O含量对Ti2448合金时效析出行为及力学性能的影响
李丹, 宫得伦, 郝玉琳

Effect of O Content on the Aging Precipitation Behavior and Mechanical Properties of Ti2448 Alloy
LI Dan, GONG Delun, HAO Yulin
表3 873 K、10 min + 773 K、1~4 h双步热处理后2种合金中析出相的厚度、数密度及体积分数
Table 3 Thicknesses (τ), number densities (ρ), and volume fractions (V) of the precipitates in Ti2448-LO and Ti2448-HO alloys under 873 K, 10 min + 773 K, 1-4 h conditions
AlloyAging time / hτ / nmρ / μm-2V / %
Ti2448-LO122.9 ± 8.376.2 ± 9.025.4 ± 2.7
226.6 ± 15.464.8 ± 8.330.7 ± 1.5
428.6 ± 12.550.6 ± 7.234.2 ± 2.4
Ti2448-HO125.4 ± 8.571.8 ± 4.631.7 ± 3.4
228.5 ± 10.254.8 ± 1.134.5 ± 3.5
430.6 ± 9.845.0 ± 5.735.9 ± 1.5