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Oxidation behavior of cubic phases formed by alloying Al3Ti with Cr and MnGravimetric, SEM, and XRD data are presented which document the significant improvement obtainable in the oxidation resistance of Al3Ti-containing alloys through additions of Cr. The L1(2) Al(67)Cr(8)Ti25 alloy exhibited excellent cyclic oxidation resistance at 1473 K, with the primary oxide formed being the ideally protective alpha-Al2O3. The Al(67)Mn(8)Ti(25) alloy also tested for comparison exhibited poor cyclic oxidation resistance, with substantial occurrence of TiO2 in the protective scales. Catastrophic oxidation was also encountered in the quaternary alloy Al(67)Mn(8)Ti(22)V(3).
Document ID
19910043226
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0956-716X(91)90123-I
Authors
Parfitt, L. J. (Michigan Technological Univ. Houghton, MI, United States)
Nic, J. P. (Michigan Technological Univ. Houghton, MI, United States)
Mikkola, D. E. (Michigan Technological University Houghton, United States)
Smialek, J. L. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1991
Publication Information
Publication: Scripta Metallurgica et Materialia
Volume: 25
ISSN: 0956-716X
Subject Category
Metallic Materials
Accession Number
91A27849
Distribution Limits
Public
Copyright
Other

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