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임정숙(J. S. Lim),이영선(Y. S. Lee),문호근(H. G. Moon),문영훈(Y. H. Moom) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.5
By hot compression test in the temperature range of 800-1100℃ and the strain rate range of 0.01-10 s?¹, hot deformation behavior of Ti-6Al-4V was characterized. And processing maps including flow stability criteria and Ziegler’s stability criterion were generated using the compression test data. In order to evaluate the reliability of the map, the microstructure characteristics of the hot compressed specimens were correlated with test conditions in the stable and unstable regime. The microstructure and processing map of Ti-6Al-4V was applied to predict an optimum condition and unstable regions for hot forming processes.