Why composites in form of laminates

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SUMMARY

Composites are constructed in the form of laminates to enhance their mechanical properties and tailor them to specific load requirements. A single lamina, typically around 100 micrometers thick, lacks the effectiveness needed for structural applications. Laminates allow for the customization of material properties to match expected loads and machining processes. The strength of composite materials is primarily derived from the fibers, and while unidirectional laminates provide strength in one direction, they do not offer the multidirectional strength that laminates can achieve.

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chandran
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why composites are built in form of laminates(laminas with various orientation)?. why can't
a single lamina serve the purpose?

how a single laminate property is different from a single lamina property
 
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Lamina plys are very very thin, on the order of, say 100 micrometers. They are not very effective on their own. The other bog reason is that material properties can be custom formed to the expected loads the part will see or how the part is expected to be machined.

Also remember this...the major contributor to the strength of the material is the fibers. Therefore you can have a unidirectional laminate, but that really provides you strength in one direction only.
 

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