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: The standard describes how to measure the area percentage of porosity through visual comparison or automated tools.
equipment to automatically calculate the area percentage of pores based on color or grayscale differences in the microstructure. ASTM International Technical Requirements E2109 Standard Test Methods for Determining Area ... - ASTM astm e2109-01 pdf
When she confronted the team with the possibility of substitution, they denied it flatly. “We follow E2109,” they said, as if the document itself was an alibi. But standards are instructions, not guarantees. Marta asked to see retained split samples—those portions set aside to verify the original later. The chain of custody for them was messy: sticky notes, mismatched signatures, a single tube labeled with a date that did not match the shipment manifest. : The standard describes how to measure the
ASTM E2109-01 is a standard test method specifically designed for - ASTM When she confronted the team with