Determination of carbon analysis in irons

Details Determination of carbon analysis in irons Determination of carbon analysis in irons

1976-04-07

1977-02-22

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

75130R, G01N 2502

Patent

active

040086046

ABSTRACT:
A new, accurate method for the determination of percent total carbon in a molten hypoeutectic or hypereutectic iron is disclosed. It has been found that percent total carbon content of a molten iron is related to a straight-line function of the difference in liquidus and eutectoid transformation (i.e., austenite to pearlite) temperatures of the iron. A standard liquidus - eutectoid transformation temperature difference (based on total carbon content) is generated. A molten iron sample is cooled through the eutectoid transformation temperature and the difference in the liquidus and eutectoid transformation temperatures is compared with the standard liquidus-eutectoid transformation temperature difference to determine the percent total carbon of the sample.

REFERENCES:
patent: 3375106 (1968-03-01), McKissick et al.
patent: 3546921 (1970-12-01), Bourke et al.
patent: 3891834 (1975-06-01), Warinski

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