지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.14 Number.2
- 발행연도
- 2013.6
- 수록면
- 140 - 145 (6page)
이용수
초록· 키워드
오류제보하기
The development of high performance fabrics have advanced body armor technology and improved ballistic performance while maintaining flexibility. Utilization of the shear thickening phenomenon exhibited by Shear Thickening Fluids (STF) has allowed further enhancement without hindering flexibility of the fabric through a process of impregnation. The effect of STF impregnation on the ballistic performance of fabrics has been studied for impact velocities below 700 m/s. Studies of STF-impregnated fabrics for high velocity impacts, which would provide a transition to significantly higher velocity ranges, are lacking. This study aims to investigate the effect of STF impregnation on the high velocity impact characteristics of Kevlar fabric by effectively dispersing silica nanoparticles in a suspension, impregnating Kevlar fabrics, and performing high velocity impact experiments with projectile velocities in the range of 1 ㎞/s to compare the post impact characteristics between neat Kevlar and impregnated Kevlar fabrics. 100 ㎚ diameter silica nanoparticles were dispersed using a homogenizer and sonicator in a solution of polyethylene glycol (PEG) and diluted with methanol for effective impregnation to Kevlar fabric, and the methanol was evaporated in a heat oven. High velocity impact of STF-impregnated Kevlar fabric revealed differences in the post impact rear formation compared to neat Kevlar.
목차
Abstract
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusion
References
참고문헌 (11)
참고문헌 신청
Hoffman, R. L. / 2010 / Explanations for the cause of shear thickening in concentrated colloidal suspensions / Journal of Rheology 42(1):111~123
Lee, Y. S. / 2003 / The ballistic impact characteristics of Kevlar woven fabrics impregnated with a colloidal shear thickening fluid / Journal of Materials Science 38(1):2825~2833
Clements, F. E. / 2007 / Enhancing the stab resistance of flexible body armor using functionalized SiO2 nanoparticles / 16th International Conference on Composite Materials
Kim, C. G. / 2010 / The ballistic impact characteristics of woven fabrics impregnated with a colloidal suspension and flattened rolls / Advances in Science and Technology 71:74~79
Lee, B. W. / 2009 / The influence of the particle size of silica on the ballistic performance of fabrics impregnated with silica colloidal suspension / Journal of Composite Materials 43(23):2679~2698
Lee, Y. S. / 2003 / The ballistic impact characteristics of Kevlar woven fabrics impregnated with a colloidal shear thickening fluid / Journal of Materials Science 38(1):2825~2833
Clements, F. E. / 2007 / Enhancing the stab resistance of flexible body armor using functionalized SiO2 nanoparticles / 16th International Conference on Composite Materials
Kim, C. G. / 2010 / The ballistic impact characteristics of woven fabrics impregnated with a colloidal suspension and flattened rolls / Advances in Science and Technology 71:74~79
Lee, B. W. / 2009 / The influence of the particle size of silica on the ballistic performance of fabrics impregnated with silica colloidal suspension / Journal of Composite Materials 43(23):2679~2698
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UCI(KEPA) : I410-ECN-0101-2014-550-002959722