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Experimental study of the compressive performance of life jacket use polyurethane foam for blast wave protection
Li MH; Bai CH; Shi MW; Wei YP(魏延鹏); Zhou H; Shen YH
Conference Name2012 2nd International Conference on Advanced Material Research, ICAMR 2012
Conference DateJAN 07-08, 2012
Conference PlaceChengdu, China
AbstractUnderwater blast injury is a common war injury during combat around islands or fighting for beachhead, and is also ordinary in underwater engineering construction blast. Adding an extra underwater blast wave protection layer and Integration with life jacket is a reasonable protection measure. Four different low mass density closed cell polyurethane foams used in life jacket have been tested by quasi-static material testing machine, and the dynamic mechanical behavior at strain rates of 10-3~10-1s-1 has been analyzed. The yield strength has been tested with Split Hopkinson Pressure Bar. Experimental results show that the compressive performance of the polyurethane foam is sensitive to the strain rates. The polyurethane foams' yield strength shows rising trend along with strain rates increase. Under the condition of the plateau yield strength below human's allowable pressure, the energy absorption performance of the polyurethane foams has been analyzed and in contrast.
KeywordOcean Engineering Strain Rate Yield Stress Absorption Performance Blast Waves Closed Cells Compressive Performance Dynamic Mechanical Behavior Experimental Studies Life Jackets Low Mass Material Testing Polyurethane Foam Protection Layers Protection Measures Quasi-static Split Hopkinson Pressure Bars Underwater Blast Injury
Indexed ByEI
Document Type会议论文
Corresponding AuthorLi MH
Recommended Citation
GB/T 7714
Li MH,Bai CH,Shi MW,et al. Experimental study of the compressive performance of life jacket use polyurethane foam for blast wave protection[C]ADVANCED MATERIALS RESEARCH II,2012:457-462.
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