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Mechanisms of isothermal phase transformations in rapidly solidified Ti-24Al-11NbA dynamic simulation for the motion of an isolated superdislocation (SD) under an applied stress is presented. The simulation incorporates the concept that cross slip from (111) planes to (010) planes can locally pin the SD. It is determined that the principal effect of cross-slip-pinning is not the reduction in the SD velocity, but rather the exhaustion of the density of mobile SDs.
Document ID
19930027765
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0956-7151(92)90467-S
Authors
Hsiung, L. M. (NASA Headquarters Washington, DC United States)
Cai, W. (NASA Headquarters Washington, DC United States)
Wadley, H. N. G. (Virginia Univ. Charlottesville, United States)
Date Acquired
August 15, 2013
Publication Date
November 1, 1992
Publication Information
Publication: Acta Metallurgica et Materialia
Volume: 40
Issue: 11
ISSN: 0956-7151
Subject Category
Metallic Materials
Accession Number
93A11762
Funding Number(s)
CONTRACT_GRANT: NAGW-1692
Distribution Limits
Public
Copyright
Other

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