Effect of Sintering Temperature on Properties of TiAl Target
In this paper,titanium aluminum alloy target(Ti:Al=1:1,at%)is prepared by hot isostatic pressing process.The effect of sintering temperature(1150～1350℃)on the properties of titanium aluminum target is studied.The result suggested that the excellent performance of the TiAl alloy target prepared at the sintering temperature at 1250℃ when the holding time is 2h and the holding pressure is 130MPa,the relative density of target is 99.72%,the average grain size is 78.70μm,vickers hardness is 399.7HV,Ti and Al elements are uniformly distributed in the target.The grain growth activation energy of TiAl target is calculated to be 76.4KJ/mol by the Brook dynamic model of grain growth.
TiAl alloy targethot isostatic pressing processsintering temperaturetarget propertiesactivation energy
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