The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

Medical Mcqs

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

(A)  Pinhole porosity

(B)  Gas inclusion porosity

(C)  Micro porosity

(D)  Subsurface porosity

Submitted By :Ali Uppal

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