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Category: Science
Word Count: 389
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Use Of Aluminium



Elastic modulus and stiffness are measures of how much a piece of material extends when loaded,
provided it remains elastic i.e. it returns to its original size and shape after the load is
removed. Steel is about three times stiffer than aluminium. Strength is a measure of how much force
is required to permanently change the shape of something (yield strength) or to break something
(ultimate strength). Different steels (alloys of iron) and aluminium alloys have very different
stren

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