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4. Surface quality control systems
4.1 Degreasing control
Degreasing removes organic products from the surface. These mainly consist of oils and greases used during part manufacture. The effectiveness of this operation determines the extent of surface degradation during subsequent heat treatments, as the contaminants decompose, reacting with the surface and diffusing the chemical elements into the surface layers of the part. Various degreasing control methods are used (see table 4 ).
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Surface quality control systems
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Bibliography
Oils and greases
Websites
Oils and greases
ATC Europe – Chemistry of Lubricant Additives
Noria Corporation – The Critical Role of Additives in Lubrication...
Events
IFHTSE: International Federation for Heat Treatment and Surface Engineering
Standards and norms
- Steels – Micrographic determination of apparent grain size. - NF EN ISO 643 - 2013
- Steels – Determining the content of non-metallic inclusions – Micrographic method using standard images. - NF EN ISO 4967 - 2013
- Metallic and other inorganic coatings – Post-coating treatments on iron or steel to reduce the risk of hydrogen embrittlement. - NF ISO 9588 - 2008
- Ferrous materials – Heat treatment –...
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