Historical
ISO 9042:1988
Steels - Manual point counting method for statistically estimating the volume fraction of a constituent with a point grid
Applies to constituents (a phase as well as a micrographic constituent composed of two or more phases) which are clearly identifiable. The point grid is superimposed a given number of fields of the observed surface. By counting the number of points the volume fraction is calculated.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]