微合金化元素La对亚共晶Al-Si合金凝固组织与力学性能的影响
郑秋菊1,2, 叶中飞3, 江鸿翔1, 卢明3, 张丽丽1, 赵九洲1,2()
Effect of Micro-Alloying Element La on Solidification Microstructure and Mechanical Properties of Hypoeutectic Al-Si Alloys
ZHENG Qiuju1,2, YE Zhongfei3, JIANG Hongxiang1, LU Ming3, ZHANG Lili1, ZHAO Jiuzhou1,2()

图4. 不含La和含0.06%La的Al-6Si合金中共晶Si的TEM明场像及其SAED花样

Fig.4. TEM bright-field images (a, b) of eutectic Si particle and their SAED patterns (c, d) in the zone axis of [011]Si in the Al-6Si alloys without La (a, c) and with addition of 0.06%La (b, d)