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Type Kolli, R. Prakash
  Publication Kinetics of nanoscale Cu-rich precipitates in a multicomponent concentrated steel Volume Book Whole
Pages 2007
  Abstract  
  Corporate Author  
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  Summary Language 320 Series Editor Kinetics; Cu; precipitate; steel  
Abbreviated Series Title The kinetics of nanoscale Cu-rich precipitates of multicomponent concentrated steels has been investigated utilizing primarily APT and supplemented with a synchrotron radiation experiment, first-principles calculations, Thermo-Calc study, and CTEM (at the longest aging time). Results on mechanical properties and microstructure at a greater length scale are also presented. The studied steels, NUCu-170 and NUCu-140-x, are HSLC steels, and are primarily strengthened by nanoscale Cu-rich precipitates. NUCu-170 contains 1.82 at. % Cu, whereas NUCu-140-x contains nominally ca. 1.15 at. % Cu. This study focused on a 900 °C solutionizing treatment followed by isothermal aging at 500 °C between 0.25 and 1024 h for NUCu-170 and NUCu-140-1, and aging at 550 °C between 0.25 and 4 h for NUCu-140-3. In addition, a double aging treatment of 550 °C aging followed by 200 °C for 2 h was investigated for NUCu-140-3.
  Series Issue ISSN (up)  
Medium Ph.D. thesis
  Expedition Northwestern University Notes  
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Serial URL ISBN  
no NU @ m-krug @ 10472
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