摘要: Nanocrystalline alloys with grain sizes less than 100 nanometres are very strong, but tend to fail rapidly during plastic deformation. A new composite alloy an unusual microstructure is able achieve high plasticity by controlling the instabilities responsible for early failure.
nature.com
harvard.edu
sci-hub.se 参考文章(11)
V. L. Tellkamp, E. J. Lavernia, A. Melmed, Mechanical behavior and microstructure of a thermally stable bulk nanostructured Al alloy Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science. ,vol. 32, pp. 2335- 2343 ,(2001) , 10.1007/S11661-001-0207-6
P.G. Sanders, C.J. Youngdahl, J.R. Weertman, The strength of nanocrystalline metals with and without flaws Materials Science and Engineering A-structural Materials Properties Microstructure and Processing. pp. 77- 82 ,(1997) , 10.1016/S0921-5093(97)00185-8
Cang Fan, R. T. Ott, T. C. Hufnagel, Metallic glass matrix composite with precipitated ductile reinforcement Applied Physics Letters. ,vol. 81, pp. 1020- 1022 ,(2002) , 10.1063/1.1498864
D Jia, K.T Ramesh, E Ma, Failure mode and dynamic behavior of nanophase iron under compression Scripta Materialia. ,vol. 42, pp. 73- 78 ,(1999) , 10.1016/S1359-6462(99)00312-7
T.R. Malow, C.C. Koch, Mechanical properties in tension of mechanically attrited nanocrystalline iron by the use of the miniaturized disk bend test Acta Materialia. ,vol. 46, pp. 6459- 6473 ,(1998) , 10.1016/S1359-6454(98)00294-8
D. Farkas, H. Van Swygenhoven, P. M. Derlet, Intergranular fracture in nanocrystalline metals Physical Review B. ,vol. 66, pp. 060101- ,(2002) , 10.1103/PHYSREVB.66.060101
Q. Wei, D. Jia, K. T. Ramesh, E. Ma, Evolution and microstructure of shear bands in nanostructured Fe Applied Physics Letters. ,vol. 81, pp. 1240- 1242 ,(2002) , 10.1063/1.1501158
J. E. Carsley, A. Fisher, W. W. Milligan, E. C. Aifantis, Mechanical behavior of a bulk nanostructured iron alloy Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science. ,vol. 29, pp. 2261- 2271 ,(1998) , 10.1007/S11661-998-0104-3
Guo He, Jürgen Eckert, Wolfgang Löser, Ludwig Schultz, Novel Ti-base nanostructure-dendrite composite with enhanced plasticity. Nature Materials. ,vol. 2, pp. 33- 37 ,(2003) , 10.1038/NMAT792
C. C. Hays, C. P. Kim, W. L. Johnson, Microstructure controlled shear band pattern formation and enhanced plasticity of bulk metallic glasses containing in situ formed ductile phase dendrite dispersions Physical Review Letters. ,vol. 84, pp. 2901- 2904 ,(2000) , 10.1103/PHYSREVLETT.84.2901