Mg对C<sub>f</sub>/Al复合材料的界面结构和力学性能的影响

孙左峰; 徐志锋; 余欢; 王振军

doi:10.15980/j.tzzz.2013.06.011

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Mg对C_f/Al复合材料的界面结构和力学性能的影响
Effect of Magnesium Alloying Elements on Tensile Strength and Interface Structures of Continuous C_f/Al Composites
2013年33卷第6期页码：578-581
纸质出版日期： 2013 ，
DOI： 10.15980/j.tzzz.2013.06.011

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[1]孙左峰,徐志锋,余欢,王振军.Mg对C_f/Al复合材料的界面结构和力学性能的影响[J].特种铸造及有色合金,2013,33(06):578-581.

Sun Zuofeng, Xu Zhifeng, Wang Zhenjun, et al. Effect of Magnesium Alloying Elements on Tensile Strength and Interface Structures of Continuous C_f/Al Composites[J]. Special Casting & Nonferrous Alloys, 2013,33(6):578-581.
[1]孙左峰,徐志锋,余欢,王振军.Mg对C_f/Al复合材料的界面结构和力学性能的影响[J].特种铸造及有色合金,2013,33(06):578-581. DOI： 10.15980/j.tzzz.2013.06.011.

Sun Zuofeng, Xu Zhifeng, Wang Zhenjun, et al. Effect of Magnesium Alloying Elements on Tensile Strength and Interface Structures of Continuous C_f/Al Composites[J]. Special Casting & Nonferrous Alloys, 2013,33(6):578-581. DOI： 10.15980/j.tzzz.2013.06.011.

摘要

通过在铝基体中添加合金元素Mg

并改变Mg的含量和浸渗时间制备Cf/Al复合丝

研究了基体合金化和浸渗时间对碳纤维微观组织和力学性能的影响。结果发现

碳纤维的抗拉强度随着Mg含量的增加而增加

但Mg含量超过8.5%后

抗拉强度反而降低。碳纤维的抗拉强度随着浸渗时间的增加则逐渐降低

在前8min下降趋势明显

随后下降趋势趋于平缓。

Abstract

Effects of Mg addition and infiltrating time on microstructure and mechanical properties of carbon fibre reinforced aluminum matrix composites were investigated. The results show that the tensile strength of the composites is increased with increasing in Mg addition

however

with Mg content more than 8.5%

the tensile strength of the composites prepared is decreased. The tensile strength of the composites is decreased with the increase of infiltration time

and the declining tendency exhibits sharp in the first 8 min and then slow.