High-Pressure Torsion-Induced Grain Refinement/Growth in Coarse-Grained/Nanocrystalline Cu Powders
SiC fibers were synthesized on the surface of reaction sintered SiC substrate by Si vapor deposition without catalyst at 1700° C for 4. h in the nitrogen atmosphere. SiC fibers were characterized by scanning electron microscopy, transmission electron microscopy and X-ray diffraction. The results indicate that the fibers have β-SiC structure and their diameters are several-hundred nanometers. The length of the SiC fibers is ~1.5-3.0. mm and their growth direction is . Investigation of growth mechanism indicates that the SiC fibers grow via the vapor-solid (VS) growth process.
Q. Li et al., "High-Pressure Torsion-Induced Grain Refinement/Growth in Coarse-Grained/Nanocrystalline Cu Powders," Ceramics International, vol. 42, no. 13, pp. 15107-15112, Elsevier Ltd, Jun 2016.
The definitive version is available at http://dx.doi.org/10.1016/j.ceramint.2016.06.112
Materials Science and Engineering
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