naa a22 4500 510771726 CHVBK 20180411083216.0 cr unu---uuuuu 180411e20130801xx s 000 0 eng 10.1007/s11837-013-0657-5 doi (NATIONALLICENCE)springer-10.1007/s11837-013-0657-5 Study of Melt Thermal-Rate Treatment and Low-Temperature Pouring on Al-15%Si Alloy [Elektronische Daten] [Qinglei Wang, Shuo Zhang, Zhenwei Zhang, Xingchen Yan, Haoran Geng] Under the condition of melt thermal-rate treatment (MTRT) and low-temperature pouring (LTP), the tensile properties of Al-15%Si alloy are improved, the average size of primary Si is refined to about 20μm from about 50μm, and eutectic silicon can be well modified. The ultimate tensile strength and elongation are 201MPa and 3.5%, and these values increase by 12% and 25%, respectively, compared with that obtained by conventional casting technique. The Al-15%Si alloy modified with Sr and RE additions was also studied for comparison purposes. The tensile properties of the Al-15%Si alloy treated with MTRT+LTP are superior to those modified with Sr or RE addition individually. The eutectic growth temperature difference between modified and unmodified melts was used to indicate the modification level. The modification effect of MTRT+LTP on Al-15%Si alloy is better than that modified with Sr or RE addition. TMS, 2013 Wang Qinglei School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut Zhang Shuo Yantai Lutong Precision Aluminium Industry Co., Ltd., 264006, Yantai, People's Republic of China aut Zhang Zhenwei School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut Yan Xingchen School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut Geng Haoran School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut JOM Springer US; http://www.springer-ny.com 65/8(2013-08-01), 958-966 1047-4838 65:8<958 2013 65 11837 https://doi.org/10.1007/s11837-013-0657-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11837-013-0657-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Wang Qinglei School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut NATIONALLICENCE 700 1- Zhang Shuo Yantai Lutong Precision Aluminium Industry Co., Ltd., 264006, Yantai, People's Republic of China aut NATIONALLICENCE 700 1- Zhang Zhenwei School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut NATIONALLICENCE 700 1- Yan Xingchen School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut NATIONALLICENCE 700 1- Geng Haoran School of Materials Science and Engineering, University of Jinan, 250022, Jinan, People's Republic of China aut NATIONALLICENCE 773 0- JOM Springer US; http://www.springer-ny.com 65/8(2013-08-01), 958-966 1047-4838 65:8<958 2013 65 11837 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer