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材料研究学报  2016, Vol. 30 Issue (12): 909-913    DOI: 10.11901/1005.3093.2016.218
  本期目录 | 过刊浏览 |
泡沫镍/环氧树脂/碳化硅双连续相复合材料的拉伸性能*
刘洋,段德莉(),王俊翔,侯思焓,李曙
中国科学院金属研究所 沈阳 110016
Tensile Properties of Co-continuous Composites of Nickel Foam/Epoxy Resin/Silicon Carbide
Yang LIU,Deli DUAN(),Junxiang WANG,Sihan HOU,Shu LI
Institute of Metal Research, ChineseAcademy of Sciences, Shenyang 110016, China
引用本文:

刘洋,段德莉,王俊翔,侯思焓,李曙. 泡沫镍/环氧树脂/碳化硅双连续相复合材料的拉伸性能*[J]. 材料研究学报, 2016, 30(12): 909-913.
Yang LIU, Deli DUAN, Junxiang WANG, Sihan HOU, Shu LI. Tensile Properties of Co-continuous Composites of Nickel Foam/Epoxy Resin/Silicon Carbide[J]. Chinese Journal of Materials Research, 2016, 30(12): 909-913.

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摘要: 

制备不同添加量碳化硅、不同规格泡沫镍增强的环氧树脂双连续复合材料, 对其拉伸性能进行了评价。结果表明, 泡沫镍的孔径较小、体密度较大时复合材料的拉伸强度高, 碳化硅添加量对力学性能的影响较小。根据对拉伸断口和拉伸曲线的观察和分析, 探讨了泡沫镍/环氧树脂/碳化硅双连续复合材料拉伸破坏过程和机制。

关键词 双连续复合材料拉伸性能泡沫镍环氧树脂    
Abstract

Co-continuous composites of nickel foam/epoxy/silicon carbide with different SiC content and different specification of nickel foam were prepared and then their tensile property was investigated. The results show that the tensile strength of the composite is high when made of nickel foam with small pore diameter and high relative density, while the SiC content have small influence on the tensile property. The damage process of the co-continuous composite and the relevant mechanism was revealed by observing the morphologies of the tensile fracture and analyzing the tensile curves.

Key wordsco-continuous composites    tensile properties    nickel foam    epoxy resin
收稿日期: 2016-04-20     
基金资助:* 国家自然科学基金51275506资助项目
Product Micro silicon carbide powder Submicron silicon carbide powder Nanometer silicon carbide powder
Purity 99.5% 99.5% 99.9%
The average particle size 5 μm 600~800 nm 40 nm
表1  碳化硅颗粒的规格
图1  双连续复合材料的哑铃状拉伸试样图
图2  不同规格泡沫镍的拉伸强度
图3  环氧树脂/碳化硅复合材料的拉伸强度
Tensile strength
σ/MPa
C0# C1# C2# C3# C4# C5#
SiC content 0 g 37.767 27.373 30.69 24.399 29.798 20.022
10 g 40.064 28.904 31.159 25.716 29.663 19.204
20 g 42.15 27.334 31.503 25.556 28.124 21.335
30 g 38.373 26.207 30.437 26.312 32.996 20.88
表2  不同的复合材料的拉伸强度
图4  双连续复合材料C2#的拉伸断面形貌
图5  复合材料的拉伸破坏示意图
图6  不同泡沫镍和不同双连续复合材料的载荷-位移曲线
图7  双连续复合材料的载拉伸载荷-位移曲线对比
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