The Strength of Egg Trays under Compression: A Numerical and Experimental Study

Tiklamalar: 254
ID: 117127
2020
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Ozet
This work concerns the analysis of egg packages subjected to compression. Experimental investigations were carried out to determine the curves of compression and maximum loads. To compare packages accessible on the market, several different shapes of egg packages were tested after being conditioned in air with a relative humidity of 50%. Several paper structures in stock were compressed. By validating the experiment results, numerical computations based on the finite element method (FEM) were executed. The estimations of a numerical model were performed with the use of the perfect plasticity of paper and with the assumption of large strains and deflections. Our own two structures of egg packaging were taken into account: basic and modified. The material of the packages was composed of 90% recovered paper and 10% coconut fibres. This paper involved the numerical modelling of such complex packaging. Moreover, our research showed that introducing several features into the structures of the packaging can improve the stiffness and raise the maximum load. Thanks to the application of ribs and grooves, the strength ratio and compression stiffness, in comparison to the basic tray, increased by approximately 23.4% and 36%, respectively. Moreover, the obtained indexes of modified trays were higher than the majority of the studied market trays.
Referans Anahtari
czechowski2020materialsthe Kullanarak makale yazarken otomatik alinti icin bu anahtari kullanin SciMatic Makale Yoneticisi veya Tez Yoneticisi
Yazarlar Leszek Czechowski;Gabriela Kmita-Fudalej;Włodzimierz Szewczyk;Czechowski, Leszek;Kmita-Fudalej, Gabriela;Szewczyk, Włodzimierz;
Dergi Materials (Basel, Switzerland)
Yil 2020
DOI
10.3390/ma13102279
URL
https://www.mdpi.com/1996-1944/13/10/2279
Anahtar Kelimeler
Finite Element Method experimental studies egg packages structure failure

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