Mechanical Properties Of Polymers And Composites Pdf

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Not a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. Materials as a field is most commonly represented by ceramics, metals, and polymers.

Polymer Matrix Composites: Properties, Production, and Applications

Latest SubsTech articles Contact us Terms of use. Dmitri Kopeliovich According to the Classification of composites :. Polymer Matrix Composite PMC is the material consisting of a polymer resin matrix combined with a fibrous reinforcing dispersed phase. Polymer Matrix Composites are very popular due to their low cost and simple fabrication methods. Use of non-reinforced polymers as structure materials is limited by low level of their mechanical properties: tensile strength of one of the strongest polymers - epoxy resin is psi MPa. In addition to relatively low strength, polymer materials possess low impact resistance.

Study of the Mechanical Properties of Polymer Composite Material with Different Structures

A composite material also called a composition material or shortened to composite , which is the common name is a material which is produced from two or more constituent materials. Within the finished structure, the individual elements remain separate and distinct, distinguishing composites from mixtures and solid solutions. Typical engineered composite materials include:. There are various reasons where new material can be favoured. Typical examples include materials which are less expensive, lighter or stronger when related to common materials. More recently researchers have also begun to actively include sensing, actuation, computation and communication into composites, [4] which are known as Robotic Materials. Composite materials are generally used for buildings , bridges , and structures such as boat hulls , swimming pool panels , racing car bodies, shower stalls, bathtubs , storage tanks , imitation granite and cultured marble sinks and countertops.

We have studied the structure and mechanical properties of composite materials reinforced with carbon fabric. We have evaluated the mechanical properties of the composite materials made. The results obtained demonstrate a way to improve their mechanical properties. This is a preview of subscription content, access via your institution. Rent this article via DeepDyve. Primachenko, K. Strokin, and E.

Polymer composites have good mechanical, friction, durability, and wear performance after being reinforced with waste or nanofiller. These features make them flexible in many structural applications. This study was carried out to improve the mechanical performance of polymer composites using silica-based, waste, and nanomaterials. To achieve this, marble dust of millimeter size, silica fume of micrometer size, and Nano-SiO 2 of nanometer size were added separately or in combination to the polymer matrix. The samples were tested to obtain the compressive strength, tensile strength, ultrasonic pulse wave velocity, dynamic modulus of elasticity, toughness, and density of reinforced polymer composites. Moreover, the results showed that adding marble dust to polymer composites increased ductility while adding silica fume and nano-silica reduced the ductility of the samples. Additionally, the microstructural properties of the polymer composites with waste marble dust and silica fume, and nano-SiO 2 additives were evaluated using a scanning electron microscope SEM to provide a close relationship between the morphological structure and mechanical properties.

Composite material

At present, to prepare pure CNTs materials is quite difficult and the mechanical properties of the materials are limited in a low level. Because of their extraordinary mechanical properties and high aspect ratio, CNTs are considered to be ideal candidates for polymer reinforcement. In recent years, because stronger, lighter, or less expensive compared to traditional materials, high-performance composite materials have increasingly become an essential in a wide range of structural applications [ 1 , 2 ]. As early as in ancient times, people have realized that the combination of two or more materials could form new materials which had better properties than either of the materials compositions. For example, ancient people in China began to use straw to reinforce mud to form bricks as building materials, and to use hemp or silk to reinforce paint and so on [ 3 , 4 ].

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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. It is acknowledged that the mechanical properties of the composites are significantly influenced by interfacial interactions between nanotubes and polymer matrices. The current challenge of the application of nanotubes in the composites is hence to determine the mechanical properties of the interfacial region, which is critical for improving and manufacturing the nanocomposites. In this work, a new method for evaluating the elastic properties of the interfacial region is developed by examining the fracture behavior of carbon nanotube reinforced poly methyl methacrylate PMMA matrix composites under tension using molecular dynamics simulations.


1 Introduction

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The increase of environmental awareness has led to interest in the use of materials with eco-friendly attributes. In this study, a sandwich composite was developed from polyester and kenaf fiber with various orientation arrangements. The tensile, flexural, and Izod impact tests of the sandwich composites were evaluated by using a universal tensile tester and an impact tester. The kenaf fiber in anisotropic orientation could absorb the impact energy and allow the sandwich composite to withstand greater impact forces compared to composite with fiber in perpendicular or isotropic orientations. Nowadays, kenaf fibers are being applied in various products including bagging, carpet backing, packaging materials, papers, and fencing. In addition, their use is being extended to structural, automotive, plastic, and food packaging industries too.

Effect of fiber orientation on mechanical properties of kenaf-reinforced polymer composite

Polymers and polymer composites have been present in human life for a long time.

Right from the early days, polymer materials have been discovered as being beneficial for various applications but a poor understanding of these materials greatly handicapped their usage. However, with a change in this trend, polymer materials have gradually displaced other materials in most applications. In recent times, due to improved research and knowledge, polymer-based materials are the first choice materials for several applications and are now replacing other materials rapidly. More advanced materials from polymers are being developed daily as a substitute for other materials even in areas where polymers are considered not to be suitable in the time past. More recently, polymers have replaced metals and ceramics in applications like constructions, aerospace, automobiles, and medical.

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2 Response
  1. Dam1304

    PDF | On Dec 18, , Ibrahim Gunes and others published Physical and Mechanical Properties of Polymer Composites | Find, read and cite all the research.

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