What is meant by the term 'brittle'?
A material which fractures or breaks without any significant plastic deformation.
Brittle materials have low tensile strength.
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What is meant by a 'ductile' material?
A material which can be plastically deformed under stress without fracturing.
Ductile materials can be stretched, bent, or shaped without breaking.
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What does the stress-strain graph look like for a ductile material?
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What does the stress-strain graph look like for a brittle material?
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Which material has the higher Young's modulus?
Material 1 has a higher Young's modulus.
The gradient of a stress-strain graph is equal to Young's modulus.
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