What is special about composite materials? Where are they used? Is it true that they are the future and is this direction well funded?

What is special about composite materials? Where are they used? Is it true that they are the future and is this direction well funded?

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answers (2)

Answer 1
August, 2021

A composite material is any material that consists of two substances with fundamentally different properties, and the properties of a composite are not a simple sum of the properties of the components. Most often, composites are used, consisting of a plastic matrix and a filler that gives strength. The composite is ordinary concrete (cement - matrix, sand / crushed stone - filler). Bakelite was the first to become popular among polymer composites in the early 20th century.

Today, it is harder to find an area where composites are not used. In construction, this is concrete and fiberglass, in electronics, again, fiberglass as a basis for printed circuit boards, in sports equipment made of carbon fiber, in aviation and rocketry, various composites are used both in load-bearing structures and in engines, composites based on tungsten carbide of the Pobedita type are used for tools and so on ...

Answer 2
August, 2021

Yes, composites are very cool. For example, the new Russian liner MS-21 is partially composed of composites. Their advantages are simple, they are lighter and more durable than metal products.

T. That is, aerodynamics are better, fuel consumption is lower, economic indicators are up. Composites are the future in aviation.

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