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Abstrakty
This study presents results on the dynamic response of safety toe cap models made of high-strength steel. The structural response to impact loading conditions under normative requirements was properly related to tap the potential of lightweight design for significant reduction of thickness. A fully martensitic steel grade was selected, and numerical models were used to study extensive plastic deformation and strain-rate dependence. Material properties were modelled using the Cowper-Symonds models. The numerical simulation was developed using ANSYS explicit dynamics software and was compared to an experimental standard testing of final prototypes. The numerical modelling approach analysed different friction models seeking to better describe collapsing behaviour. A local stiffening toe cap model with high energy absorption efficiency was validated.
Czasopismo
Rocznik
Tom
Strony
175--185
Opis fizyczny
Bibliogr. 13 poz., rys., tab., wykr.
Twórcy
autor
- Department of Mechanical Engineering University of Minho Guimar˜aes, Portugal
autor
- Department of Mechanical Engineering University of Minho Guimar˜aes, Portugal
Bibliografia
- 1. European Committee for Standardization (CEN), EN 12568:2012, Foot and leg protectors – Requirements and test methods for toecaps and penetration resistant inserts, 2012.
- 2. Chiou S.S., Turner N., Zwiener J., Weaver D.L., Haskell W.E., Effect of boot weight and sole flexibility on gait and physiological responses of firefighters in stepping over obstacles, Human Factors: The Journal of the Human Factors and Ergonomics Society, 54(3): 373–386, 2012, http://journals.sagepub.com/doi/abs/10.1177/0018720811433464.
- 3. Turner N.L., Chiou S., Zwiener J., Weaver D., Spahr J., Physiological effect of boot weight and design on men and women firefighters, Journal of Occupational and Environmental Health, 7(8): 477–482, 2010, http://www.tandfonline.com/doi/ abs/10.1080/15459624.2010.486285.
- 4. Costa S.L., Mendonc¸a J.P., Peixinho N., Numerical simulation of quasi-static compression behavior of the toe cap component for safety footwear, International Journal of Computer Theory & Engineering, 6(4), 2014, http://www.ijcte.org/index.php?m=content&c=index&a=show&catid=57&id=1047.
- 5. Sakundarini N., Taha Z., Abdul-Rashid S.H., Ghazila R.A.R., Optimal multimaterial selection for lightweight design of automotive body assembly incorporating recyclability, Materials & Design, 50: 846–857, 2013, http://www.sciencedirect.com/science/ article/pii/S0261306913002938.
- 6. Lee S.M., Lim T.S., Damage tolerance of composite toecap, Composite Structures, 67(2): 167–174, 2005, http://www.sciencedirect.com/science/article/pii/S0263822304003241.
- 7. Kuhn M., Nowacki J., Himmel N., Development of an innovative high performance FRP protective toe cap, Journal of Materials: Design and Applications, 219(2): 91–109, 2005.
- 8. Deka L.J., Bartus S.D., Vaidya U.K., Multi-site impact response of S2-glass/epoxy composite laminates, Composites Science and Technology, 69(6): 725–735, 2009, http://www.sciencedirect.com/science/article/pii/S0266353808000857.
- 9. Ho M.P., Lau K.T., Design of an impact resistant glass fibre/epoxy composites using short silk fibres, Materials & Design, 35: 664–669, 2012, http://www.sciencedirect.com/ science/article/pii/S0261306911006959.
- 10. Kurth K.P., Grosbol M., European Patent No. EP 2286686. Munich, Germany: European Patent Office, 2011.
- 11. Davoodi M.M., Sapuan S.M., Ahmad D., Ali A., Khalina A., Jonoobi M., Mechanical properties of hybrid kenaf/glass reinforced epoxy composite for passenger car bumper beam, Materials & Design, 31(10): 4927–4932, 2010, http://www.sciencedirect.com/science/article/pii/S026130691000302X.
- 12. Costa S.L., Peixinho N., Mendonc¸a J.P., Metal toe cap for safety footwear, Patent application WO2015015477A1, 2015.
- 13. Costa S.L., Mendonc¸a J.P., Peixinho N., Study on the impact behaviour of a new safety toe cap model made of ultra-high-strength steels, Materials & Design, 91: 143–154, 2016, https://www.sciencedirect.com/science/article/pii/S0264127515308248.
Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d7446789-3446-488e-9f0c-f3956706e64f