人工时效对2A12铝板力学性能和强化相的影响
梁孟超, 陈良(
), 赵国群
), 赵国群
Effects of Artificial Ageing on Mechanical Properties and Precipitation of 2A12 Al Sheet
LIANG Mengchao, CHEN Liang(), ZHAO Guoqun
), ZHAO Guoqun
图9. 2A12铝合金冷轧板在185 ℃下人工时效16 h后的TEM像及SAED花样
Fig.9. TEM images of the 2A12 cold rolled Al sheet aged at 185 ℃ for 16 h
(a, b) bright-field TEM images of different zones (Insets in Fig.9b are the SAED pattern (up) and diffraction schematic diagram (down) of precipitates)
(c) HRTEM images of granular precipitates and SAED pattern (inset)
(d) HRTEM images of needle-like precipitates (dashed line) and SAED pattern (inset)
