Process for making a work piece having a major phase of .alpha. from a titanium alloy

Jiin-Huey Chern (Inventor), Chien-Ping Ju (Inventor)

Research output: Patent

Abstract

Quenching a work piece made of a titanium alloy having a temperature higher than 800.degree. C. to a temperature lower than 500.degree. C. at a cooling rate greater than 10.degree. C./second between 800.degree. C. and 500.degree. C. is used to render the cooled work piece containing .alpha." phase as a major phase. The titanium alloy composition contains at least one isomorphous beta stabilizing element selected from Mo, Nb, Ta and W; and the balance Ti, wherein said composition has a Mo equivalent value from about 6 to about 9. The work piece is preferably a medical device.
Original languageEnglish
Patent number6726787
Publication statusPublished - 2003 May 22

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Titanium alloys
Chemical analysis
Quenching
Cooling
Temperature

Cite this

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N2 - Quenching a work piece made of a titanium alloy having a temperature higher than 800.degree. C. to a temperature lower than 500.degree. C. at a cooling rate greater than 10.degree. C./second between 800.degree. C. and 500.degree. C. is used to render the cooled work piece containing .alpha." phase as a major phase. The titanium alloy composition contains at least one isomorphous beta stabilizing element selected from Mo, Nb, Ta and W; and the balance Ti, wherein said composition has a Mo equivalent value from about 6 to about 9. The work piece is preferably a medical device.

AB - Quenching a work piece made of a titanium alloy having a temperature higher than 800.degree. C. to a temperature lower than 500.degree. C. at a cooling rate greater than 10.degree. C./second between 800.degree. C. and 500.degree. C. is used to render the cooled work piece containing .alpha." phase as a major phase. The titanium alloy composition contains at least one isomorphous beta stabilizing element selected from Mo, Nb, Ta and W; and the balance Ti, wherein said composition has a Mo equivalent value from about 6 to about 9. The work piece is preferably a medical device.

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