Effects of Nb on the microstructure and mechanical properties of

Acta Metall Sin

2007, Vol. 43

Issue (5): 482-486 DOI:

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Effects of Nb on the microstructure and mechanical properties of

中国科学院金属研究所

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. Effects of Nb on the microstructure and mechanical properties of. Acta Metall Sin, 2007, 43(5): 482-486 .

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Abstract 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.

Key words: TiAl alloys car exhaust valve microstructure

Received: 20 September 2006

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