Claims
- 1. A process for weld-bonding titanium comprising:
- A. applying a polyimide prepolymer adhesive in a predetermined pattern to the surface of at least two titanium plates whereby areas to be spot-welded are void of said adhesive;
- B. bringing said plates into contact with each other;
- C. spot-welding to join said plates; and
- D. heating said adhesive to effect cure of said adhesive and form a structurally strong weld-bonded layer.
- 2. A process according to claim 1 wherein aluminum powder filler is added to the polyimide adhesive.
- 3. A process according to claim 1 wherein fibrous reinforcing material is placed between said plates.
- 4. A process according to claim 1 wherein said adhesive is applied as a liquid.
- 5. A process according to claim 1 wherein said adhesive is a solid film.
Government Interests
The invention described herein was made in the performance of work under a NASA contract and is subject to the provisions of Section 305 of the National Aeronautics and Space Act of 1958, Public Law 85-568 (72 Stat. 435; 42 U.S.C. 2457).
US Referenced Citations (3)