二维C/SiC复合材料高温压缩力学行为研究

兵工学报 ›› 2010, Vol. 31 ›› Issue (4): 516-520.

二维C/SiC复合材料高温压缩力学行为研究

索涛，李玉龙，刘明爽

(西北工业大学航空学院，陕西西安 710072)

收稿日期:2010-01-06 修回日期:2010-01-06 上线日期:2014-05-04
通讯作者: 索涛 E-mail:suotao@nwpu.edu.cn
作者简介:索涛（1979—），男，讲师，博士
基金资助:
国家自然科学基金项目(10902090)；教育部博士点基金项目(20070699044)

Research on Mechanical Behavior of 2D C/SiC Composites at Elevated Temperature Under Uniaxial Compression

SUO Tao， LI Yu-long， LIU Ming-shuang

(School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China)

Received:2010-01-06 Revised:2010-01-06 Online:2014-05-04
Contact: SUO Tao E-mail:suotao@nwpu.edu.cn

摘要/Abstract

摘要： 利用电子万能实验机和具有高温同步加载能力的分离式Hopkinson压杆装置，研究了二维碳纤利用电子万能实验机和具有高温同步加载能力的分离式Hopkinson压杆装置，研究了二维碳纤维增韧的碳化硅复合材料在室温293 K~873 K时的准静态及动态压缩力学性能。实验结果表明：材料在高温下仍具有较高的承载能力，与室温时相比其动态抗压强度在873 K时仅下降了10%. 分析认为，导致材料压缩强度随温度升高而下降的原因主要是由两个方面共同作用的结果：一是由于热膨胀系数不同引起的残余应力；二是氧化造成的承载能力下降，但氧化行为对该材料破坏强度的影响起到决定性作用。

关键词: 固体力学, 碳化硅复合材料, 高温, 高应变率, 抗压强度

Abstract: The quasi-static and dynamic compression mechanical behaviors of a kind of 2D C/SiC composite were investigated at temperatures ranging from 293 K to 873 K using the electronic universal testing machine and the split Hopkinson pressure bar. The experimental results show that the material still has a good carrying capacity even at the elevated temperature. The compressive strength of the composite at 873 K decreases by only 10% comparing with that at 293 K. The catastrophic brittle failures were not observed under both quasi-static and dynamic loading. It has been found through analysis that the decrease in carrying capacity of 2D C/SiC composite at elevated temperature is probably due to two reasons: the first one is the residual stress between the two phases because of the different coefficient of heat conductivity,and the second one is the effect of oxidation, which is considered as the more dominating reason of the softening behavior of 2D C/SiC composite at elevated temperatures.

Key words: solid mechanics, C/SiC composite, high temperature, high strain rate, compressive strength

中图分类号:

TB332

索涛，李玉龙，刘明爽. 二维C/SiC复合材料高温压缩力学行为研究[J]. 兵工学报, 2010, 31(4): 516-520.

SUO Tao， LI Yu-long， LIU Ming-shuang. Research on Mechanical Behavior of 2D C/SiC Composites at Elevated Temperature Under Uniaxial Compression[J]. Acta Armamentarii, 2010, 31(4): 516-520.

参考文献

［1］张立同, 成来飞, 徐永东. 新型碳化硅陶瓷基复合材料的研究进展［J］.
航空制造技术， 2003，（1）：24-32.
ZHANG Li-tong, CHENG Lai-fei, XU Yong-dong. Progress in research work of new
CMC-SiC［J］. Aeronautical Manufacturing Technology,2003,(1): 24-32. (in Chines
e)
［2］徐永东，成来飞，张立同，等. 连续纤维增韧碳化硅陶瓷基复合材料研究［
J］. 硅酸盐学报，2002，30（2）：184-188.
XU Yong-dong, CHENG Lai-fei, ZHANG Li-tong, et al. Research on continuous fib
er reinforced silicon carbide composites［J］. Journal of the Chinese Ceramic Society, 2002, 30(2):184-188. (in Chinese)
［3］ Yin X W, Cheng L F, Zhang L T, et al. Oxidation behaviors of C/Si
C in the oxidizing environments containing water vapor［J］. Materials Science a
nd Engineering A, 2003, 348: 47-53.
［4］ Cheng L F, Xu Y D, Zhang L T, et al. Oxidation behavior of three dimens
ional C/SiC composites in air and combustion gas environments［J］. Carbon, 2000
, 38: 2103-2108.
［5］ Yin X W, Cheng L F, Zhang L T, et al. Thermal shock behavior of 3-dimens
ional C/SiC composite［J］. Carbon, 2002, 40: 905-910.
［6］ Labrugère C, Guette A, Naslain R. Effect of ageing treatments at high te
mperatures on the microstructure and mechanical behaviour of 2D nicalon/C/SiC co
mposites. 1: ageing under vacuum or argon［J］. Journal of the European Ceramic
Society, 1997, 17: 623-640.
［7］ Labrugère C, Guette A, Naslain R. Effect of ageing treatments at high te
mperatures on the microstructure and mechanical behaviour of 2D nicalon/C/SiC co
mposites. 2: ageing under CO and influence of a SiC seal-coating［J］. Journal
of the European Ceramic Society, 1997, 17: 641-657.
［8］李玉龙，索涛，郭伟国，等. 确定材料在高温高应变率下动态性能
的Hopkinson杆系统［J］. 爆炸与冲击，2005，25（6）：487-492.
LI Yu-long, SUO Tao, GUO Wei-guo, et al. Determination of dynamic behavior of
materials at elevated temperatures and high strain rates using Hopkinson bar［J
］. Explosion and Shock Waves, 2005, 25(6): 487-492. (in Chinese)
［9］ Kolsky H. An investigation of the mechanical properties of materials at v
ery high rates of loading［J］. Proc Phys Soc B, 1949, 62:676-700.
［10］黄良钊，张安平. Al₂O₃陶瓷的动态力学性能研究［J］. 中国陶瓷. 1
999，35（1）：13-15.
HUANG Liang-zhao, ZHANG An-ping. A study of dynamic mechanical properties on
Al₂O₃ ceramics［J］. China Ceramics, 1999, 35(1): 13-15. (in Chinese)

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