Shankar, M. Ravi and Rao, Balkrishna C. and Chandrasekar, Srinivasan and Compton, W. Dale and King, Alexander H. (2008) Thermally stable nanostructured materials from severe plastic deformation of precipitation-treatable Ni-based alloys. SCRIPTA MATERIALIA, 58 (8). pp. 675-678.
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We demonstrate a means of extending the temperature range for structural applications of nanomaterials through introduction of a dispersion of precipitates, whose thermal stability determines the temperature at which strength deteriorates. Precipitate-stabilized nanostructures created via severe plastic deformation of Inconel are shown to be stable even after heat treatment for 240 h at temperatures up to one-half of the melting point. This stability results from retention of both the fine microstructure and precipitate phases at high temperatures. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
|Uncontrolled Keywords:||nanostructure; precipitation; severe plastic deformation (SPD); thermal stability|
|Subjects:||Material Science > Functional and hybrid materials|
Engineering > Nanotechnology applications in mechanical engineering
Material Science > Soft materials
|Deposited On:||13 Apr 2010 09:01|
|Last Modified:||13 Apr 2010 09:01|
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