Astm E562-19 Pdf Jun 2026

Counted if the grid intersection falls completely within the phase of interest.

A grid (typically a 10x10 or 100-point array) is placed over the image of the microstructure, often using an eyepiece reticle, a projection screen, or a digital monitor. Point Classification: astm e562-19 pdf

The is the specific revision of this standard released in 2019. It supersedes previous versions (such as E562-11) and incorporates updates regarding precision, bias calculations, and modern imaging technologies. Counted if the grid intersection falls completely within

A: ASTM E562-19 provides a statistical formula. For most applications, 1000 to 2000 total points across 50–100 fields is sufficient for ±5% relative accuracy. often using an eyepiece reticle

The method relies on a statistical stereological approach where a regularly arrayed grid of points is superimposed over a two-dimensional section of a specimen.