双级时效对7050铝合金力学性能及氢脆敏感性的影响
任建平1,宋仁国2()
Effect of Two-stage Ageing on Mechanical Properties and Sensitivity to Hydrogen Embrittlement of 7050 Aluminum Alloy
REN Jianping1,SONG Renguo2()

图8. 7050铝合金峰值时的析出相的高分辨显微组织

Fig.8. High-resolution intragranular images of 7050 aluminum alloy after ageing under the conditions of 743 K/70 min+393 K/8 h+423 K/ different time: (a) 17 h (first peak), (b) 45 h (second peak)