According to Section 1 of the standard, ASTM E562 describes the determination of the volume fraction of a single, identifiable phase or constituent in a multiphase material using a method.

ASTM E562-19e1 remains a foundational pillar of quantitative metallography. Through its elegant marriage of basic geometry and Student's

[ \barV_V = \frac\sum V_V(field)n ]

PP,1=516=0.3125cap P sub cap P comma 1 end-sub equals 5 over 16 end-fraction equals 0.3125 3 points inside, 1 on the boundary.

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