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2. Choice of cryogenic fluid
A wide range of cryogenic fluids is available on the market. Among the fluids available in liquid form are air, nitrogen, oxygen, argon, helium, neon, hydrogen, etc.
The choice of fluid depends first and foremost on its compatibility with the material to be machined (machining of metallic materials, composites, etc.). But consideration of environmental risks, fluid stability and chemical reactivity is also essential.
2.1 Properties of cryogenic fluids – associated risks
Table 2
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Choice of cryogenic fluid
Bibliography
Standards and norms
- Essais de durée de vie des outils de tournage à partie active unique (E 66-505) - ISO 3685 - 12-93
- Atmosphère type - ISO 2533 - 05-75
- Reference conditions, normal conditions, normal volume – Notions and values - DIN 1343 - 01-90
Regulations
[AIR2006et1006Ra] Avis et rapport de l'Afsset, Risques sanitaires liés à l'utilisation de l'azote liquide (April 10, 2008).
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