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Copper increases the hardness of alloys.

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+1 vote
in Food Packaging Technology by (63.0k points)
Copper increases the hardness of alloys.

(a) True

(b) False

This question was addressed to me by my college professor while I was bunking the class.

This interesting question is from Metal as Packaging Material topic in portion Metal Packaging Materials of Food Packaging Technology

1 Answer

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by (194k points)
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Best answer
Correct choice is (a) True

To explain I would say: Copper increases tensile strength, fatigue strength and hardness of the alloys due to the effect of solid solution hardening. It helps to strengthen the alloys by precipitation hardening heat treatment. It decreases the ductility and corrosion resistance of the alloys.

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