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Type Lee, H. S.; Han, S. Z.; Lee, H. M.; Lee, Z. H.
  Publication Coarsening Behavior of L1$_2$ Precipitates in Melt-Spun Al-Ti-V-Zr Alloys Volume Journal Article
Pages 1993
  Abstract Materials Science and Engineering A  
  Corporate Author Mater. Sci. Eng. A  
Publisher 163  
Editor 1
  Summary Language 81-90 Series Editor volume fraction high-strength kinetics dependence nucleation growth do22  
Abbreviated Series Title Aging studies of two melt-spun Al-2at.% (Ti,V,Zr) alloys showed that the would-be metastable L1(2) Al3(Ti,V,Zr) precipitates did not transform to stable D0(23) ones, and the average radius is 5-7 nm and the interparticle spacing is 20-40 nm at 698 K up to 400 h. The coarsening rate of spherical Al3(Ti0.2V0.4Zr0.4) precipitates was observed to be five times as fast as that of Al3(Ti0.1V0.4Zr0.5) precipitates. The coarsening behavior in both alloys obeyed the Lifshitz-Slyozov-Wagner (LSW) prediction well. Owing to the low coarsening rate and the high thermal stability of the precipitated phase, Al-Ti-V-Zr systems show promise as bases for high-temperature high-strength Al alloys.
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Times Cited: 10 Article English Cited References Count: 44 Lf639 refbase @ user 1328
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