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Type Kolli, R.Prakash; Seidman, David N.
  Publication Coarsening kinetics of Cu-rich precipitates in a concentrated multicomponent Fe–Cu based steel Volume Journal Article
Pages 2011
  Abstract International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde)  
  Corporate Author  
Publisher 102  
Editor 09
  Summary Language 1115-1124 Series Editor Coarsening, Phase separation, Fe-Cu alloys, Atom-probe tomography, Precipitation  
Abbreviated Series Title The coarsening kinetics of Cu-rich precipitates in a concentrated multicomponent Fe–Cu based steel, containing 1.12 at.% Cu, aged at 550 °C or at 550 °C plus 2 h at 200 °C is investigated. The temporal evolution of the precipitates, heterophase interfaces, and &#945;-Fe matrix compositions and precipitate morphology are presented. Coarsening time exponents are determined for the mean radius, <R(t)>, and number density, NV(t), and compared to the Lifshitz–Slyzov–Wagner model for coarsening, modified for concentrated multicomponent alloys by Umantsev–Olson. The experimental results indicate that <R(t)> and NV(t) are in reasonable agreement with Umantsev–Olson model behavior. Additionally, we compare the results to earlier investigations of similar concentrated multicomponent steels containing 1.82 at.% Cu and 1.17 at.% Cu, aged at 500 °C.
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1862-5282 no NU @ karnesky @ 2186 11293
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