“…Similar to other works (Rixecker et al, 2000;Magnani & Beaulardi 2005), the sintering temperature for completed densification is a function of the additive composition and the best densification behavior does not coincide with the eutectic composition in the AlN-Y 2 O 3 system(See Fig 1) (Kouhik, 2002), which is about 40 mol% AlN as shown in Fig 2. Sample Sly-2 with 60 mol%AlN reached full density at much lower temperature compared with the other two samples. Further more the temprature range of dentification is much wider than others also.…”
Section: Sinterability Of Sic-aln-y 2 O 3 Systemsupporting
“…Similar to other works (Rixecker et al, 2000;Magnani & Beaulardi 2005), the sintering temperature for completed densification is a function of the additive composition and the best densification behavior does not coincide with the eutectic composition in the AlN-Y 2 O 3 system(See Fig 1) (Kouhik, 2002), which is about 40 mol% AlN as shown in Fig 2. Sample Sly-2 with 60 mol%AlN reached full density at much lower temperature compared with the other two samples. Further more the temprature range of dentification is much wider than others also.…”
Section: Sinterability Of Sic-aln-y 2 O 3 Systemsupporting
“…Oxidation behavior of AlN-TiB 2 and AlN-SiC binary ceramics systems prepared by hot pressing or hot isostatic pressing has been studied earlier [4][5][6][7][8][9][10][11][12]. Concerning AlN-SiC binary system, Xu et al proposed a two-stage oxidizing process: a partial oxidation of SiC-AlN to -SiAlON and carbon, and a final oxidation of -SiAlON to mullite and a spot of silica [6].…”
“…3 shows that mullite and ␣-cristobalite were formed after heat-treatment at 1300 • C. Traces of yttrium disilicate (␥-Y 2 Si 2 O 7 ) were also detected due to the decomposition of the grain boundary phase Y 10 Al 2 Si 3 O 18 N 4 . 8 Another confirmation of the mechanism for the crack healing could be extracted by the analysis of the EDS spectra reported in Fig. 4.…”
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