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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BWAN-0001-0004

Czasopismo

Archives of Materials Science and Engineering

Tytuł artykułu

Damage initiation mechanism in rubber sheet composites during the static loading

Autorzy Luong, R.  Isac, N.  Bayraktar, E. 
Treść / Zawartość http://www.archivesmse.org
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Purpose: Mechanical behaviour and damage initiation mechanisms in thin rubber sheet composites were investigated under static solicitation at room temperature. Two types of rubber are used in this study; Natural rubber, NR vulcanised and reinforced by carbon black and Synthetic rubber (styrene-butadiene-rubber, SBR). Design/methodology/approach: A comprehensive study has been carried out in order to identify a threshold criterion for the damage mechanism to explain a tearing criterion for the concept of tearing energy of the elastomers and also to give a detail for the damage mechanism depending on the loading conditions. A typical type of specimen geometry of thin sheet rubber composite materials was studied under static tensile tests conducted on the smooth and notched specimens with variable depths. In this way, the effects of the plane stress on the damage mechanism are characterized depending on the rubber materials. Findings: Damage mechanisms during tensile test have been described for both of rubber types and the criteria which characterize the tearing resistance, characteristic energy for tearing (T) was explained. Damage in the specimens were evaluated just at the beginning of the tearing by means of the observations in the scanning electron microscopy (SEM). Practical implications: A tearing criterion was suggested in the case of simple tension conditions by assuming large strain. In the next step of this study, a finite element analysis (FEA) will be applied under the same conditions of this part in order to obtain the agreement between experimental and FEA results. Originality/value: This study propses a threshold criterion for the damage just at the beginning of the tearing for thin sheet rubber composites and gives a detail discussion for explaining the damage mechanisms by SEM results. This type of study gives many facilities for the sake of simplicity in industrial application.
Słowa kluczowe
PL mechanizm uszkodzenia   obciążenie statyczne   kompozyt gumowy   naprężenie płaskie   energia zniszczenia  
EN damage mechanism   static solicitation   rubber composites   plane stress   tearing energy  
Wydawca International OCSCO World Press
Czasopismo Archives of Materials Science and Engineering
Rocznik 2007
Tom Vol. 28, nr 1
Strony 19--26
Opis fizyczny Bibliogr. 21 poz., il., wykr.
Twórcy
autor Luong, R.
autor Isac, N.
autor Bayraktar, E.
  • Supmeca/LISMMA-Paris, School of Mechanical and Manufacturing Engineering, EA 2336, St-Ouen, France, bayraktar@supmeca.fr
Bibliografia
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[2] G. J. Lake, Fatigue and fracture of elastomers, Rubber Chemical Technology, 66 (1995) 435-460.
[3] H. W. Greensmith, The change in Stored Energy on Making a Small Cut in a Test Piece held in Simple Extension, Journal Polymer Science 7 (1963) 993-1002.
[4] R. Luong, MSc thesis, SUPMECA-Paris/LISMMA, EA-2336, St-Ouen, Paris/FRANCE, 2004.
[5] P. B. Lindley, Energy for crack growth in model rubber components, Journal Strain Anal 7 (1972) 132-140.
[6] A. Kadir, A. G. Thomas, Tear Behaviour of Rubbers over a Wide Range of Rates, Rubber Chemistry and Technology, 54 (1981) 15-23.
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[9] E. Bayraktar, F. Montembault and C. Bathias, Damage Mechanism of Elastomeric Matrix Composites, Proceedings of experimental mechanics 2005, Paper n°353, session 057, SEM-2005 Portland Oregon USA.
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[11] Jihuai Wu, Jinling Huang, Naisheng Chen, Congrong Wei and Yike Chen, Preparation of modified ultra-fine mineral powder and interaction between mineral filler and silicone rubber, Journal of Materials Processing Technology 137 (2003) 40-44.
[12] E. Bayraktar, F. Montembault and C. Bathias, Multiscale Observation of Polymer Materials in order to explain Mechanical Behaviour and Damage Mechanism by x-ray Computed Tomography, Journal of Materials Processing Technology 20 (2004) 27-31.
[13] Hamid Ghaemi, K. Behdinan and A. Spence, On the development of compressible pseudo-strain energy density function for elastomers: Part 1. Theory and experiment, Journal of Materials Processing Technology 178 (2006) 307-316.
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[15] E. Bayraktar K. Bessri and C. Bathias, Deformation behaviour of elastomeric matrix composites under static loading conditions, Euromech-473, Porto, Portugal, 2005, 27-29.
[16] R. Luong, N. Isac, E. Bayraktar, Failure mechanisms in thin rubber sheet composites under static solicitation, International Journal of Achievements in Materials and Manufacturing Engineering, 21 Issue 1 (2007) 43-46.
[17] R. Zulkifli, L. K. Fatt, C. H. Azhari and J. Sahari, Interlaminar fracture properties of fibre reinforced natural rubber/polypropylene composites, Journal of Materials Processing Technology, 128 (2002) 33-37.
[18] R. M. V. Pidaparti, T. Y. Yang, W. Soedel, A plane stress FEA for the prediction of rubber fracture, International Journal of Fracture 39 (1989) 255-268.
[19] G. Hamed, Energy dissipiation and the fracture of rubber vulcanizates, Rubber Chem. & Technology 64 (1991) 493-500.
[20] E. Bayraktar, K. Bessri and C. Bathias, Nucleation and Growth and Instability of the Cavitations in elastomers, Proceedings on 16th European Conference of Fracture, ECF 16, 2006, Greece.
[21] Hamid Ghaemi, K. Behdinan and A. Spence, On the development of compressible pseudo-strain energy density function for elastomers: Part 2. Application to FEM, Journal of Materials Processing Technology 178 (2006) 317-327.
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