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- MECHANICAL PROPERTIES OF POLYMER COMPOSITE MATERIALS
- Polymer Matrix Composites: Properties, Production, and Applications
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MECHANICAL PROPERTIES OF POLYMER COMPOSITE MATERIALS
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.
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. Now, efforts have been taken to increase the usage of biobased fiber components in sandwich composites.
Polymers and polymer composites have been present in human life for a long time. Every day, we use many objects made of polymers, e. We drink water from plastic bottles, eat using plastic cutlery, and so on. On the other hand, we see polymers and polymer composites as essential parts in equipment at homes, public buildings, cars, aircrafts, and different machines. Moreover, the role of these materials has become significant for our organisms. Nowadays, polymeric biomaterials play important roles in medicine for example as resorbable substrates for tissue regeneration control, construction implants of tailored mechanical properties and controlled resorption time, construction of prostheses, dental materials, artificial coronary vessels, a drug carrier, biostable joining elements, surgical sutures, and dressing materials.
Polymer Matrix Composites: Properties, Production, and Applications
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. While noted improvements have taken place in the area of ceramics and metals, it is the field of polymers that has experienced an explosion in progress. Polymers have gone from being cheap substitutes for natural products to providing high-quality options for a wide variety of applications.
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.
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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 ]. Nowadays, composite materials are used extensively in various areas, not only in the aerospace industry but also in a large and increasing number of commercial mechanical engineering applications.
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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.
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.