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Wyświetlanie 1-2 z 2
Tytuł:
Finite Element Analysis of Pallet-Nail Materials Used in Pallet Joint Design for Material Handling Works
Autorzy:
Karaçalı, Ö.
Taner Ulguel, A.
Powiązania:
https://bibliotekanauki.pl/articles/1194867.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
02.70.Dh
62.20.F-
Opis:
The aim of this research was to construct a nailing model based on the shape and material of the prepared nail-pallet joint. The finite element analysis was used due to the stress occurring in joining process, geometry of the nail and rigidness of the wood material. The behavior of palette system under loading was investigated according to material behavior and strain-stress distribution in this research. In order to simulate phenomena in real system, a simplified model of nail-pallet joint system was worked out. The simplifications concerned mostly geometry of nail. The nail was represented by height h = 60 mm, corresponding with thickness of pallet. The effect of numerical analysis was determination of strains and stresses in working part of the nail-pallet. Results of analysis indicate diverse values of strains and stresses distribution in working part of the nail-pallet depending on its geometry. The numerical analysis of the operational nail-pallet joint system in simulated conditions of nailing in a pallet can be a basis for optimization of cutting edge geometry of joining tools as well as for selection of their mechanical properties and suitable materials. The results of this analysis are helpful for pallet design engineers for material selection and material handling interest.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 183-185
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase analysis of NiTi shape memory wires and computer simulations of the superelastic effect
Autorzy:
Młocek, B.
Lekston, Z.
Zubko, M.
Rak, J.
Stróż, K.
Powiązania:
https://bibliotekanauki.pl/articles/1058069.pdf
Data publikacji:
2016-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
02.70.-c
62.20.F-
81.70.-q
Opis:
Shape memory alloys belong to the group of intelligent materials due to their exceptional properties related to reversible martensitic transformation. They show both superelasticity and shape memory effects. The modelling of the superelastic phenomena occurring in NiTi alloys is important due to its application in the further development of materials for dedicated applications. A computer simulation of static tensile test was carried out using the finite element method for NiTi wire and obtained results were compared with experimental curve. For the determination of phase composition at ambient temperature and courses of phase transitions during cooling and heating the X-ray powder diffraction and differential scanning calorimetry methods were used. X-ray diffraction phase analysis exhibited that the studied wire at room temperature has B2 - parent phase structure. Additionally, differential scanning calorimetry measurements showed that the phase transformations during cooling and heating occur in a temperature range of about -20 to +30°C.
Źródło:
Acta Physica Polonica A; 2016, 130, 4; 1063-1065
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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