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Browsing by Subject "Polymer composites"

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Dielectric properties of polycarbonate coated natural fabric Grewia tilifolia

Author: Ramana, CHVV ; Clarke, W ; Jayaramudu, J ; Sadiku, R ; Ray, SS Date: Dec 2011 Natural fibers are emerging as low cost, lightweight and apparently environmentally superior alternatives to glass fibers in composites. With the increasing importance of environmental interactions, several innovations of the environmental ... Read more
Optimal temperature profiles for minimum residual stress in the cure process of polymer composites

Author: Gopal, Ajith K ; Adali, S ; Verijenko, VE Date: Jan 2000 Manufacturing of polymer composites using a curing process requires the specification of the temperature as a function of time, i.e., the temperature profile. It is of utmost importance that the selected profile satisfies a number of criteria ... Read more
Performance evaluation of polypyrrole-montmorillonite clay composite as a re-usable adsorbent for Cr(VII) remediation

Author: Mdlalose, Lindani M ; Balogun, Mohammed O ; Setshedi, Katlego Z ; Chimuka, L ; Chetty, Avashnee Date: Aug 2020 A flexible composite adsorbent combination of polypyrrole and montmorillonite clay (PPy-MMT) has been prepared by in situ oxidative polymerization method. This well-achieved adsorbent has amphoteric characteristics and has been explored in ... Read more
Properties and characterization of a PLA-chitin-starch biodegradable polymer composite

Author: Olaiya, NG ; Surya, I ; Oke, PK ; Rizal, S ; Sadiku, ER ; Ray, Suprakas S ; Farayibi, PK ; Hossain, MS ; Khalil, A Date: Oct 2019 This paper presents a comparison on the effects of blending chitin and/or starch with poly(lactic acid) (PLA). Three sets of composites (PLA-chitin, PLA-starch and PLA-chitin-starch) with 92%, 94%, 96% and 98% PLA by weight were prepared. The ... Read more
Recent progress on natural fiber hybrid composites for advanced applications: A review

Author: Mochane, MJ ; Mokhena, Teboho C ; Mokhothu, TH ; Mtibe, Asanda ; Sadiku, ER ; Ray, Suprakas S ; Ibrahim, ID ; Daramola, OO Date: Feb 2019 Natural fibers, as replacement of engineered fibers, have been one of the most researched topics over the past years. This is due to their inherent properties, such as biodegradability, renewability and their abundant availability when compared ... Read more
Self-healing polymeric composite material design, failure analysis and future outlook: A review

Author: Mphahlele, Keletso ; Ray, Suprakas S ; Kolesnikov, A Date: Oct 2017 The formation of micro-cracks and crack propagation is still an acute problem in polymer and polymer composites. These micro-cracks usually occur while the materials are manufactured or serviced. The development and coalescence of these cracks ... Read more
Shear-induced carbon nanotube migration and morphological development in polylactide/poly(vinylidene fluoride) blend nanocomposites and their impact on dielectric constants and rheological properties

Author: Salehiyan, Reza ; Nofar, M ; Makwakwa, Dimakatso M ; Ray, Suprakas S Date: Apr 2020 Polymer composites featuring high dielectric constants are known to be useful materials for the development of modern transducers, piezo- and thermal-sensors, and energy storage devices. In this study, blend nanocomposites of carbon nanotube ... Read more
Statistical design of experiments: An introductory case study for polymer composites manufacturing applications

Author: Botha, Natasha ; Inglis, HM ; Coetzer, R ; Labuschagne, FJWJ Date: Dec 2021 Statistical design of experiments (DoE) aims to develop a near efficient design while minimising the number of experiments required. This is an optimal approach especially when there is a need to investigate multiple variables. DoE is a ... Read more
Understanding the influence of manufacturing and material parameters on the mechanical properties of polymerclay composites: An exploratory statistical analysis

Author: Botha, Natasha ; Coetzer, R ; Inglis, H ; Labuschagne, J Date: Nov 2020 Polymers are used in various industrial applications due to their ease of production, light weight and ductility. Adding fillers, such as clays, improves a range of thermo-mechanical properties, however manufacturing parameters may have an ... Read more

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Browsing by Subject "Polymer composites"

Browsing by Subject "Polymer composites"

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