Similar to gas porosity but generally larger; these appear as smooth-edged dark spots.
Massive, equiaxed voids with a sponge-like appearance. The Eight Levels of Severity astm e155 porosity levels pdf repack
Appears as round or elongated dark spots. These are typically minute voids distributed throughout the entire casting. Similar to gas porosity but generally larger; these
In the context of ASTM E155, porosity is generally categorized by how it appears on a radiograph. astm e155 porosity levels pdf repack
Formally titled the , this document illustrates the various types and degrees of discontinuities—commonly referred to as defects—found in these specific alloys.