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RISS 인기검색어
- 검색키워드
- 저자 : Bamber R. K. Blackman (검색결과 1 건)
- 무료
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A study of the impact properties of adhesively-bonded aluminum alloy based on impact velocity
Teng Gao,Anthony J. Kinloch,Bamber R. K. Blackman,F. S. RODRIGUEZ SANCHEZ,이상교,조종두,방혜진,전성식,조재웅 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.2
In this study, an experiment and a simulation were carried out on colliding an adhesively-bonded tapered double cantilever beam(TDCB) at the impact velocities of 5 m/s, 7.5 m/s and 12.5 m/s. The analysis method of the corrected beam theory (CBT) was used toobtain the rate of energy release in the bonded area according to the crack progression, and a simulation was performed to determine themaximum strain energy during the impact analysis as a means to examine the mechanical properties of aluminium alloy. The experimentaldata were found to be higher than the simulation data. This is deemed to explicable by the fact that the adhesive strength was maintainedeven after the specimen separated in the experiment. Crack progression occurred, irrespective of the impact velocity, and highstrain energy occurred at the end of the bonded region, thereby causing the strain energy to increase in the final stages. Also, the maximumload applied on the pin and the maximum strain energy in the bonded area were shown increase at higher impact velocities. Theresults of the experiment and simulation performed in this study are expected to serve as important data in developing a safety design forcomposite materials that can help prevent the progression of cracks caused by impact.
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