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(
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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()
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图7. 不同La添加量下Al-6Si合金的DTA冷却曲线及α-Al和共晶Si的形核过冷度随La添加量的变化
Fig.7. Differential thermal analysis (DTA) cooling curves for the Al-6Si alloys with different additive amounts of La (a), and the change of the nucleation undercooling for the α-Al (
