U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method of fabricating titanium alloy matrix composite materials

Patent 3991928 Issued on November 16, 1976. Estimated Expiration Date: Icon_subject November 16, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3471270

3717443

3748721

Inventors

Application

No. 499641 filed on 08/22/1974

US Classes:

228/190, Of concurrently bonded stacked laminae228/193, Diffusion type228/262.2, Nonmetal work component without metallic filler228/262.71Titanium or zirconium member

Examiners

Primary: Smith, Al Lawrence
Assistant: Ramsey, K. J.

Attorney, Agent or Firm

Abstract

Fiber-reinforced titanium alloy composite materials and their manufacture are disclosed. Beta-titaium alloy foils are alternated with arrays or silicon carbide coated boron fibers and consolidated at a pressure of at least 22 ksi within the temperature range of 1250°-1275° F.

Other References

  • Kreider (Editor), Composite Materials, vol. 4, Sept. 1974, Academic Press, Inc., New York, N.Y. pp. 282-283, 304, 315
  • Hamilton, "Diffusion Bonded Titaium-Borsic Composites" Journal of Metals, Mar. 1969, p. 25A
  • Hamilton, "Development of Ti-6Al-4V Borsic Composites", Metal Maxtrix Composites - Symposium of the Metallurgical, Soc. of AIME, pp. 33-37, May 12-13,1969, B.M.I. Columbus, Ohio, N.T.I.S. AD695046
  • Collins, "Properties & Fracture Modes of Borsic-Ti". N.T.I.S. publication no. AD-776, 793, pp. 1-6, 5/31/74
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