What do you mean by the hardness of materials ? Explain with an example.
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Hardness (antonym: softness) is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion. ... Common examples of hard matter are ceramics, concrete, certain metals, and superhard materials, which can be contrasted with soft matter.
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examples of hard materials diamond ,. ice ,carbide tampered etc.
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