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
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Effect of Micro-Alloying Element La on Solidification Microstructure and Mechanical Properties of Hypoeutectic Al-Si Alloys
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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 ( |
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