Effect of microstructure on fracture toughness of Ti-6Al-6V-2Sn alloy
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1989
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The important effects of heat treatment on microstructure, mechanical properties and fractographic facets of a Ti-6A1-6v-2Sn alloy are presented, Beta phase annealing leads to a decrease in the ductility of the alloy independently of the morphology of the acicular microstructure produced. The alpha-beta annealed samples exhibit a higher toughness compared with the original mill annealed condition, reaching, after 4 hours at 900°C a similar level to beta heat treated and air cooled specimens. The very slight decrease in ductility of these samples makes this treatment very promising.
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Plaza , L M , Azkarate , I , Gil-Negrete , A & Irisarri , A M 1989 , ' Effect of microstructure on fracture toughness of Ti-6Al-6V-2Sn alloy ' , Paper presented at Proceedings of the Eighth International Conference on Offshore Mechanics and Arctic Engineering - 1989 , Hague, Neth , 19/03/89 - 23/03/89 pp. 173-177 .
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