Abstract
3D micro-cellular structure of Al90Mn9Ce1 / Al2O3 (TiO2, SiC, ZrO2), Fe76Si9B10P5 / Zn0.5Ni0.5Fe2O4 (Co0.5Ni0.5Fe2O4) metal / ceramic system were constructed, based on special sintering mechanism of spark plasma sintering (SPS). The SPS micro local-area temperature field and sintering mechanism at lower macro sintering temperature were analyzed. The microstructure of samples, phase analysis and microstructure of interface were investigated via SEM, XRD and TEM. The results indicate that the 3D micro-cellular structure have been found in the samples, the cellular wall which is nano-ceramic sintered body is uniform, and the alloy cellular body is surrounded by nano-ceramic cellular wall. The infiltration transition area between cellular body and cellular wall implies the combination of interface is fine. Apropos micro-nano-discharge air gap provides interface local transient high temperature. The phase of the composites could maintain small metastable state because of low temperature rapid sintering.
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Wang, S., Li, S., Wang, M. et al. Construction of 3D micro-cellular structure of the metal / ceramic system. Rare Metals 30 (Suppl 1), 604–609 (2011). https://doi.org/10.1007/s12598-011-0355-z
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DOI: https://doi.org/10.1007/s12598-011-0355-z