Formation of Sensitive Phases in Metal and Polymer Based Structural Materials for Health Monitoring

Abstract

This paper describes new ideas the author has proposed to realize metal and polymer based sensitive structural material systems suitable for health monitoring without using commercially available sophisticated and expensive sensors. The following topics are mainly examined in this study: (1) Embedding a normal optical fiber in aluminum based materials such as SiC fiber reinforced aluminum composites to use as a sensor for fracture process monitoring; (2) forming an optical interference type strain sensor or an optical loss type strain sensor in host materials simply by embedding a singly or multiply notched optical fiber and breaking it at each notch in the host materials; (3) forming a multifunctional sensor in aluminum based materials for temperature and strain monitoring simply by embedding an oxidized nickel fiber in them.

Get full access to this article

View all access options for this article.

References

1. For example, Gandhi, M.V. and Thompson, B.S. (1992). Smart materials and structures. Chapman & Hall, London .

23(1997), 166.

3. Chang, C. and Sirkis, J. (1995). Optical fiber sensors embedded in composite panels for impact detection. In: Proc. Smart Structures and Materials, SPIE 2444, pp. 502-513.

4. Foedinger, R.et al. (1999). Development and evaluation of filament wound composite motorcase structures with embedded sensor arrays . Science of Advanced Materials and Process Engineering Series, 44, 227-241 .

5. Okafor, A.et al. (1995). Damage detection in composite laminates with buit-in piezoelectric devices using modal analysis and neural network. In: proc. Smart Structures and Materials, SPIE 2444, pp. 314-325.

6. Chang, F. (1999). Built-in structural health monitoring. In: Proc. Intl. Conf. Smart Materials, Structures & Systems, ISSS-SPIE'99, pp. 44-49.

7. For example, Steenkiste, R. and Springer, G. (1997). Strain and temperature measurement with fiber optic sensors. Technomic, Lancaster .

8. Mittnick, M.A. (1990). Continuous SiC fiber reinforced metals . SAMPE J., 26, 49-54 .

9. Asanuma, H.et al. (1989). Lower temperature fabrication of fiber reinforced metal using insert and its secondary forming . In: Proc. 1st Japan Intl. SAMPE Sympo., pp. 979-984 .

10.

10. Asanuma, H.et al. (1993). A unique fabrication process of optical fiber/aluminum alloy composites . In: Proc. 1st Intl. Conf. Processing Materials for Properties, TMS, pp. 983-986 .

11.

11. Asanuma, H.et al. (1995). Fabrication of fiber reinforced aluminum smart composites with optical fiber by the interphase forming/bonding method, smart structures and materials . SPIE 2444, 396-402 .

12.

12. Paolozzi, A., Felli, F. and Caponero, M.A. (1999). Global temperature measurements of aluminum alloy specimens with embedded optical fibers . In: Proc. 2nd Intl. Workshop on Structural Health Monitoring, pp. 257-264 .

13.

13. Asanuma, H. and Du, H. (2000). Monitoring of optical transmission loss through optical fiber embedded in SiC fiber reinforced aluminum composite during tensile test . Applied Mechanics and Engineering, 5, 7-18 .

14.

14. Asanuma, H.et al. (1996). Health monitoring of a continuous fiber reinforced aluminum composite with embedded optical fiber . J. Intelligent Material Systems and Structures, 7, 307-311 .

15.

15. Prat, C.et al. (1996). Optical diagonostics of laserinduced compression wave in composite material . In: Proc. XI Intl. Sympo. Gas Flow and Chemical Lasers and High-Power Laser Conf., SPIE 3092, pp. 647-650 .

16.

16. Asanuma, H.et al. (1999). In-situ formation of sensor and actuator in polymer and metal based composites . In: Proc. Intl. Conf. Smart Materials, Structures & Systems, ISSS-SPIE '99, pp. 79-86 .

17.

17. Ishii, T. and Asanuma, H. (1999). Embedment of oxidized nickel fiber in aluminum matrix to form a sensor for temperature and starin measurements . In: Proc. 6th Japan Intl. SAMPE Symposium, pp. 959-962 .