Engineering Transactions, 64, 4, pp. 635–641, 2016

Identification of Thermo-Mechanical Properties of Natural Polymers with a Hybrid Method

Krzysztof TALAŚKA
Poznań University of Technology
Poland

Ireneusz MALUJDA
Poznań University of Technology
Poland

This article presents the results of experimental research into beech wood shearing. The applied research methodology has made it possible to obtain average values of basic strength parameters of wood: ultimate strength, yield point and the Kirchhoff's shear modulus. In order to investigate the phenomenon of wood damage resulting from shearing forces, the attempt has been made to use the hybrid method. It combines the advantages of experimental research with a detailed investigation of the phenomenon by means of FEM analysis. The wood shearing tests have been recreated in Abaqus software in order to identify the areas in wood specimens where damage stresses appear first. The article contains sample results of experimental and numerical research with their comparative evaluation.
Keywords: shearing of wood; experimental research; FEM analysis
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References

Bednarski T., Mechanics of plastic flow at a glance [in Polish], Wydawnictwo Naukowe PWN, Warszawa 1995

Dudziak M., Malujda I., Talaśka K., Łodygowski T., Sumelka W., Analysis of the process of wood plasticization by hot rolling, Journal of Theoretical and Applied Mechanics, 54(2): 503–516, 2016, doi: 10.15632%2Fjtam-pl.54.2.503.

German J., Fundamentals of mechanics of fiber composites [in Polish], Politechnika Krakowska, Kraków 2001, http://limba.wil.pk.edu.pl/~jg/wyklady_komp/.

Kubik J., Mielniczuk J., Plasticity theory for anisotropic porous metals, Engineering Fracture Mechanics, 21(4): 663–671, 1985, doi: 10.1016/0013-7944(85)90076-1.

Malujda I., Plastic yield of particulate materials under the effect of temperature, [in:] Progress in Industrial Mathematics at ECMI 2008, vol. 15, Fitt A.D., Norbury J., Ockendon, H., Wilson E. (Eds.) Springer-Verlag Berlin Heidelberg, pp. 939–944, 2010.

Malujda I., Plasticization of a bounded layer of anisotropic and loose material, Machine Dynamics Problems, 30(4): 48–59, 2006.




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