DEVICE FOR DETERMINING THE ACTIVITY OF OXYGEN IN MOLTEN METAL

A device for determining the activity of oxygen in molten metal is disclosed. The device has a reusable portion which is used during each oxygen determination. The device also has an expendable portion which is consumed in the molten metal during each oxygen determination. A feature of the device is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JACKSON, PAUL L
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY METALLURGY OF IRON PHYSICS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TESTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	A device for determining the activity of oxygen in molten metal is disclosed. The device has a reusable portion which is used during each oxygen determination. The device also has an expendable portion which is consumed in the molten metal during each oxygen determination. A feature of the device is that no fine wires are utilized in connecting the expendable portion to the reusable portion. In the expendable portion of the device, a half cell comprising a solid electrolyte and an oxygen reference material is protected from thermal and mechanical shock upon its immersion into the molten metal. Another feature of the device is that the expendable portion can be easily attached to the reusable portion.