Device for determining carbon activity through pressure

Patent · Thu Jan 01 00:00:00 EST 1976

OSTI ID:862472

Roche, Michael F ^[1]

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1. Lombard, IL

A hollow iron capsule of annular shape having an interior layer of Fe.sub.0.947 0 and a near absolute internal vacuum is submersed within a molten metal with the inner chamber of the capsule connected to a pressure sensor. Carbon present in the molten metal diffuses through the capsule wall and reacts with the Fe.sub.0.947 0 layer to generate a CO.sub.2 --CO gas mixture within the internal chamber. The total absolute pressure of the gas measured by the pressure sensor is directly proportional to the carbon activity of the molten metal.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• DOE Contract Number: W-31109-ENG-38
• Assignee: United States of America as represented by United States Energy (Washington, DC)
• Patent Number(s): US 3941566
• OSTI ID: 862472
• Country of Publication: United States
• Language: English

Related Subjects

device
determining
carbon
activity
pressure
hollow
iron
capsule
annular
shape
interior
layer
947
near
absolute
internal
vacuum
submersed
molten
metal
inner
chamber
connected
sensor
diffuses
wall
reacts
generate
-co
gas
mixture
total
measured
directly
proportional
inner chamber
molten metal
gas mixture
pressure sensor
directly proportional
absolute pressure
annular shape
internal chamber
/436/73/422/