添加Nb对Ti-48Al-0.7B合金组织和力学性能的影响

金属学报, 2007, 43(5): 482-486.

添加Nb对Ti-48Al-0.7B合金组织和力学性能的影响

江治国 , 马颖澈 , 陈波 , 赵秀娟 , 刘奎 , 李依依

中国科学院金属研究所

关键词： Ti-Al-B-Nb合金 , car exhaust valve , microstructure

Effects of Nb on the microstructure and mechanical properties of

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Keywords： TiAl alloys , 汽车排气阀 , 组织

本文系统研究了铌对Ti-48Al-0.7B-xNb (at. %)铸造合金组织和性能的影响。结果表明Ti-48Al-0.7B-5Nb(at.%)铸造合金的晶粒尺寸最小，且具有最佳的综合力学性能

Effect of niobium on the microstructural and mechanical properties of as-cast Ti-48Al-0.7B cast alloy has been systematically studied in the paper. It has been found Ti-48Al-0.7B-5Nb alloy has the minimum grain size and the optimum balance mechanical properties.

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添加Nb对Ti-48Al-0.7B合金组织和力学性能的影响

Effects of Nb on the microstructure and mechanical properties of

参考文献