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Browsing by Subject "Mechanical properties"

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Agave nonwovens in polypropylene composites: mechanical and thermal studies

Author: John, Maya J ; Sikampula, N ; Boguslavsky, L Date: Mar 2015 Blends of agave fibres with wool waste, pineapple leaf fibres and polypropylene fibres were manufactured by needle-punching technique. Composites were prepared with polypropylene matrix by the process of compression moulding. The effects of ... Read more
Analysis of mechanical property degradation in polymer nanoclay composites

Author: Botha, Natasha ; Inglis, HM ; Labuschagne, FJWJ Date: Nov 2018 Polymers are used in various industrial applications due to their ease of production, light weight and ductility. Fillers such as nanoclays are added to polymers to improve a range of factors such as material processing, thermal properties, ... Read more
Anionic-exchange membrane development for application in alcohol alkaline fuel cells

Author: Nonjola, S Date: Sep 2010 Ammonium quaternized polymers such as poly (arylene ether sulfones) are being developed and studied as candidates of ionomeric materials for application in alkaline fuel cells, due to their low cost and promising electrochemical properties. ... Read more
Anomalous impact strength for layered double hydroxide-palmitate/poly(e-caprolactone) nanocomposites

Author: Moyo, Lumbidzani ; Makhado, E ; Ray, Suprakas S Date: Nov 2014 Inherent physical properties and commercial availability makes poly(e-caprolactone) (PCL) very attractive as a potential substitute material for nondegradable polymers for commodity applications. However, a balance of toughness and stiffness ... Read more
Application of natural fibre composites in construction: a research case study

Author: Van Wyk, Llewellyn V Date: May 2007 The paper reviews the potential application of NFC in construction, identifies the prerequisite mechanical properties for equivalency, and prepares the targeted values for mechanical properties of NFC in construction. The mechanical properties ... Read more
Cellulose nanocrystals and snail shell-reinforced polyvinyl alcohol bioplastic films: Additive concentration optimization and mechanical properties assessment

Author: Gbadeyan, Oluwatoyin J ; Fagbemi, Olajumoke D ; Jerome, Andrew E ; Adali, S ; Glen, B ; Sithole, Bishop B Date: Jul 2022 This study focused on modeling and optimization of the concentration of poly (vinyl alcohol) (PVA), cellulose nanocrystals (CNC), snail shell nanoparticles (SSN), and glycerol for the development of bioplastic films. The response surface ... Read more
Characterisation of new natural cellulosic fabric Grewia tilifolia

Author: Jayaramudu, J ; Guduri, BR ; Rajulu, AV Date: Mar 2010 The new natural fabric Grewia tiliflia was extracted from its tree. This uniaxial fabric was analyzed by chemical, Fourier transform infrared spectroscopy, thermogravimetric analysis, X-ray diffraction, scanning electron microscopy and polarized ... Read more
Characterization of an anionic-exchange membranes for direct methanol alkaline fuel cells

Author: Abuin, GC ; Nonjola, Patrick NT ; Franceschini, EA ; Izraelevitch, FH ; Mathe, Mahlanyane K ; Corti, HR Date: Jun 2010 Ammonium quaternized polymers such as poly (arylene ether sulfones) are being developed and studied as candidates of ionomeric materials for application in alkaline fuel cells, due to their low cost and promising electrochemical properties. ... Read more
Characterization of anionic-exchange membranes for direct alcohol alkaline fuel cells

Author: Abuin, GC ; Nonjola, Patrick NT ; Franceschini, E ; Izraelevitch, F ; Corti, H ; Mathe, Mahlanyane K Date: Jun 2009 Recently, alkaline direct alcohol fuel cells have received increased attention for the following reasons: anion charge carrier (OH) movement from cathode to anode, opposite to the movement of protons in proton exchange membranes (PEM), may ... Read more
Characterization of polypropylene/polystyrene boehmite alumina nanocomposites: Impact of filler surface modification on the mechanical, thermal, and rheological properties

Author: Malwela, Thomas ; Khumalo, VM ; Salehiyan, Reza ; Ray, Suprakas S Date: Jul 2018 The influences of surface treatment and the concentration of boehmite alumina (BA) particles on polypropylene and polystyrene (PS) (80/20) blends produced via melt compounding were examined. The results show that p-toluene sulfonic acid-treated ... Read more
A comparison of certain physical properties of plain weave fabrics from cotton blended with different polyester fibre types. Part 2 Easy care finished fabrics. Part 1: Untreated fabrics

Author: Kelly, IW Date: May 1974 The physical properties of a series of plain weave fabrics from cotton blended with polyester were measured and compared. Read more
A comparison of some properties of wool-rich fabrics containing all wool, wool/nylon core-spun or staple fibre blend yarns

Author: Shiloh, M Date: Oct 1973 Plain and twill weave light weight suiting fabrics were woven from each of three types of yarns; all-wool, 80/20 wool/nylon staple blends and 80/20 wool/nylon filament cores. Read more
Correlations between fibre diameter, physical parameters, and the mechanical properties of randomly oriented biobased polylactide nanofibres

Author: Selatile, Mantsopa K ; Ray, Suprakas S ; Ojijo, Vincent O ; Sadiku, R Date: Jan 2019 In this study, the tensile properties of systematically optimised, biodegradable polylactide (PLA) electrospum fibres are investigated in order to illuminate the influences of the factors that affect their mechanical properties such as fibre ... Read more
Development of hemp fibre reinforced polypropylene composite - Journal Article

Author: Hargitai, H ; Racz, I ; Anandjiwala, RD Date: Jun 2005 Nonwoven mats from hemp and polypropylene fibres in various proportions were produced and hot pressed to make composite material. The effect of fibre content and the anisotropy in nonwoven mat resulting from the carding technology were examined ... Read more
Ductility improvements of PLA-based binary and ternary blends with controlled morphology using PBAT, PBSA, and nanoclay

Author: Nofar, M ; Salehiyan, Reza ; Ciftci, U ; Jalali, A ; Durmus, A Date: Feb 2020 In this study, binary and ternary immiscible blends of polylactide (PLA) with poly[(butylene adipate)-co-terephthalate] (PBAT) and poly[(butylene succinate)-co-adipate] (PBSA) were prepared through an injectionmolding (IM) process. Blend ... Read more
Effect of alkali treatment on the morphology and tensile properties of Cordia dichotoma fabric/polycarbonate composites

Author: Jayaramudu, J ; Siva Mohan Reddy, G ; Varaprasad, K ; Sadiku, ER ; Ray, Suprakas S ; Varada Rajulu, AV Date: May 2013 The newly identified natural fabric from the tree of Cordia dichotoma was coated with polycarbonate. Tensile parameters, such as, tensile strength, Young’s modulus, and percentage of elongation at the break of the fabrics were determined using ... Read more
Effect of chemical modification on properties of hybrid fibre biocomposites

Author: Jacob John, Maya ; Francis, B ; Varughese, KT ; Thomas, S Date: Feb 2008 The effects of chemical modification of fiber surface in sisal–oil palm reinforced natural rubber green composites have been studied. Composites were prepared using fibers treated with varying concentrations of sodium hydroxide solution and ... Read more
The effect of Cr additions and oxidation on densification, microstructure, phase constituents and mechanical properties of TiAlCr alloys produced by SPS

Author: Mogale, N ; Matizamhuka, W ; Machaka, Ronald ; Shongwe, M ; Yamabe-Mitarai, Y Y Date: Jan 2021 Ternary Ti-47.5Al-(1–3)Cr (at. %) and reference quaternary Ti-48Al-2Cr-2Nb (at. %) titanium aluminide alloys were processed from elemental powders utilizing mechanical milling, mechanical alloying and spark plasma sintering. The effect of Cr ... Read more
Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties

Author: Masina, Bathusile N ; Skhosane, Besabakhe S ; Tlotleng, Monnamme Date: 2020 The direct laser-deposited Inconel 718 (IN718) specimens were produced using 1073 nm, high power continuous wave (CW), IPG Ytterbium fibre laser and in-situ heat treatment. The laser power and in-situ heat treatment temperature were fixed ... Read more
Effect of montmorillonite clay on flax fabric reinforced poly lactic acid composites with amphiphilic additives

Author: Kumar, Rakesh ; Yakabu, MK ; Anandjiwala, RD Date: 2010 Bio-composites (PF) were successfully prepared by reinforcing poly lactic acid (PLA) with woven flax fibers (F) in the presence of mandelic acid, benzilic acid, dicumyl peroxide (DCP) and zein as dditives. To improve the mechanical properties ... Read more

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