Monel
Monel, zvan još i Monel metal, je slitina nikla i bakra prozvana po Ambroseu Monellu. Patentiran je 1906. godine. To je vrlo skupa slitina, cijena mu je oko 5 do 10 puta veća od cijene bakra ili nikla.
Sastav
Monel se sastoji od približno 65 % nikla, 33 % bakra i 2 % željeza. Otporan je na atmosfersku koroziju te morsku vodu i razne kisele i alkalne otopine. Naziv Monel zakonski je zaštićen, sva prava drži Special Metals Corporation, iz Huntingtona u West Virginiji, SAD. Materijal se smatra prethodnikom nehrđajućih čelika i koristi se i danas.
Slitine
| Trgovački naziv | ASTM/AISI
Tip slitine |
UNS | %Cu | %Al | %Ti | %Fe | %Mn | %Si | %Ni |
|---|---|---|---|---|---|---|---|---|---|
| Monel 400 | B 127, B 164 | N04400 | 28-34 | 2,5 max | 2,0 max | 0,5 max | 63 min | ||
| Monel 401 | N04401 | 28-34 | 2,5 max | 2,0 max | 63 min | ||||
| Monel 404 | N04404 | Rem | 0,05 max | 0,5 max | 0,1 max | 0,1 max | 52-57 | ||
| Monel K-500 | B 865 | N05500 | 27-33 | 2,3-3,15 | 0,35-0,85 | 2,0 max | 1,5 max | 0,5 max | 63 min |
| Monel 405 | B 164 | N04405 | 28-34 | 2,5 max | 2,0 max | 0,5 max | 63 min |
Dodatna literatura
- Shoemaker, Lewis E.; Smith, Gaylord D. 2006. A Century of Monel Metal: 1906–2006. JOM. 58 (9): 22. Bibcode:2006JOM....58i..22S. doi:10.1007/s11837-006-0077-x
Vanjske poveznice
- Monel Corrosion Arhivirana inačica izvorne stranice od 14. ožujka 2017. (Wayback Machine)
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