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- W2008221279 abstract "MgAl 2 O 4 -SiC composites were prepared by using MgAl 2 O 4 and SiC powder as main starting materials, being pressed to cylindrical specimens of Φ30mm×30mm at 200 MPa and heated respectively at 1400°C and 1500°C for 3 hours in air atmosphere. The room temperature physical properties of sintered samples were tested according to related national standards. The phase compositions were analyzed by XRD. The microstructure of the fracture of the samples was observed by SEM. The results showed that MgAl 2 O 4 -SiC materials could sintered well in air atmosphere. The mechanism is that SiC was oxidized to form active SiO 2 , which reacted with MgAl 2 O 4 to produce liquid cordierite promoting the sintering of the materials. The sinterability of MgAl 2 O 4 -SiC materials was overall improved with increasing the sintering temperature. When the content of SiC of MgAl 2 O 4 -SiC materials was 10%, the cold crushing strength and bulk density of the samples reached maximums and apparent porosity reached a minimum; the content of SiC was more than 10%, the sinterability of samples deteriorated." @default.
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- W2008221279 date "2011-11-01" @default.
- W2008221279 modified "2023-09-24" @default.
- W2008221279 title "Research on the Sinterability of MgAl<sub>2</sub>O<sub>3</sub>/SiC Composites in Air Atmosphere" @default.
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- W2008221279 doi "https://doi.org/10.4028/www.scientific.net/amr.399-401.834" @default.
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