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4 edition of Environmental effects on some mechanical properties of fibre composites found in the catalog.

Environmental effects on some mechanical properties of fibre composites

Chang Qian

Environmental effects on some mechanical properties of fibre composites

by Chang Qian

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  • 15 Currently reading

Published by National Library of Canada in Ottawa .
Written in


Edition Notes

Thesis (M.A.Sc.) -- University of Toronto, 2001.

SeriesCanadian theses = -- Thèses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative. --
ID Numbers
Open LibraryOL22465157M
ISBN 100612587487
OCLC/WorldCa52575572

Mechanical properties of hybrid bamboo/glass fibre polymer composites as shown in figure 6. The fracture values were calculated by dividing the energy by cross-sectional area of the specimen. Hardness test was conducted by using a Rockwell hardness tester as per specimen standard ASTM D shown in figure 7. A standard specimen of 6⋅4. of matrix-dominated properties. In this work, cross-ply laminates of carbon fiber reinforced epoxy were sub-jected to environmental degradation using controlled ultraviolet radiation (UV) and moisture condensation and the post-exposure mechanical properties were evaluated through elastic modulus and failure strength measurements.

  Aspects such as end-of-life disposal and use of alternative, bio-based materials are also discussed. Based on the work in this paper, better understanding of the environmental impacts of fibre-reinforced polymer composites in construction can be gained and areas of further research by: 1.   However, there is still a need to explore novel natural fibers with high mechanical properties, but with greater annual availability and lower prices than flax or hemp. Promising work is being done in this area by Sunstrand LLC (Louisville, Ky., U.S.) with bamboo fibers and by inTEXive (Cairo, Egypt) with date palm midrib fibers.

effects towards the mechanical and physical properties. Basically, all polymer composites tend to absorb moisture in humid atmosphere which may lead to degradation of fibre-matrix interface region creating poor stress transfer efficiencies resulting in a reduction . This paper presents the effects of various nanosilica (NS) contents on the mechanical properties of polyvinyl alcohol (PVA) fiber-reinforced geopolymer composites (PVA-FRGC). Microstructure analysis with X-ray diffraction (XRD) and scanning electron microscopy (SEM) was used to characterize the geopolymer composites. The results showed that the mechanical properties in terms of compressive Author: Hasan Assaedi, Thamer Alomayri, Ayesha Siddika, Faiz Shaikh, Hatem Alamri, Subaer Subaer, It-Meng Lo.


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Environmental effects on some mechanical properties of fibre composites by Chang Qian Download PDF EPUB FB2

Environmental effects on fibre-polymer composites increase in D at K may be due to the combined effects of thermal expansion of the resin and fibre, the expansion of the voids and micro gaps between the fibre and resin, and the swelling of the composites, etc., allowing moisture diffusion at Cited by: Fibre reinforced polymer (FRP) composites are the most promising and elegant materials of the present century.

Their durability and integrity in various service environments can be altered by the response of its constituents i.e., fibre, polymer matrix, and the existing interface/interphase between the fibre and polymer matrix, in that particular by: The basic mechanical properties of the most commonly used fibres are later.

The surface interaction of fibre and resin is controlled by the degree of bonding that exists between the two. This is heavily influenced by the treatment given to the fibre surface, and a description of the different surface treatments and ‘finishes’ is also given.

Effects of environmental conditions on mechanical and physical properties of flax fibers Article (PDF Available) in Composites Part A Applied Science and Manufacturing 32(8) August.

Natural fibre composites have some mechanical and environmental advantages when compared with synthetic ones, and the environmental advantages can be improved if the base materials are autochthonous.

In this work, two factors concerning the characteristics of natural fibre composites are analysed: the influence of fibre type and fibre surface Cited by: 3. The final part of the book discusses ways of assessing the mechanical performance of natural-fibre composites. With its distinguished editor and team of contributors, Properties and performance of natural-fibre composites is a valuable reference for all those using these important materials in such areas as automotive and structural cturer: Woodhead Publishing.

on Mechanics of Composite Materials, May, Riga, Latvia. Book of Abstracts. p Joffe R., Andersons J., Sp rni ¼š E., Wallström L. Cellulose-Based Fibers and Their Polymer Composites: Characterization and Prediction of Properties. Proceedings of 8th International Conference on Woodfiber-Plastic Composites (and other natural.

In Figure 8a, some fibre bending on the kink band regions were visible. The work carried out by Notta-Cuvier et al. suggest that flax fibre itself can be seen as a complex composite material which has several elementary fibres.

This structure of flax fibre can influence the mechanical properties of Cited by: 1. The hole/aging influence on mechanical properties model results shows that the ML composite laminate proved to be more susceptible to mechanical property loss caused by simultaneous effects of hole and environmental aging, and that the proposed model has good agreement for all composite laminates analyzed and can be used with engineering tools Cited by: 1.

Environmental Effects on Glass Fiber Reinforced Polypropylene Thermoplastic Composite Laminate for Structural Applications Article (PDF Available) in Polymer Composites 31(4) - January.

Fibre Reinforced Composites fibre reinforced composites:two components fibres-carry most of the load matrix-carries nearly no load-ensures interaction. between fibres excellent mechanical properties C-SiC 6 Mechanics of FRC Stiffness and strength of the fibres is much higher than that of matrix.

Typical fibres are made of glas, steel, carbon. The use of natural fibres as reinforcements in composites has grown in importance in recent years. Natural Fibre Composites summarises the wealth of significant recent research in this area.

Chapters in part one introduce and explore the structure, properties, processing, and applications of natural fibre reinforcements, including those made from wood and cellulosic fibres. Chapter 1: Introduction to Composite Materials / 7 Fig.the coupling between e xx and e yy does not occur.

In this case, the application of a ten-sile stress produces elongation in the x-direction and contraction in the y-direction, and the dis-torted element remains rectangular. therefore, the coupling effects exhibited by composites occur.

Critical issues in achieving desirable mechanical properties for short fiber composites J. Kardos Materials Research Laboratory and Department of Chemical Engineering, Washington University, St. Louis, Missouri USA Abstract — Short fiber reinforced polymers enjoy the advantage of Cited by: The final part of the book discusses ways of assessing the mechanical performance of natural-fibre composites.

With its distinguished editor and team of contributors, Properties and performance of natural-fibre composites is a valuable reference for all those using these important materials in such areas as automotive and structural engineering.

However, extrusion and injection moulding have detrimental effects on the properties of natural fibres. The objectives of this work were 1) to fabricate natural-fibre-reinforced composites with various layer configurations and 2) to analyze properties like tensile, flexural and impact strength.

This book provides a concise and authoritative overview of tensile behaviour of a wide range of both natural and synthetic fibres used both in textiles and high performance materials.

Flexural Properties. Flexural properties is one of the mechanical properties of textile material. Natural fiber composites are designed for different purposes including structural and non-structural ones.

These natural fiber composites vary greatly in their properties including mechanical properties. Mechanical properties which include the tensile and flexural properties are highly dependent on factors such as matrix type, filler type, processing, post processing treatment and many more Author: Owonubi J.

Shesan, Agwuncha C. Stephen, Anusionwu G. Chioma, Revaprasadu Neerish, Sadiku E. Rotimi. pared and the effects of fibre content on the mechanical properties, fracture behaviour and microstructure of as-prepared composites were investigated.

Experimental The geopolymer resin used here has a composition with SiO2/Al2O3 = 4, K2O/SiO2 = 0⋅3 and H2O/K2O = 11 (mole ratio), as described in the literature (Kriven et al ).

Summary. This chapter sets the scene for the rest of the book. It introduces the main types of behaviour of fibre-polymer composites, with most emphasis on mechanical behaviour, and describes briefly the main methods for making products based on polymer-fibre : Peter C.

Powell. Many attempts have been made towards improving mechanical properties, with efforts directed at improving the interface, newer methods of production of composites, new modelling techniques etc. In this detailed review, an attempt is made to critically analyse the various research efforts directed towards improving the mechanical properties of Cited by: henequene composites.

[18] The mechanical properties of the natural fibre composites tested were found to compare favorably with the corresponding properties of glass mat polypropylene composites. The specific properties of the natural fibre composites were in some cases better than those of glass.

ThisAuthor: Rajashekar Patil, Ganesh Kalagi.Table 3: Mechanical properties of bio-based materials used as cores in composite panels. 27 Table 4: Typical properties of WPCs. 39 Table 5: Typical properties of short natural fibre-thermoplastic composites.

30 Table 6: Properties of non-woven natural fibre mat composites. 32 Table 7: Properties of aligned natural fibre composites.