SURFACE PROTECTION OF GAMMA AND ALPHA-2 TITANIUM ALUMINIDES BY ION IMPLANTATION
Assignee
Rockwell International
Filed as: ROCKWELL INTERNATIONAL CORPORATION
Filed
Jul 1, 1991
Granted
Dec 9, 1997
Location
El Segundo CA (Aerospace Corp/TRW)
Abstract
A process invention for protecting alpha-2 and gamma titanium aluminide alloy specimens subjected to high temperature oxidation comprises providing an ion beam having an energy range from about 100 keV to about 170 keV. The ion beam incorporates an elemental species capable of promoting alumina formation. The ion beam is exposed to the specimen so as to implant a dose in a range from about 2×1016 to about 8×lO17 ions/cm2 for a sufficient time period to form a surface alloy of the elemental species and titanium aluminide near the surface of the specimen.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jun 16, 1993
Rescinded
Apr 9, 1997
Duration
3 years, 9 months
Inventor
- 1HODA SHALABY
Sensitive facility: El Segundo CA (Aerospace Corp/TRW)
Record Details
- Patent number
- US 5695827
- Application
- 07724081
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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