Definitions for "Blow Holes"
Voids or holes in a casting that may occur due to entrapped air or shrinkage during solidification of heavy sections.
Defects in plated through-hole solder joints, where gases burst through solder as it solidifies, usually at the bottom of a fillet. Cavities are often deep and not washable. Compare with pinholes.
Voids or pores which may occur due to entrapped gas or shrinkage during solidification, usually evident in heavy sections (see porosity).