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ISO 9042 : 2024

Steels — Point counting method for statistically estimating the volume fraction of a constituent with a point grid

Standard Details

This document specifies a point counting method for statistically estimating the volume fraction of a constituent through the microstructure of a steel by means of a point grid.

It applies to constituents which are clearly identifiable.

By default, counting is performed manually, but can be computer assisted or substituted by validated computer algorithms.

NOTE            In this document, the word ""constituent"" can designate a phase as well as a micrographic constituent composed of two or more phases.

General Information

Status : Published
Standard Type: Main
Document No: ISO 9042 : 2024
Document Year: 2024
Pages: 8
Edition: 2
  • Section Volume:
  • ISO/TC 17/SC 7. Methods of testing (other than mechanical tests and chemical analysis)
  • ICS:
  • 77.040.99 Other methods of testing of metals

Life Cycle

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ISO 9042 : 2024
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