Progress in Nanotechnology 2009
DOI: 10.1002/9780470588246.ch16
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Formation of Al 2 O 3 ‐TiC Composite Nano‐Particles Synthesized from Carbon‐Coated Precursors

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“…The produced powders also have the advantages of pure and single phase, submicron in particle size, narrow distribution, loose agglomeration, and spherical particle shape. The carbon coating precursors method has been applied in the synthesis of other powders such as TiB 2 [13], SiC [14],W [15], WC [16], CaB 6 [17], and TiC-Al 2 O 3 [18].…”
Section: Introductionmentioning
confidence: 99%
“…The produced powders also have the advantages of pure and single phase, submicron in particle size, narrow distribution, loose agglomeration, and spherical particle shape. The carbon coating precursors method has been applied in the synthesis of other powders such as TiB 2 [13], SiC [14],W [15], WC [16], CaB 6 [17], and TiC-Al 2 O 3 [18].…”
Section: Introductionmentioning
confidence: 99%
“…As shown in Fig 5, because of the existence of TiBO 3 , TiB 2 peaks can not be identified until 1400°C. When temperature reaches 1400°C, TiO 2 , TiC, Ti 3 O 5 , and Ti 2 O 3 may react with B 2 O 3 :3TiO 2 + 5C + 2B 2 O 3 → 3TiB 2 + 5CO (g) (15) TiC + 2C + B 2 O 3 → TiB 2 + CO(g) (16) Ti 3 O 5 + 14C + 3B 2 O 3 → 3TiB 2 + 14CO(g) (17) Ti 2 O 3 + 2C + B 2 O 3 → TiB 2 + CO(g)(18) As shown in Fig7, favorable reaction temperatures for reactions 16-19 are 1374°C, 1438°C, 1400°C, and 1399°C respectively. This gives an explanation for the formation of TiB 2 at 1400°C in conventional mixed samples.Fig 7 shows the different formation temperatures of TiB 2 from different sample processing methods.…”
mentioning
confidence: 99%