期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 589, 期 -, 页码 25-28出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.11.145
关键词
ZrAlSi; Complex modification; Microstructure; Mechanical properties
资金
- National Basic Research Program of China (973 Program) [2012CB825702]
- National Natural Science Foundation of China [51071097]
In this study, the morphological evolution of ZrAlSi intermetallic in ternary Al-Si-Zr alloys was investigated. In hypereutectic Al-18Si alloy, the introduction of Zr results in the formation of blocky ZrAlSi particles. Besides, there form almost no primary Si, while replaced by ZrAlSi. Using ZrAlSi to modify primary Si and Sr to modify eutectic Si, complex modification effect can be realized in an Al-Si multicomponent piston alloy. Correspondingly, the mechanical properties were significantly improved. (C) 2013 Elsevier B. V. All rights reserved.
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