The tensile creep behavior of a B4C-bearing high Nb containing TiAl alloy

In the present paper, the effect of B4C addition on elevated temperature tensile properties and creep resistance of as-cast Ti–43Al–6Nb–1Mo–1Cr alloy has been characterized. Experimental results reveal that 0.2 at. % B4C can improve the ultimate tensile strength and elongation of alloy at 800 °C. Th...

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Veröffentlicht in:	Intermetallics 2022-02, Vol.141, p.107410, Article 107410
Hauptverfasser:	Xiao, Shulong, Liang, Zhenquan, Zheng, Yunfei, Zhao, Hao, Guo, Yingfei, Xu, Lijuan, Xue, Xiang, Tian, Jing, Chen, Yuyong
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloying additive B4C addition Boron carbide Coalescing Crack initiation Crack propagation Creep Creep rate Creep strength Deformation mechanisms Dynamic recrystallization Elongation Fracture High temperature Mechanical properties Mechanical twinning Steady state creep Stress concentration Tensile creep Tensile properties TiAl based intermetallics Titanium base alloys Ultimate tensile strength
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