Microstructure and Mechanical Properties of CNT-Reinforced AZ91D Composites Fabricated by Ultrasonic Processing

被引：0
|
作者：
Fu-Ze Zhao [1 ]
Xiao-Hui Feng [1 ]
Yuan-Sheng Yang [1 ]
机构：
[1] Institute of Metal Research,Chinese Academy of Sciences
来源：
Acta Metallurgica Sinica(English Letters) | 2016年 / 29卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Carbon nanotubes(CNTs); Magnesium matrix composites; Ultrasonic vibration; Microstructure; Mechanical properties;
D O I：
暂无
中图分类号：
TB333 [金属－非金属复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
Carbon nanotube(CNT)-reinforced AZ91 D alloy composite was fabricated by ultrasonic processing.The microstructure and mechanical properties of the CNTs/AZ91 D composites were investigated.Obvious grain refinement was achieved with the addition of 0.5 wt%CNTs.The SEM observation indicated that CNTs were distributed near the grain boundary or around the inter-grain β-MgAlphase.No evident reaction product was found at the interface between CNTs and AZ91 D matrix.Compared to the monolithic AZ91 D alloy,the yield strength,ultimate tensile strength,and elongation of the 0.5 wt%CNTs/AZ91 D composite were improved significantly.However,the poor interface bonding between CNTs and AZ91 D matrix restricted further improvement in mechanical properties.
引用
收藏
页码：652 / 660
页数：9
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