Effects of Alloying Elements Ti, Cr, Al, and Hf on β-Nb5Si3 from First-principles Calculations

Kang Yongwang; Han Yafang; Qu Shiyu; Song Jinxia

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Effects of Alloying Elements Ti, Cr, Al, and Hf on β-Nb5Si3 from First-principles Calculations

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odulus, shear modulus, and elastic modulus are obtained using Voight approximation equation. Ti and Cr increase the hardness and reduce the ductility of β-Nb5Si3. In contrast, Hf decreases the hardness and improves the ductility.

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《中国航空学报（英文版）》 |2009年第2期|206-210|共5页
作者
Kang Yongwang; Han Yafang; Qu Shiyu; Song Jinxia;
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作者单位

National Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,Beijing 100095,China;

National Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,Beijing 100095,China;

The 21st Research Center,Beijing Institute of Aeronautical Materials,Beijing 100095,China;

National Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,Beijing 100095,China;

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Effects of Alloying Elements Ti, Cr, Al, and Hf on β-Nb5Si3 from First-principles Calculations

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