7. Glossary
Attaque chimique; chemical etching
Bringing a chemical compound into contact with the surface to be observed, in order to obtain a difference in relief or coloration between the different constituents, or between oriented crystals of the same phase.
Cassure conchoïdale; conchoidal fracture
Clean, curved, smooth, conch-like fracture.
Métallographie; metallography
Study the nature of the structure of metals on a microscopic scale using optical observation of specially prepared samples.
Microstructure; microstructure
The microscopic structure of steels, made up mainly of individual crystalline zones called grains, whose size, orientation and crystal lattice determine their physical and chemical properties.
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Metallography
- Steel products – Methods for determining the content of non-metallic inclusions in steels - NF A 04-105 - 1986
- General-purpose unalloyed steel wire rod for wire drawing – Surface examination - NF EN ISO 16120 - 2017
- Steel products – Determination of conventional quenching depth after surface heating - NF EN 10328 - 2016
- Steels – Micrographic determination of apparent grain...
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Buehler https://www.buehler.com/fr/
Struers https://www.struers.com/fr-FR
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