Nanocomposites based on polymer-clay mixtures are a growing area of interest due to their potential in flexible applications. In this study, new nanocomposite materials were produced from the components of recycled thermoplastic as the matrix and montmorillonite as the filler by using a co-rotating twin screw extruder. During this study, recycled Poly(Ethylene Terephthalate), rPET, was mixed with organically modified quaternary alkyl ammonium montmorillonite in the contents of 1, 2, and 5 weight %. Three types of clays were evaluated during the studies. For comparison, 2 weight % clay containing samples were prepared with three different clay types, Cloisite 15A, 25A, 30B.Even though, 2wt% Cloisite25A shows better mechanical properties, 2 wt% Cloisite30B is better in respect of electrical properties.
Optimization of the wear properties of AA6082/12%ZrO2 AMCs prepared through compo casting process using Taguchi’s S/N analysis was evaluated. Taguchi’s process was utilized and L9 orthogonal array was elected for behaving the wear tests. Optimal process parameters are estimated to eliminate the wear characteristics of the composite. Moreover, the effect of ANOVA also demonstrates that the sliding distance, the applied force and the sliding velocity have an essential function in the reduction of wear (gram). The values of the tests are consistent with the methodology of Taguchi.
CubeSat is one of the trending technologies in the developed and developing countries across the globe. Various materials are used in the manufacturing of a CubeSat's subsystems. Structural subsystem is an essential one for a CubeSat's mission as it bears all the components, payload, and withstand space environment. Usually, aluminium alloys are used in the construction of outer structural frame. In this paper, Al-SiC metal matrix composite is analysed and compared with the conventional Al 7075 T651 alloy. Simulation is done with the help of ANSYS 19.2 software. A series of Static structural, Modal, and Transient thermal analysis is carried out on both materials. Al7075 T651 performed better in most cases. But also, Al-SiC showed good results in specific cases like lesser deformation, modal analysis at higher vibrations. Al-SiC could be combined with the existing aluminium alloys in the manufacturing of CubeSat's structural frame for a better and efficient output in a specific environment.
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