全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

利用声发射技术监测颗粒填充聚合物材料的裂纹扩展过程

DOI: 10.11858/gywlxb.2000.03.014, PP. 235-240

Keywords: 颗粒填充聚合物材料,声发射,损伤,断裂

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用声发射技术监测了颗粒填充聚合物材料含单边缺口试样承受三点弯曲载荷时裂纹尖端形成损伤并断裂的全过程,明显地区分了裂纹尖端起裂和扩展的不同阶段,有效地识别了颗粒填充聚合物材料的破坏模式。研究表明,在承载状态下,裂纹尖端损伤起始和扩展分为3个阶段,且裂纹起裂至快速扩展存在一个演变过程;结合SEM观察结果,判定该材料的断裂模式以颗粒与基材的界面分离为主。

References

[1]  Drouillard T F. A History of Acoustic Emission [J]. Journal of Acoustic Emission, 1996, 14(1): 1-25.
[2]  Zhu Zuming, Sun Lizhi, Li Shouxin, et al. Acoustic Emission Study on Fracture Mechanisms of SiC Particle Reinforced Aluminum Matrix Composite [A]. Kishi T, Mori Y, Enoki M. Progress in Acoustic EmissionⅦ [C]. Sapporo (Japan): The Japanese Society for Non-Destructive Inspection, 1994: 237-242.
[3]  腾山邦久. 声发射技术的应用 [M]. 冯夏庭译. 北京: 冶金工业出版社, 1996.
[4]  Carpenter S H. Detecting and Monitoring Crack Growth in Austenitic and Ferritic Steels [R]. DE88004204, 1998.
[5]  Dharan C K H. Delamination Fracture and Acoustic Emission in Carbon, Aramid and Glass-Epoxy Composites [R]. DE87008224, 1987.
[6]  董海山, 周芬芬. 髙能炸药及其相关物性能 [M]. 北京: 科学出版社, 1989.
[7]  [5 ] Luo Jingrun, Zhao Fangfang, Zhang Shouqi, et al. Study on Damage Evolution and Constitutive Relation of PBX [A]. Zhang Shouqi, Zhao Yuhua. Proceedings of the 3rd International Autumn Seminar on Propellants, Explosives and Pyrotechnics [C]. Chengdu: Sichuan Publishing House of Science and Technology, 1999: 390-394.
[8]  袁振明, 马羽宽, 何泽云. 声发射技术及其应用 [M]. 北京: 机械工业出版社, 1985.
[9]  Luo Jingrun, Zhang Shouqi, Li Dahong, et al. Fracture Characters of High Explosive and Its Simulacrum [A]. Yu M H, Fan S C. Strength Theory [C]. Beijing: Science Press, 1998: 805-809.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133