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Microstructures of two-phase Ti{endash}Cr alloys containing the TiCr{sub 2} Laves phase intermetallic

Journal Article · · Journal of Materials Research
; ;  [1]
  1. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
Microstructures of two-phase Ti{endash}Cr alloys (Ti-rich bcc+TiCr{sub 2} and Cr-rich bcc+TiCr{sub 2}) are analyzed. A variety of TiCr{sub 2} precipitate morphologies is encountered with different nominal alloy compositions and annealing temperatures. Lattice constants and crystal structures are determined by x-ray diffraction (XRD) and transmission electron microscopy (TEM). Orientation relationships between the beta bcc solid solution and C15 TiCr{sub 2} Laves phase are understood in terms of geometrical packing, and are consistent with a Laves phase growth mechanism involving twinning. {copyright} {ital 1997 Materials Research Society.}
DOE Contract Number:
FG02-90ER45426
OSTI ID:
508979
Journal Information:
Journal of Materials Research, Journal Name: Journal of Materials Research Journal Issue: 6 Vol. 12; ISSN JMREEE; ISSN 0884-2914
Country of Publication:
United States
Language:
English