Effect of stacking fault energy on strength and ductility of nanostructured alloys: an evaluation with minimum solution hardening
Sun, P-L., Zhao, Y.H., Cooley, J.C., Kassner, M.E., Horita, Z., Langdon, T.G., Lavernia, E.J and Zhu, Y.T. (2009) Effect of stacking fault energy on strength and ductility of nanostructured alloys: an evaluation with minimum solution hardening. Materials Science and Engineering: A, 525, (1-2), 83-86. (doi:10.1016/j.msea.2009.06.030).
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Description/Abstract
The effect of stacking fault energy (SFE) on the mechanical properties was investigated in Ni–Co alloys which have minimum solution hardening effects. Cobalt reduces the SFE in nickel and this promotes grain refinement during processing and increases the dislocation and twin densities. A reduction in SFE increases strength and tensile ductility. The higher strength is due to grain refinement and higher dislocation and pre-existing twin densities whereas the higher ductility is attributed to a higher work hardening rate.
| Item Type: | Article |
|---|---|
| Related URLs: | |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering |
| Item ID: | 72352 |
| Date Deposited: | 10 Feb 2010 |
| Last Modified: | 02 Mar 2012 13:35 |
| Contributors: | Sun, P-L. (Author) Zhao, Y.H. (Author) Cooley, J.C. (Author) Kassner, M.E. (Author) Horita, Z. (Author) Langdon, T.G. (Author) Lavernia, E.J (Author) Zhu, Y.T. (Author) |
| Date: | 2009 |
| Status: | Published |
| Contact Email Address: | plsun@fcu.edu.tw |
| URI: | http://eprints.soton.ac.uk/id/eprint/72352 |
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