Cooling Rate Sensitivity of RE-Containing Grain Refiner and Its Impact on the Microstructure and Mechanical Properties of A356 Alloy |
Hua-Rui Zhang, Zhen-Bang Liu, Zi-Zhuo Li, Guo-Wei Li, Hu Zhang |
Fig. 3 Typical optical micrographs of the samples without and with grain refiners at 3 °C/s: a without refiners; b 0.3 wt% AlTiB; c 0.3 wt% RE; d 0.3 wt% AlTiB-RE |
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