11)

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Oxidation protection method for titanium Tobin, Albert G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5672436 US Patent Document 5,672,436	patent	September 1997
Oxidation protection method for titanium Tobin, Albert G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5776266 US Patent Document 5,776,266	patent	July 1998
Surface-hardened titanium material, surface hardening method of titanium material, watchcase decoration article, and decoration article Ogasawara, Naoto; Kusano, Yasumasa; Itoh, Shinichi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6270914 US Patent Document 6,270,914	patent	August 2001
&agr;-Al2O3 and Ti2O3 protective coatings on aluminide substrates Alger, Donald L. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6599636 US Patent Document 6,599,636	patent	July 2003
Alpha Al2O3 and Ti2O3 protective coatings on aluminide substrates Alger, Donald L. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6933053 US Patent Document 6,933,053	patent	August 2005
Friction welding Yang, Nan; Chap-Cabrera, Jesus G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080000558 US Patent Application 11/479599; 20080000558	patent-application	January 2008
Oxygen diffusion enables anti-wear boundary film formation on titanium surfaces in zinc-dialkyl-dithiophosphate (ZDDP)-containing lubricants Qu, Jun; Blau, Peter J.; Howe, Jane Y. Scripta Materialia, Vol. 60, Issue 10, p. 886-889 https://doi.org/10.1016/j.scriptamat.2009.02.009	journal	May 2009
Processing and Applications of Intermetallic γ-TiAl-Based Alloys Clemens, H.; Kestler, H. Advanced Engineering Materials, Vol. 2, Issue 9 https://doi.org/10.1002/1527-2648(200009)2:9<551::AID-ADEM551>3.0.CO;2-U	journal	September 2000
Oxygen-diffused titanium as a candidate brake rotor material Qu, Jun; Blau, Peter J.; Jolly, Brian C. Wear, Vol. 267, Issue 5-8, p. 818-822 https://doi.org/10.1016/j.wear.2008.12.044	journal	June 2009

Cited By (1)

Titanium aluminide intermetallic alloys with improved wear resistance Qu, Jun; Lin, Hua-Tay; Blau, Peter J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8771439 US Patent Document 8,771,439	patent	July 2014

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