Aramid Fibers

Jassal, Manjeet; Agrawal, Ashwini K.; Gupta, Deepika; Panwar, Kamlesh

doi:10.1002/9783527342587.ch8

Cited by 9 publications

(11 citation statements)

References 59 publications

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“…Aramid fiber has a number of characteristic properties that make it attractive for applications as reinforcements in geopolymeric materials. Aramid fiber has a high tensile strength from 2400 N/mm 2 to 3600 N/mm 2 [ 60 ], abrasion and corrosion resistance [ 61 ], and high modulus of elasticity [ 62 ]. So far, research on the use of aramid fibers has been carried out with the use of a concrete matrix.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and Fracture Properties of Long Fiber Reinforced Geopolymer Composites

et al. 2021

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The aim of the article is to analyze the structure and mechanical properties in terms of the cracking mechanics of geopolymer composites based on fly ash and river sand, as well as metakaolin and river sand with three types of reinforcement material: glass fiber, carbon fiber, and aramid fiber, in terms of their use in additive manufacturing. Geopolymer composites were reinforced with fibers in a volume ratio of 0.5%, 1.0%, and 2.0%. Subsequently, these samples were subjected to bending strength tests in accordance with the European standard EN 12390-3. The addition of fibers significantly improved the bending strength of all composites made of metakaolin and sand. The reinforcement with aramid fiber in the amount of 2.0% resulted in more than a 3-fold increase in strength compared to the reinforcement-free composites. An analysis of the morphology of the fibers was carried out on the basis of photos taken from an electron microscope. The correct addition of fibers changes the nature of the fracture from brittle to more ductile and reduces the number of cracks in the material.

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Section: Introductionmentioning

confidence: 99%

Mechanical and Fracture Properties of Long Fiber Reinforced Geopolymer Composites

et al. 2021

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“…Also, other applications like bulletproof vests, boats, motorsports, protective gloves, and racing car body components are quite widespread [ 36 , 37 , 38 ]. Figure 3 shows the main applications of AR fiber [ 39 ].…”

Section: Types Of Synthetic Fibersmentioning

confidence: 99%

A Review on Synthetic Fibers for Polymer Matrix Composites: Performance, Failure Modes and Applications

Rajak¹,

Wagh²,

Linul

2022

Materials

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In the last decade, synthetic fiber, as a reinforcing specialist, has been mainly used in polymer matrix composites (PMC’s) to provide lightweight materials with improved stiffness, modulus, and strength. The significant feature of PMC’s is their reinforcement. The main role of the reinforcement is to withstand the load applied to the composite. However, in order to fulfill its purpose, the reinforcements must meet some basic criteria such as: being compatible with the matrix, making chemical or adhesion bonds with the matrix, having properties superior to the matrix, presenting the optimal orientation in composite and, also, having a suitable shape. The current review reveals a detailed study of the current progress of synthetic fibers in a variety of reinforced composites. The main properties, failure modes, and applications of composites based on synthetic fibers are detailed both according to the mentioned criteria and according to their types (organic or inorganic fibers). In addition, the choice of classifications, applications, and properties of synthetic fibers is largely based on their physical and mechanical characteristics, as well as on the synthesis process. Finally, some future research directions and challenges are highlighted.

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“…Two important fibers to note were Nomex ®® and Kevlar ®® , the first meta-aramid and para-aramid fibers created by DuPont ™ . Nomex ®® had a higher melting temperature [ 19 ], while Kevlar ®®. had a structure that allowed it to create composites [ 20 ], replacing steel fibers in racing tires and later being used for consumer products and human armor [ 21 ].…”

Section: Historical Development Of Plastic Materials: a Brief Timelinementioning

confidence: 99%

Towards a Circular Economy of Plastics: An Evaluation of the Systematic Transition to a New Generation of Bioplastics

et al. 2022

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Plastics have become an essential part of the modern world thanks to their appealing physical and chemical properties as well as their low production cost. The most common type of polymers used for plastic account for 90% of the total production and are made from petroleum-based nonrenewable resources. Concerns over the sustainability of the current production model and the environmental implications of traditional plastics have fueled the demand for greener formulations and alternatives. In the last decade, new plastics manufactured from renewable sources and biological processes have emerged from research and have been established as a commercially viable solution with less adverse effects. Nevertheless, economic and legislative challenges for biobased plastics hinder their widespread implementation. This review summarizes the history of plastics over the last century, including the most relevant bioplastics and production methods, the environmental impact and mitigation of the adverse effects of conventional and emerging plastics, and the regulatory landscape that renewable and recyclable bioplastics face to reach a sustainable future.

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Aramid Fibers

Cited by 9 publications

References 59 publications

Mechanical and Fracture Properties of Long Fiber Reinforced Geopolymer Composites

Mechanical and Fracture Properties of Long Fiber Reinforced Geopolymer Composites

A Review on Synthetic Fibers for Polymer Matrix Composites: Performance, Failure Modes and Applications

Towards a Circular Economy of Plastics: An Evaluation of the Systematic Transition to a New Generation of Bioplastics

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