ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Al2(1-x)MgxTi1+xO5(x=0.05-0.3) composite powder was prepared by the method of chemical coprecipitationand subsequent sintering using TiCl4, MgCl2 and AlCl3 solution as the raw materials, andammonia and ammonium carbonate as the solvent. Thermal dynamics and kinetic dynamics analysis ofthe precursor during the heat treatment were explored in detail, and the reaction process ofAl2(1-x)MgxTi1+xO5 (x=0.3) composite powder was confirmed. Results show that, as the temperatureincreases MgO reacts with TiO2 of anatase phase to form MgTi2O5. At about 650°C, anatase transfers intorutile. Then MgTi2O5 reacts with Al2O3 to produce MgAl2O4 at 900°C. When the temperature is above1100°C, the desired Al2(1-x)MgxTi1+xO5(x=0.3) composite powder is synthesized by the reaction ofMgAl2O4, Al2O3 and TiO2 of rutile phase
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.2347.pdf
Permalink