Abstract
High-cycle fatigue properties were investigated for Ti-5A12.5Sn ELI and Ti-6A1-4V alloys (in the mill-annealed condition) at cryogenic temperatures. Subsurface crack initiation occurred in the long-life range for all alloys. The rolled materials of Ti-6A1-4V had much higher fatigue strength in the long-life range than the forged materials and the Ti-5A1-2.5Sn ELI alloy. The significant difference of fatigue strength in the long-life range for Ti-6A1-4V alloys was caused by morphological changes in their microstructure.
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© 1992 Springer Science+Business Media New York
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Umezawa, O., Nagai, K., Yuri, T., Ogata, T., Ishikawa, K. (1992). High-Cycle Fatigue Properties of Titanium Alloys at Cryogenic Temperatures. In: Fickett, F.R., Reed, R.P. (eds) Materials. Advances in Cryogenic Engineering, vol 38. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9050-4_22
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DOI: https://doi.org/10.1007/978-1-4757-9050-4_22
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