A Critical Study of the Ledebur Method for Determining Oxygen in Iron and Steel (Classic Reprint) - Brossura

Cain, J. R.

Brossura

ISBN 10: 0365550841 ISBN 13: 9780365550846

Casa editrice: Forgotten Books, 2019

Riassunto

Excerpt from A Critical Study of the Ledebur Method for Determining Oxygen in Iron and Steel

Oxides with known or unknown formulae of the following ele ments may exist in steel: Class I, iron and manganese; class 2, silicon (silicates), aluminum, chromium, vanadium, and titanium; class 3, copper, nickel, and tungsten; class 4, phosphorus and sul phur; class 5, carbon. Class I consists of metals present in quan tity relatively large to that of the reducing agent (carbon). The corresponding oxides would, therefore, probably be present in steel. Oxides of metals in class 2 have very high heats of formation; hence are diicult to reduce by carbon except at temperatures higher than those usual in steel or iron furnaces, and are therefore prob ably present to some extent in the steels which contain these metals as essential ingredients. Oxides of metals in class 3 are, on the contrary, very readily reduced by carbon at temperatures prevail ing in steel furnaces, and are probably never present in steel. Oxides of class 4 are volatile or decomposed at steel-melting. Temperatures and are not to be expected in the metal. Class 5 contains the oxides of carbon. These have been reported by numerous investigators, and it is almost certain that carbon mon oxide, at least, is present.

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Dettagli dell'edizione

• Editore: Forgotten Books
• Data di pubblicazione: 2019
• Lingua: Inglese
• ISBN 10: 0365550841
• ISBN 13: 9780365550846
• Rilegatura: Copertina flessibile
• Numero di pagine: 38
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