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Composite material is a combination of two or more separate materials in macroscopic state. Unlike metals, the building constituents of composite materials, namely fiber and matrix, still can be observed without magnification devices.

Composite material is a combination of two or more separate materials in macroscopic state. Unlike metals, the buildi

ng constituents of composite materials, namely fiber and matrix, still can be observed without magnification devices.

Fibers in composite material act as reinforcement of matrix because fibers are usually stiffer than matrix. Matrix serves

as a binder for fibers arrangement and also protects fibers from environmental effect and impact damage.

Composite materials can be divided into four categories, namely continuous fiber composites, woven fiber composite,

chopped fiber composite and hybrid composite (Figure 1). For structural applications, continuous fiber composites are us

ually used and they can be stacked with various orientation angles. In the market, they are available in the form of pre‐im

pregnated ply (pre‐preg). This pre‐preg must be cured within autoclave before composite lamina can be formed. ‘Lamina’

is one ply of continuous fiber composites with certain orientation angle. ‘Laminates’ are composed of several lamina stack

ed together.

Further explanation can be downloaded below:

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