Details

Autor(en) / Beteiligte

• Sakamoto, Tatsuaki
• Otsuka, Shohei
• Kobayashi, Sengo

Titel

Effect of Silicide on Dynamic Recrystallization in Near Alpha Titanium Alloy

Ist Teil von

• Materials Science Forum, 2016-11, Vol.879, p.1634-1638

Ort / Verlag

Pfaffikon: Trans Tech Publications Ltd

Erscheinungsjahr

2016

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Dynamic recrystallization in Ti-1100 was investigated. Ti-1100 is one of near α titanium alloys and contains Si for improving high temperature mechanical properties. Ti-1100 exhibits martensitic transformation by quenching into iced brine after solid solution treatment. Hereafter specimens subjected to quenching into iced brine and to cooling in air after solid solution treatment are called IBQ specimen and AC specimen, respectively. After tensile test at high temperature, IBQ specimen exhibits morphological change from lath structure to equiaxed structure, but AC specimen does not. It is indicated that dynamic recrystallization occurs during the tensile test of IBQ specimen. Effect of silicide on the dynamic recrystallization was investigated using two specimens: one included more silicide precipitates and the other less. The former specimen shows smaller recrystallized grains than the latter. It is indicated that the specimen including more silicides exhibits smaller recrystallized grains.