<strong>O</strong>含量对<strong>Ti2448</strong>合金时效析出行为及力学性能的影响

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

图9 873 K、10 min + 773 K、1 h双步热处理后Ti2448-LO合金中析出相的TEM像和SEAD花样

Fig.9 Bright field (a) and dark field (b) TEM images of precipitates in Ti2448-LO alloys after annealing at 873 K for 10 min and followed by aging at 773 K for 1 h (Inset in Fig.9b shows the SEAD pattern taken along [ $0 \bar{1} 1$ ] _β zone axis, φ—characterisitic angle)