Claims
- 1. A directionally solidified eutectic article having at least one portion with a cellular microstructure and at least one further portion having a fully oriented fibrous microstructure.
- 2. An article as in claim 1 in the shape of a turbine blade with an airfoil section with a completely oriented fibrous microstructure and a root section with a cellular microstructure.
- 3. An article as in claim 2 wherein the completely oriented microstructure has an average degree of misalignment of less than about 5.degree. from the solidification axis and the cellular microstructure has an average degree of misalignment between about 6.degree. and 15.degree. from the solidification axis.
- 4. An article as in claim 3 composed of a nickel base superalloy eutectic.
Parent Case Info
This is a division of application Ser. No. 577,260, filed May 14, 1975, abandoned.
Government Interests
The invention described herein was made in the course of, or under a contract or subcontract thereunder with the Department of the Navy.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3939895 |
Sawyer |
Feb 1976 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
577260 |
May 1975 |
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