Eli5: Strong yet brittle?

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Some materials are considered very strong, yet they are also very brittle. To me this sounds a bit counterintuitive so please explain to me how a material like carbon fiber for example, is considered strong but yet breaks easily.

In: Engineering

9 Answers

Anonymous 0 Comments

There’s an old expression in engineering: if you do not bend, then you break [instead].

A thing that is “brittle” chooses to break. It may take a lot of force, but it breaks with minimal bending then legally it is “brittle”.

Stone is strong, but doesn’t bend. It’ll break into pieces if you stress it too much. Cardboard isn’t that strong, but it just bends when the force becomes too strong and stays… sorta intact…

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