C/SiC复合材料高温蠕变的声发射特性
Acoustic Emission Characteristic of C/SiC Composite During Creep at High Temperature
摘 要
利用声发射技术(AE)对C/SiC复合材料高温蠕变试验过程进行动态监测。通过声发射参数分析法对蠕变过程中的声发射累计能量随蠕变时间变化进行了分析；同时对蠕变过程中典型AE信号的频率特征进行了分析，揭示了C/SiC复合材料蠕变损伤的演化过程及规律，给出了材料蠕变损伤发展的不同阶段以及各阶段损伤类型。
C/SiC复合材料
蠕变
动态监测
Acoustic emission technique
C/SiC composite
Creep
Dynamic monitoring
Abstract
Acoustic emission(AE) was used to inspect the creep test at high temperature in real time. A parameter-analyzing approach was introduced to analyze energy, different damage phases and types of damage by AE data. The spectrum of typical AE signals was analyzed to reveal the damage evolution of C/SiC composite during creep. The mechanism in different stages of damage evolution was also differentiated.
中图分类号 TG115.28
所属栏目 科研成果与学术交流
基金项目 国家杰出青年科学基金(50425208)；国家自然科学基金重大计划重点项目(90405015)；西北工业大学博士创新基金(CX200406)
收稿日期 2006/11/13
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网络出版日期
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备注方 鹏(1980-)，男，博士研究生，主要从事陶瓷基复合材料声发射研究。
引用该论文: FANG Peng,CHENG Lai-Fei,ZHANG Li-Tong,LUAN Xin-Gang,MEI Hui. Acoustic Emission Characteristic of C/SiC Composite During Creep at High Temperature[J]. Nondestructive Testing, 2008, 30(2): 81～83
方 鹏,成来飞,张立同,栾新刚,梅 辉. C/SiC复合材料高温蠕变的声发射特性[J]. 无损检测, 2008, 30(2): 81～83
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参考文献
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【2】Boiter G, Chermant J L, Cubcro H, et al. CMC creep mechanism under argon[C]. Krenkel W, Naslain R, Schncider H. High Temperature Ceramic Matrix Composites. Wileyvce Verlag Gmb H, D-69469 Weinheim,2001:492-497.
【3】Zhu S, Mizuno M, Kagawu Y, et al. Monotonic tension, fatigue and creep behavior of SiC-fiber reinforced SiC-matrix composites: a review[J]. Comp Sci Eng,1999,(59):833-851.
【4】Boitier G, Chermant J L, Vicens J. Multiscal investigation of the creep behavior of 2.5D Cf-SiC composites[J]. J of Materials Science,1999,(34):2759-2767.
【5】Boitier G, Chermant J L. Nanostructure study by TEM and HREM of carbon fiber in Cf-SiC composites[J]. J of Materials Science,1997,(16):1402-1405.
【6】勝山邦久，著.声发射(AE)技术的应用[M]. 冯夏庭,译.北京: 冶金工业出版社,1996.
【7】Surgeon M, Vanswijgenhoven E, Wevers M,et al. Acoustic emission during tensile testing of SiC-fiber-reinforced BMAS glass-ceramic composites[J]. Composites Part A,1997,(28A):473-480.
【8】Gregory N, Morscher. Modal acoustic emission of damage accumulation in a woven SiC/SiC composite[J]. Composites Science and Technology,1999,(59):687-697.
【9】Bakuckas J G. Monitoring damage growth in titanium matrix composites using acoustic emission[J]. Journal of Composite Materials,1994,28(4):305-328.
【10】Jyi-Jiin Luo, Shi-Chang Woob, Isaac M Daniel. Acoustic emission study of failure mechanism of ceramic matrix composite under longitudinal tensile loading[J]. Journal of Composite Materials,1995,29(15):1946-1961.
【11】金周庚,刘哲军,王 健,等.B/Al复合材料变形和断裂过程声发射特性[J].稀有金属,1999,23(3):162-165.
【12】朱祖铭,石南林,王中光,等.SiC单纤维钴基复合材料界面的声发射研究[C].峨眉山：第六届全国声发射学术年会,1995.
【13】唐纳特J B, 班萨尔R C.碳纤维[M].李仍元, 过梅丽,译.北京：科学出版社,1989.
【14】Chawla K K. Ceramic Matrix composites[M]. London: Chapman & Hall,1993.
【15】Zhu S J. Fatigue and creep characteristics of fiber reinforced ceramics (Overview)[J]. Materia Japan,1999,(38):420-424.
【16】Mizuno M, Zhu S J, Kagawa Y, et al. Stress, strain and elastic modulus behavior of SiC-fiber/SiC composites during creep and cyclic fatigue tests[J]. J Euro Ceram Soc,1998,(18):1869-1878.
【17】Zhu S J, Mizuno M, Nagano Y, et al. Tensile creep behavior of SiC-fiber reinforced SiC composites at high temperatures[J]. Mater Sci Eng,1997,(A225):69-77.
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