Norm

ISO/DIS 643:2017 en

Staal - Micrografische bepaling van de schijnbare korrelgrootte

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Over deze norm

Status Ontwerp
Aantal pagina's 21
Gepubliceerd op 02-09-2017
Taal Engels
This International Standard specifies a micrographic method of determining apparent ferritic or austenitic grain size in steels. It describes the methods of revealing grain boundaries and of estimating the mean grain size of specimens with unimodal size distribution. Although grains are three-dimensional in shape, the metallographic sectioning plane can cut through a grain at any point from a grain corner, to the maximum diameter of the grain, thus producing a range of apparent grain sizes on the two-dimensional plane, even in a sample with a perfectly consistent grain size.

Details

ICS-code 77.040.99
Nederlandse titel Staal - Micrografische bepaling van de schijnbare korrelgrootte
Engelse titel Steels - Micrographic determination of the apparent grain size
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