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Composite Materials According to the Materials That Make Up Their Structure

Composite Materials According to the Materials That Make Up Their Structure

Composite Materials According to the Materials That Make Up Their Structure


Plastic - Plastic Composites

While the plastic used as a fiber has a load-bearing property, the plastic used as a matrix has the property of an elastic transmitter, shock absorber, or the plastic used for the desired purpose. The types of plastics that can be used can also be studied in two separate classes.

Thermoplastics: Such plastics soften when heated and harden when cooled after forming. During this process, there are no changes in the microstructure of the plastic. They can usually be used at temperatures between 5-50 Dec. Plastics that fall into this group can be listed as:

a) Nylon

b) Polyethylene

c) Carbonfluoride

d) Acrylics

e) Cellulosics

f) Vinyls

Thermoset Plastics: In this type of plastics, when they are heated and shaped and cooled, it is no longer possible to convert to the old structure due to the change in the microstructure. The main plastics of this group are:

a) Polyesters

b) Epoxies

c) Alkiter

d) Amines

Plastic - Metal Fiber Composites

Composites consisting of metal fiber reinforced plastic, which is a kind of widely used in the industry, come across as a fairly strong and lightweight product. These are composites, plastics such as polyethylene and polypropylene, copper, aluminum, bronze, steel, etc. it is obtained by reinforcing it with metal fibers such as and and is widely used. Cables manufactured by reinforcing, especially in the direction of deformation, are widely used and have a good efficiency.

Plastic - Glass Fiber Composites

Such composites are optionally produced from thermoplastics or thermosets, a matrix consisting of plastic and suitable compositions of glass fibers. Because of their mechanical and physical properties, glass fibers can be preferred to fibers such as metal, asbestos, synthetic fiber and cotton yarn in many cases. However, glass fiber composites have very little resistance due to the fact that the glass is fragile, although they transmit large forces. The physical and chemical properties of such materials can be adjusted to the desired shape by selecting the appropriate plastic resins used.

As mentioned earlier, plastic resins are also of the type of thermoplastic and thermoset. Thermosetting plastics can also achieve high strength with a uniform orientation of the fibers. The most commonly used plastic resins with glass fiber supplements are Polyesters.

Plastic - Foam Composites

In such composites, plastic acts as a fiber, and foam is in the position of a matrix. Foams are light substances with a cellular structure, low density, porous and found in a natural state, as well as a large part of which are manufactured synthetically. According to the foam cell structure, it can be hard, brittle, soft or elastic. These types of foam used as a matrix can provide the formation of composite materials of different properties, as the plastic used can also be diversified.

Metal Matrix Composites

Many metals and metal alloys are brittle, although they provide some properties at high temperature. However, with metallic fibers,reinforced metal matrix composites give their high strength properties at high temperature with the harmonious operation of both phases. Composites with Copper and Aluminum matrices, Wolfram or Molybdenum fiber and Al – Fr composite are the best examples that give us this composition. These types of composites improve the properties of the matrix and allow these properties to be achieved more economically. In these composites, the second phase embedded in the metal matrix can be in the form of continuous fibers, as well as in small pieces that are beautifully distributed.

Ceramic Composites

Ceramic composites, consisting of combinations of metal or non-metal materials, have a very good resistance to high temperatures, but they have a rigid and brittle structure. They also have a very good electrical insulating property.

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