Modelling of stresses and strains in two-layer combined materials at their formation

• Autorzy: Koloskova G. M.

Identyfikatory

DOI

10.5604/01.3001.0013.2866

• Języki publikacji: EN

Abstrakty

EN

Purpose: The aim of the represented study was to model the behaviour of two-layer combined material during its manufacturing. Design/methodology/approach: The model of material layers joining by means of calender method is built in LS-DYNA software on the basis of finite element method. Using the developed model the study of stress and strain condition changes is carried out. Numerical modelling was carried out for two types of two-layer combined materials in similar conditions. First combination was of high-density polyethylene top layer and aluminium foil bottom layer. Second combination was of high-density polyethylene top layer and low- density polyethylene bottom layer. Joining materials had equal thicknesses. Findings: During formation of two-layer combined materials the primary strain always occurs at the bottom plate of the bottom layer. However, the maximum plastic strain will be represented for the layer with lower elastic modulus value. At the point of the highest loading applied to the two-layer combined material the elasticity condition is changed to the plasticity one and the yield process is registered. Practical implications: Multi-layer combined materials are some of the most advanced types of materials. The quality of the joining of the layers, the strains and the stresses arising in their manufacturing process are the main causes of low interlayer strength. It leads to easy exfoliation and destruction of the material. The results of the study may be used to improve the quality of multi-layer combined materials. Originality/value: For the first time the model was developed for the determination of strains and stresses arising during the formation of multi-layer combined materials by means of calendering method. The calculations of the stresses and strains distribution dynamics for two-layer combined materials are represented for polymer-metal and polymer-polymer layers combinations. The results of the study may be of interest to specialists in the field of multi-layer combined materials designing and manufacturing.

Słowa kluczowe

EN

computational material science and mechanics; multi-layer combined material; stress and strain modelling; calendering method

PL

komputerowa nauka o materiałach; wielowarstwowy materiał łączony; modelowanie naprężeń i odkształceń

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2019
• Tom: Vol. 97, nr 1/2
• Strony: 12--19
• Opis fizyczny: Bibliogr. 21 poz.

Twórcy

autor

Koloskova G. M.

• Department of Theoretical Mechanics, Engineering Science and Robotics Systems, N. E. Zhukovsky National Aerospace University Kharkiv Aviation Institute, 17 Chkalova str., Kharkiv, 61070, Ukraine

Bibliografia

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• [14] F. Masoumi, A. Ghasemi-Ghalebahman, M.-J. Kokabi, Identification of mechanical and damage parameters of composite laminates based on a CPAM method, Journal of Reinforced Plastics and Composites 37/17 (2018) 1114-1128, DOI: https://doi.org/10.1177/0731684418793207.
• [15] T. Liu, X. Ma, P.K. Wong, J. Zhao, Z Xie, V.A. Melo Cristino, A Simplified Finite Element Approach for Modeling of Multilayer Plates, Shock and Vibration 2019 (2019) Article ID 7295615, DOI: https://doi.org/ 10.1155/2019/7295615.
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• [18] G.M. Koloskova, Experimental investigation of T-shaped welded joint of polymeric films, Issues of Design and Production of Aircraft Structures 3/83 (2015) 65-68 (in Russian).
• [19] S.V. Kotomin, K.P. Sollogoub, Adhesion strength in multilayer polymer films, Engineering Journal: Science and Innovation 5 (2014) 1-9 (in Russian).
• [20] LS-DYNA theoretical manual, Livermore Software Technology Corporation, Livermore, California, 1998.
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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).