Infrared transient-liquid-phase joining of SCS-6/{beta}21S titanium matrix composite

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Description

Fiber-reinforced titanium matrix composites (TMCs) are among the advanced materials being considered for use in the aerospace industry due to their light weight, high strength, and high modulus. A rapid infrared joining process has been developed for the joining of composites and advanced materials. Rapid infrared joining has been shown not to have many of the problems associated with conventional joining methods. Two models were utilized to predict the joint evolution and fiber reaction zone growth. TMC, 16-ply SCS-6/{beta}21S, has been successfully joined with total processing times of under 2 min utilizing the rapid infrared joining technique. The process utilizes ... continued below

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18 p.

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Blue, C.A.; Sikka, V.K.; Blue, R.A. & Lin, R.Y. February 1, 1996.

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  • Blue, C.A.
  • Sikka, V.K. Oak Ridge National Lab., TN (United States). Materials Processing Group
  • Blue, R.A.
  • Lin, R.Y. Univ. of Cincinnati, OH (United States). Dept. of Materials Science and Engineering

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Description

Fiber-reinforced titanium matrix composites (TMCs) are among the advanced materials being considered for use in the aerospace industry due to their light weight, high strength, and high modulus. A rapid infrared joining process has been developed for the joining of composites and advanced materials. Rapid infrared joining has been shown not to have many of the problems associated with conventional joining methods. Two models were utilized to predict the joint evolution and fiber reaction zone growth. TMC, 16-ply SCS-6/{beta}21S, has been successfully joined with total processing times of under 2 min utilizing the rapid infrared joining technique. The process utilizes a 50 C/sec ramping rate, 17-{micro}m Ti-15Cu-15Ni wt % filler material between the faying surfaces; a joining temperature of 1,100 C; and 120 sec of time to join the composite material. Joint shear strength testing of the rapid infrared joints at temperatures as high as 800 C has revealed no joint failures. Also, due to the rapid cooling of the process, no poststabilization of the matrix material is necessary to prevent the formation of a brittle omega phase during subsequent use of the TMC at intermediate temperatures, 270 to 430 C, for up to 20 h.

Physical Description

18 p.

Notes

OSTI as DE96005743

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  • Composites manufacturing and tooling conference, Anaheim, CA (United States), 22 Jan - 24 Feb 1996

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  • Other: DE96005743
  • Report No.: CONF-960160--1
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 195653
  • Archival Resource Key: ark:/67531/metadc665638

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Aug. 8, 2016, 8:45 p.m.

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Blue, C.A.; Sikka, V.K.; Blue, R.A. & Lin, R.Y. Infrared transient-liquid-phase joining of SCS-6/{beta}21S titanium matrix composite, article, February 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc665638/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.