典型文献
Characteristics on microstructure and mechanical performances of 6111Al influenced by Ce-containing precipitates
文献摘要：
In this work,the effects of Ce addition (0,0.1 wt％,0.3 wt％,0.5 wt％ and 0.7 wt％) on the evolution of microstructure and mechanical properties of 6111Al alloy and strengthening mechanism of 6111Al-Ce alloy were systematically investigated by a polarizing microscope,a scanning electronic microscope,an energy dispersive spectroscope and a high-resolution transmission electron microscope.The results indicate that with 0.3 wt％ Ce addition,the α-Al grains show the equiaxed crystal morphology with the average size decreasing from 137 to 57 μm and numerous small AlCeSi phases with lump-like or plate-like morphology are distributed closely along the grain boundary.The peak yield strength,ultimate tensile strength and elongation of 6111Al-Ce alloy reach to 279 MPa,316 MPa and 12.1％,respectively,which is attributed to the grain refinement strengthening and the formation of nanosized Al11Ce3 pre-cipitates.Eventually,this investigation gives us instructive suggestion to prepare the new kind of aluminum alloy with high strength and high ductility.
文献关键词：
中图分类号：
作者姓名：
Xu Gao;Yutao Zhao;Xizhou Kai;Wei Qian;Liwei Jin;Chuang Guan;Peng Sheng
作者机构：
School of Material Science and Engineering,Jiangsu University,Zhenjiang 212013,China
文献出处：
引用格式：
[1]Xu Gao;Yutao Zhao;Xizhou Kai;Wei Qian;Liwei Jin;Chuang Guan;Peng Sheng-.Characteristics on microstructure and mechanical performances of 6111Al influenced by Ce-containing precipitates)[J].稀土学报（英文版）,2022(01):153-160
A类：
6111Al,AlCeSi,cipitates
B类：
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AB值：
0.550841
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