The residual stresses in casting occur due to
A)sand particles being taken into molten metal while pouring
B)the insufficient gate size
C)the differential solidification rate of thin and thick sections of casting
D)none of the above

Question

Quizplus · Accepted Answer

Residual stresses in castings primarily occur due to the differential solidification rate of thin and thick sections of the casting. This difference in cooling rates leads to uneven contraction, which in turn causes residual stresses.

The Residual Stresses in Casting Occur Due to