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题名: Tensile behavior of Ti-22Al-24Nb-0.5Mo in the range 25-650 degrees C
作者: Zhao, Hongze;  Lu, Bin;  Tong, Min;  Yang, Rui
发表日期: 2017-1-2
摘要: The tensile and fracture behavior of an orthorhombic alloy Ti-22Al-24Nb-0.5Mo (at%) with three types of microstructure were investigated in the temperature range between 25 degrees C and 650 degrees C. The O+bcc microstructure (basketweave lath type) possesses an elongation maximum at 500 degrees C and its drop at 650 degrees C has been attributed to dynamic strain aging as suggested by previous investigators. The alpha(2)+bcc microstructure has the highest room temperature elongation (epsilon(f) > 18%) and the cause of the elongation drop at 650 degrees C is suggested to be the fine O phase precipitates from the bcc phase. An optimal balance between strength and plasticity was achieved in the alpha(2)+O+bcc microstructure.
刊名: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
Zhao, Hongze,Lu, Bin,Tong, Min,et al. Tensile Behavior Of Ti-22al-24nb-0.5mo In The Range 25-650 Degrees C[J]. Materials Science And Engineering A-structural Materials Properties Microstructure And Processing,2017,679:455-464.

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