Grain Size Effect on Mechanical Properties of Titanium Alloy
The aim of this study is to investigate the effect of grain size on mechanical properties of commercially pure grade 2 (CP2) titanium bar with a diameter of 5 mm. The results reveal that the microstructure of β-phase forms when the annealing temperature exceeds 800oC. The formation of β-phase leads to reduce the ductility but increase hardness. The strength coefficient, yielding stress and hardness decrease with increasing of grain size when the microstructure of specimen is the α-phase.
Yeong-Maw Hwang and Cho-Pei Jiang
C. P. Jiang and Z. H. Huang, "Grain Size Effect on Mechanical Properties of Titanium Alloy", Key Engineering Materials, Vol. 626, pp. 548-552, 2015