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4. 7050铝合金长时间时效状态下的硬度、强度、延伸率随时间变化曲线
Fig.4. Variations of hardness, strength, and elongation of 7050 aluminum alloy with ageing time under various aging conditions: (a) 743 K/70 min+383 K/8 h+423 K/long time; (b) 743 K/70 min+383 K/8 h+433 K/long time; (c) 743 K/70 min+393 K/8 h+423 K/long time; (d) 743 K/70 min+393 K/8 h+433 K/long time
