What are composites? Composite materials are composed of two or more constituents stuck together with an epoxy These constituents have different physical.

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Presentation transcript:

What are composites? Composite materials are composed of two or more constituents stuck together with an epoxy These constituents have different physical and chemical properties that allow them to remain separate in the final structure The constituents are layered on top of each other as shown above

Why do we use composites? Composites are used in the aerospace industry because they provide benefits that their substitute materials cannot. Composites are used in the aerospace industry because they provide benefits that their substitute materials cannot. The plane that uses composites the most in aerospace is the Boeing 787 Dreamliner. The plane that uses composites the most in aerospace is the Boeing 787 Dreamliner.

Boeing 787

Airbus’ use of composites Aircrafts built using composites% made from Composites Airbus A32010% Airbus A38025% Airbus A400 M30-35% Airbus A35053%

Benefit to aerospace companies The largest benefit of composite materials in aircraft structure is the light weight of the material. The largest benefit of composite materials in aircraft structure is the light weight of the material. Boeing 787 consumes 20% less fuel than the similar sized 767 Boeing 787 consumes 20% less fuel than the similar sized 767

Another benefit is the machining required to manufacture composite materials. Another benefit is the machining required to manufacture composite materials. The machines are smaller and much cheaper than machines used to manufacture metal materials. The machines are smaller and much cheaper than machines used to manufacture metal materials. Benefit to aerospace companies

Disadvantages of composites The manufacturing process of composite materials has not been perfected. The manufacturing process of composite materials has not been perfected. The process of perfecting it is time inefficient because companies must perfect it with trial and error. The process of perfecting it is time inefficient because companies must perfect it with trial and error.

Composites expanding to other industries The new Lenovo laptop is structured with carbon composite materials The new Lenovo laptop is structured with carbon composite materials

Composites are now being used in the new z06 Chevy Corvette Composites are now being used in the new z06 Chevy Corvette Composites make up the body and the hood. Composites make up the body and the hood. Composites expanding to other industries

Web links efunda Composite Information Appropedia: Information about composites in the aerospace industry myyellowcoat: Nature of Composite

Works cited "EFunda: Introduction to Composite Materials." EFunda: The Ultimate Online Reference for Engineers Web. 07 Nov "EFunda: Introduction to Composite Materials." EFunda: The Ultimate Online Reference for Engineers Web. 07 Nov Hahn, Prof H.Thomas. " Journal of Composite Materials." Jcm. SAGE Publications, Web. 08 Nov Hahn, Prof H.Thomas. " Journal of Composite Materials." Jcm. SAGE Publications, Web. 08 Nov "Putting it together – the science and technology of composite materials - Academy of Science." Home - Australian Academy of Science Web. 11 Nov "Putting it together – the science and technology of composite materials - Academy of Science." Home - Australian Academy of Science Web. 11 Nov