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Describing specifc
materials
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summary
Introduction
Some materials :
• Wood
• Plastics
• Composites• ceramics
• metals
conclusion
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characterization
Material is a broad term or the !chemical" substance
mi$ture o substances that constitute a thing%
Introduction
What are materials '
structure
properties• material character• response to extern
stimulus• mechanical, electr
thermal, magnetic
optical, deteriorativ
performance• behavior in a
particular application
• arrangement of internal co• subatomic• atomic• microscopic• macroscopic (bulk)
• method of preparing
material
processing
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Wood
Wood is a porous and fbrous structural tissue ound in the stems androots o trees and other (oody plants%
hard(ood sot(ood cdicotyledons
https://en.wikipedia.org/wiki/Treehttps://en.wikipedia.org/wiki/Woody_planthttps://en.wikipedia.org/wiki/Woody_planthttps://en.wikipedia.org/wiki/Tree