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《Refractories》 2004-03
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Influences of additive and firing temperature on synthesis and sintering property of aluminum titanate

Zhang Junzhan,Zhang Ying,Jiang MingxueCollege of Materials Science and Engineering,Xi’an University of Architecture & Technology,Xi’an 710055,China  
The influences of additives MgO and SiO 2 and firing temperature on synthesis and sintering property of aluminum titanate were studied.The results show that elevating the firing temperature can promote the synthesizing and sintering of aluminum titanate, and MgO can promote the synthesizing of aluminum titanate markedly,but SiO 2 has the obvious promoting effect only at high temperatures.There are certain solid solubility limits for MgO and SiO 2 in aluminum titanate,and new phases (spinel or mullite) will form when the additions of additives exceed the limits,which will lead to sintering behaviors vary differently with the additions of MgO and SiO 2.
【CateGory Index】: TQ175
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