Astm E562-19e1 [2025]
, this study uses the systematic manual point count method from ASTM E562-19e1 to estimate morphology volume fraction for lamellar, equiaxed, or feathery Additive Manufacturing Microstructure Analysis : Research featured in the Journal of Materials Science
$$Vf = \fracP_cP_t$$
Do:
The voids were growing. By Field 10, the black specks had merged into spiderwebs. The standard’s requirement was clear: perform at least 25 fields with a systematic pattern. She did 50. Her eyes burned. Her hand cramped. astm e562-19e1
“It looks perfect,” Vega whispered.
[ V_V(field) = \fracP_pP_t \times 100 ]