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Thermoviscoplastic response of Ti-15-3 under various loading conditionsMetal matrix composites (MMC's) are candidate materials for use in high temperature, high loading applications. In particular, an MMC consisting of a titanium alloy reinforced with silicon-carbide fibers is being considered for use on the National Aerospace Plane (NASP). Compared to other metals and metallic alloys, titanium alloys retain relatively high stiffness, strength, and corrosion resistance at elevated temperatures. However, above roughly 316 C titanium exhibits a significant thermoviscoplastic (creep) response. Since the temperatures encountered in many regions of the NASP are expected to exceed 316 C, the potential thermoviscoplastic behavior of titanium-based MMC's at elevated temperatures must be thoroughly investigated.
Document ID
19920002173
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tuttle, M. E. (Washington Univ. Seattle, WA, United States)
Rogacki, J. (Washington Univ. Seattle, WA, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1991
Subject Category
Structural Mechanics
Report/Patent Number
NASA-CR-187621
NAS 1.26:187621
Accession Number
92N11391
Funding Number(s)
PROJECT: RTOP 505-63-50-04
CONTRACT_GRANT: NAG1-974
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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