Guan Renguo, Zhao Zhanyong, Huang Hongjun, et al. Microstructure Formation Mechanism of Al-18Si-xFeAlloy during Wavelike Flow and Cooling. [J]. Special Casting & Nonferrous Alloys 31(1):1-4(2011)
Guan Renguo, Zhao Zhanyong, Huang Hongjun, et al. Microstructure Formation Mechanism of Al-18Si-xFeAlloy during Wavelike Flow and Cooling. [J]. Special Casting & Nonferrous Alloys 31(1):1-4(2011)DOI:
Microstructure Formation Mechanism of Al-18Si-xFeAlloy during Wavelike Flow and Cooling
In order to refine reinforced-phase in Al-18Si-xFe alloy
a novel method of wavelike sloping plate(WSP)rheocasting process for preparing hypereutectic Al-18Si-xFe alloy was proposed
and microstructure formation mechanism of the alloy during wavelike flow and cooling process was investigated.The results show that morphology of primary Si
Al18Si10Fe5and Al8Si2Fe phase in the Al-18Si and Al-18Si-5Fe alloy can be refined greatly by the WSP rheocasting.With the decrease of pouring temperature and the increase of cooling strength of sloping plate
various phases tend to be refined and spheroidized.Formation of microstructure in the alloy can be attributed to crystal nucleus multiplication brought by crystallization rain
crystal restraining growth under strong cooling of sloping plate and crystal broken-up under flow shearing.
Lin Chong 武汉工程大学机电工程学院,化工装备强化与本质安全湖北省重点实验室;华中科技大学材料科学与工程学院,材料成形与模具技术全国重点实验室
Tan Weiwen 武汉工程大学机电工程学院,化工装备强化与本质安全湖北省重点实验室
Li Jie 武汉工程大学机电工程学院,化工装备强化与本质安全湖北省重点实验室
Wu Shusen 华中科技大学材料科学与工程学院,材料成形与模具技术全国重点实验室
Yang Xiaorong Mao Weimin Pei Sheng 北京科技大学材料科学与工程学院
毛卫民 北京科技大学材料科学与工程学院
裴胜 北京科技大学材料科学与工程学院
相关机构
Hubei Provincial Key Laboratory of Chemical Equipment Intensification and Intrinsic Safety, School of Mechanical and Electrical Engineering, Wuhan Institute of Technology
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology
School of Materials Science and Engineering,University of Science andTechnology Beijing
Nanchang University
Chinalco Guangxi Nonferrous Rare Earth Development Co., Ltd.