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{{Refimprove|date=November 2010}}
[[File:AOD (Argon, oxygen decarburisation) vessel.jpg|thumb|Refining of a 9.5%CrMoWVNbN steel in an argon, oxygen decarburisation (AOD) vessel]]
'''Argon oxygen decarburization''' ('''AOD''') is a process primarily used in [[stainless steel]] [[steel making|making]] and other high grade alloys with oxidizable elements such as [[chromium]] and [[aluminum]]. After initial melting the metal is then transferred to an AOD vessel where it will be subjected to three steps of refining; [[decarburization]], [[Reduction (chemistry)|reduction]], and [[desulfurization]]. AOD was invented in 1954 by the Lindé Division of The [[Union Carbide Corporation]] <ref>{{cite journal | doi = 10.1007/BF02667991| bibcode = 1973MT......4.1439K| title = The linde argon-oxygen process for stainless steel; A case study of major innovation in a basic industry| journal = Metallurgical Transactions| volume = 4| issue = 6| pages = 1439| last1 = Krivsky| first1 = W. A.| year = 1973| doi-broken-date = 2020-03-15|url=https://link.springer.com/article/10.1007/BF02667991}}</ref> (which became known as [[Praxair]] in 1992).<ref>[http://www.unioncarbide.com/History History]. Unioncarbide.com (1917-11-01). Retrieved on 2013-12-28.</ref>
==Process==
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