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Spark and plasma in spark plasma sintering of rigid ceramic nanoparticles: A model system of YAG

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Academic year: 2021

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Figure

Fig. 2. Bright field TEM images of the (a) AR and (b) HT powder. Necking between the nano-particles in the HT powder was observed.
Fig. 4. (a) Final densities of the AR powder specimens versus SPS temperature at 2 and 100 MPa
Fig. 5. HRSEM images of the fracture surface of YAG specimens densified by SPS at (a) 1200 ◦ C, (b) 1300 ◦ C and (c) 1400 ◦ C
Fig. 6. (a) Bright Field TEM and (b) HRSEM images from the specimens fabricated at 1100 ◦ C and 1200 ◦ C, respectively, showing the material-jets connecting adjacent particles over the gaps in the partially sintered compact after SPS at 100 MPa
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