期刊
APPLIED PHYSICS LETTERS
卷 99, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3631672
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资金
- SSF
- Swedish Research Council
- Gran Gustafsson Foundation for Research in Natural Sciences and Medicine
We propose a design route for the next generation of nitride alloys via a concept of multicomponent alloying based on self-organization on the nanoscale via a formation of metastable intermediate products during the spinodal decomposition. We predict theoretically and demonstrate experimentally that quasi-ternary (TiCrAl)N alloys decompose spinodally into (TiCr)N and (CrAl)N-rich nanometer sized regions. The spinodal decomposition results in age hardening, while the presence of Cr within the AlN phase delays the formation of a detrimental wurtzite phase leading to a substantial improvement of thermal stability compared to the quasi-binary (TiAl)N or (CrAl)N alloys. (C) 2011 American Institute of Physics. [doi:10.1063/1.3631672]
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