Abstract
The ψ-TiAl-based alloys are potentially very attractive low-density materials for use at elevated temperatures. In this article, a novel method of controlling the grain size of these alloys using mechanical alloying and hot isostatic pressing is presented.
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F.H. Froes, C. Suryanarayana, and D. Eliezer, ISIJ International, 31 (1991), p. 1235; also F.H. Froes, C. Suryanarayana, and D. Eliezer J. Mater. Engr. (4) (1991) p. 1 (in Chinese).
F.H. Froes, J. Material Science Technology, 10 (1994), p. 1.
F.H. Froesand C. Suryanarayana, “Titanium Aluminides,” Physical Metallurgy and Processing of Intennetallic Compounds, ed. V.K. Sikka and N. Stoloff (New York: Van Nostrand Reinhold, 1995), p. 297.
R.S. Mishr et al., “Flow Behavior of a Mechanically Alloyed and HIPed Nanocrystalline ψ-TiAl,” Advances in the Science and Technology of Titanium Alloy Processing, ed. I. Weiss et al. (Warrendale, PA: TMS, to be published).
N. Hoo et al., Eighth International Titanium Conference, ed. P. Blenkinsop et al., to be published by the Inst. of Materials.
F.H. Froes et al., Int. Conf. on Novel Techniques in Synthesis and Processing of Advanced Materials, ed. J. Singh and S.M. Copley (Warrendale, PA: TMS, 1995), p. 1.
F.H. Froes et al., Third Int. Conf., on High Temperature Intermetallics, ed. D.P. Pope, C.T. Liu, and S.H. Whang (Amsterdam, Netherlands, Elsevier Pub., 1995), p. 612.
F.H. Froes and C.M. Ward-Close, “Advanced Materials in Automobiles,” Thai Advanced Materials Conference Proceedings (to be published).
F.H. Froes, C. Suryanarayana, and C.M. Ward-Close, Synthesis/Processing of Lightweight Metallic Materials, ed. F.H. Froes, C. Suryanarayana, and C.M. Ward-Close (Warrendale, PA: TMS, 1995), p. 3.
F.H. Froes et al., P/M in Aerospace, Defense and Demanding Applications—1995, ed. F.H. Froes (Princeton, NJ: MPIF, 1995), p. 3.
C.M. Adam and R.E. Lewis, Rapidly Solidified Crystalline Alloys, ed. S.K. Das et al. (Warrendale, PA: TMS, 1985), p. 157.
J. Hebeisen et al., P/M in Aerospace, Defense and Demanding Applications—1995, ed. F.H. Froes (Princeton, NJ: MPIF, 1995), p. 363.
F.H. Froes et al., “Compaction of Nanograined Gamma Titanium Aluminide,” 1995 International Conference and Exhibition on Powder Metallurgy and Particulate Materials (Princeton, NJ: MPIF, 1996).
J. Hebeisen et al, “Hot Isostatic Pressing of Nanostructured ψ-TiAl Powders,” Accepted for publication in Metals and Materials, Korea (1996).
F.H. Froes et al., “Processing of Nanostructural Gamma TiAl by Mechanical Alloying and Hot Isostatic Pressing,” Physical Metallurgy and Processing of Intermetallic Compounds, ed. V.K. Sikka and N. Stoloff (New York: Van Nostrand Reinhold, 1995).
N. Hoo et al, “Synthesis of Gamma Titanium Aluminides by Mechanical Milling and Hot Isostatic Pressing,” Hot Isostatic Pressing ′96, ed. F.H. Froes, R. Widmer, and J. Hebeisen (Materials Park, OH, ASM International, in press).
M.L. Öveçoglu ct al., “Grain Growth Behavior of Nanograined Gamma TiAl Compacted by Hot Isostatic Pressing,” Hot Isostatic Pressing ′96, ed. F.H. Froes, R. Widmer, and J. Hebeisen (Materials Park, OH, ASM International, in press).
F.H. Froes, R. Widmer, and J. Hebeisen, “Hot Isostatic Pressing of Titanium Based Materials,” Hot Isostatic Pressing ′96, ed. F.H. Froes, R. Widmer, and J. Hebeisen (Materials Park, OH, ASM International, in press).
M. Oehring et al., Mats. Sci. For., 179-181 (1995), p. 435.
N. Hoo et al., work in progress, University of Idaho and University of Surrey, U.K. (1996).
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Hoo, N., Goodwin, P.S., Brydson, R.M. et al. Microstructural control in a gamma-TiAl alloy by MA and HIPing. JOM 48, 40–41 (1996). https://doi.org/10.1007/BF03222996
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DOI: https://doi.org/10.1007/BF03222996