Astm E562-19e1 -
) is calculated as the ratio of points falling on the phase to the total number of points in the grid ( Ptcap P sub t
The original E562 was first approved in 1976. The 2019 revision (E562-19) clarified statistical tables and added guidance on digital imaging. The editorial correction fixed minor typographical errors in formulas or references. No technical changes were introduced in e1 – it remains identical to E562-19 in procedure. astm e562-19e1
Understanding the standard requires familiarity with the following terms as defined in ASTM E562-19e1: ) is calculated as the ratio of points
Standard Test Method for Determining Volume Fraction by Systematic Manual Point Count Designation No technical changes were introduced in e1 –
The versatility of ASTM E562-19e1 allows it to be applied to a wide range of solid materials, including metals, ceramics, and composites. Its practical utility is most evident in:
: Ensuring that the ferrite-to-austenite ratio in duplex stainless steels remains within specification to prevent mechanical failure.
Vv=∑Pin×Ptcap V sub v equals the fraction with numerator sum of cap P sub i and denominator n cross cap P sub t end-fraction is the number of fields analyzed. 2. Implementation in Modern Research