Engineering Materials
Stress relaxation is the phenomenon

In which deformation tends to loosen the joint and produces a stress reduced
In which parts are not loaded
In which stress remains constant on increasing load
Stress reduces on increasing load

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Engineering Materials
Recrystallization temperature is one

At which change of allotropic form takes place
At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated
At which crystals first start forming from molten metal when it is cooled
At which crystals grow bigger in size

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