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INFLUENCES OF QUENCHING TEMPERATURE ON THE MICROSTRUCTURE AND DEFORMATION BEHAVIORS OF TC16 TITANIUM ALLOY |
ZHANG Zhiqiang, DONG Limin, YANG Yang, GUAN Shaoxuan, LIU Yuyin, YANG Rui |
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 |
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Cite this article:
ZHANG Zhiqiang DONG Limin YANG Yang GUAN Shaoxuan LIU Yuyin YANG Rui. INFLUENCES OF QUENCHING TEMPERATURE ON THE MICROSTRUCTURE AND DEFORMATION BEHAVIORS OF TC16 TITANIUM ALLOY. Acta Metall Sin, 2011, 47(10): 1257-1262.
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Abstract The evolution of microstructure and phase transformation in TC16 titanium alloy after solution and then quenching from 700 ℃ to 900℃ were investigated by XRD, SEM and TEM, and the corresponding tensile properties were also measured. The results reveal that TC16 titanium alloy consists of primary α phase, metastable β phase and small amount of ω phase when quenching at 700 and 750 ℃. With quenching temperature increasing, the phase transformation of β → α'' happens. The alloy is completely composed of α'' martensite when quenching from single β phase field. Tensile test shows the yield strength of metastable microstructure samples is lowered due to stress induced α'' martensitic transformation.
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Received: 07 April 2011
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