Try searching the physical book for “Shadowgraph vs. Actual.” You can’t. In this PDF repack, Ctrl+F finds every mention of “interference,” “density,” and “aluminum alloy 356.” The appendix (which most people ignore) becomes usable.
What specific are you casting (Aluminum or Magnesium)? What is the average section thickness of your components? astm e155 porosity levels pdf repack
Non-spherical gas voids often appearing in clusters or strings. Shrinkage (Sponge): Porosity caused by the metal contracting as it cools. Foreign Material (Less/More Dense): Try searching the physical book for “Shadowgraph vs
ASTM E155 Discontinuity Levels Guide | PDF | Materials - Scribd Ctrl+F finds every mention of “interference
Similar to porosity but usually larger and less numerous.