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周峰.合金元素对Ti-46Al-8Nb合金充型性能的影响[J].稀有金属材料与工程(英文),2019,48(9):2829~2834.[zhoufeng.Effects of Alloy Elements on the Mold Filling Capacity of Ti-46Al-8Nb Alloy[J].Rare Metal Materials and Engineering,2019,48(9):2829~2834.]
Effects of Alloy Elements on the Mold Filling Capacity of Ti-46Al-8Nb Alloy
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Received:April 14, 2014??Revised:July 30, 2014
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Key words:?Micro-alloy elements??High Nb containing TiAl??Mold filling capacity
Foundation item:国家自然科学基金项目(面上项目,重点项目,重大项目)
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Abstract:
??????Embedded material shell was prepared using wax grid with 8? mesh. The effects of micro-alloy elements B, Y, Mn and Er on the mold filling capacity of Ti-46Al-8Nb melt were studied. The results showed that the fluidity and mold filling property of Ti-46Al-8Nb melt was improved to some extent by B, Y, Mn and Er addition. Especially, 0.5Y and 1Mn addition had significant improvement on the mold filling capacity of the alloy, which increased the filling rate by 54.5% and 48.5% respectively. The effect of 0.1Er, 0.5B and 1B addition on the mold filling capacity of the alloy was not so remarkable, with the filling rate increasing by 3.0%, 4.5% and 5.3% respectively.