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7 September, 20:43

Which of carbon will have higher strength but less ductility, 0.49% or 0.19%

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  1. 7 September, 21:05
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    0.49%

    Explanation:

    Assuming this is about steel. Higher carbon steel tend to be harder and stronger, but that hardness makes them more brittle and less ductile. This is because with higher carbon concentrations there is more formation of pearlite, which has higher hardness than ferrite. Pearlite contains layers of cementite, which is a fragile material, so the presence of these microstructures will make the whole thing more brittle.
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