Skip to main content Accessibility help

Processing Map and Flow Localization of a TiAl/TiB2 XD® Composite*

  • D. Zhao (a1), P. K. Chaudhury (a1), M. Thirukkonda (a1) and J. J. Valencia (a1)


Isothermal compression tests were conducted on a particulate reinforced Ti-44Al–3V+7.5v/o TiB2 composite produced by the XD® process over wide ranges of temperatures and strain rates, 1050 to 1300 C and 0.001 to 1.0 s-1, respectively. Flow localization parameter analysis was performed to analyze the flow behavior of the composite under various processing conditions, and the results were compared to those by dynamic material modeling. Microstructural characterization was also conducted to correlate the flow behavior with post-deformation microstructures. With combined information on flow behavior and microstructures, the processing condition for relatively stable flow and uniform microstructure was determined to be 1300 C and 0.01 to 0.1 s-1.



Hide All

This work was conducted by the National Center for Excellence in Metalworking Technology, operated by Concurrent Technologies Corporation, under contract to the U.S. Navy as a part of the U.S. Navy Manufacturing Technology Program.


XD is a registered trademark of Martin Marietta, Baltimore, MD.



Hide All
1. Kampe, S.L., Bryant, J.D., and Cristodoulou, L., Metall. Trans A, 22A, 447 (1991).
2. Kampe, S.L., and Cristodoulou, L., presented at TMS Fall Meeting, Cincinnati, OH, 1991 (unpublished).
3. Rothenflue, L., Szaruga, A., and Lipsitt, H.A., presented at TMS Fall Meeting, Cincinnati, OH, 1991 (unpublished).
4. Anand, K.G., Zhao, D., Valencia, J.J., and Wolff, S.J., in Application of Mechanics and Material Models to Design and Processing III, edited by Russell, E. S. (TMS, Warrendale, PA, 1992) pp. 5771.
5. Prasad, Y.V.R.K., et al. , “Modeling of Dynamic Material Behavior in Hot Deformation: Forging of Ti-6242”, Metall. Trans. A, 15A, 1883 (1984).
6. Gegel, H.L., Malas, J.C., Doraivelu, S.M., and Shede, V.A., in Metals Handbook, Vol. 14, (ASM International, Metals Park, OH, 1988), pp. 417438.
7. Bryant, J.D., Adams, M.L., Barrett, A.R.H., Clarke, J.A., Gaskin, G.B., Christodoulou, L., and Brupbacher, J., NASP Contractor Report 1095, Martin Marietta Laboratories, 1990.
8. Semiatin, S.L. and Jonas, J.J., Formability and Workability of Metals (ASM International, Metals Park, OH, 1984) p. 43.
9. Chaudhury, P.K. and Rack, H.J., Scripta Metall. et Mat., 26, 691 (1992).
10. Chaudhury, P.K. (unpublished research).
11. Chaudhury, P.K., Long, M. and Rack, H.J., Mater. Sci. Eng., A152, 37 (1992).
12. Feng, C.R., Michel, D.J. and Crowe, C.R., Scripta Metall. et Mat., 24, 1297 (1990).
13. Huang, S.C. and Siemers, P.A., Metall. Trans. A, 20A, 1899 (1989).
14. Thirukkonda, M., Chaudhury, P.K., Zhao, D., and Valencia, J.J., Harold Margolin Symp. on Micro./Prop. Rela. of Ti Alloys, TMS Spring Meeting, San Francisco, CA, 1994.


Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed