G - Physics – 01 – N
Patent
G - Physics
01
N
73/164, 354/29
G01N 25/04 (2006.01)
Patent
CA 1053801
ABSTRACT OF THE DISCLOSURE A cooling curve computer and computation process for detecting the liquidus and solidus temperatures of a poured sample of iron alloy or other metal allow and for computing, using electrical signals representative of the magnitudes of the liquidus and solidus temperatures, the percentages or equivalent percentage of one or more con- stituents of the sample. The computer includes means for generating a first electrical signal proportional to the temperature of the sample as it cools. First circuit means, supplied with the first electrical signal, are provided for detecting the liquidus and solidus tempera- tures of the sample. Second circuit means are utilized to store the magnitudes of the first electrical signal at the times of occurrence of the liquidus and solidus temperatures in the sample. Also, third circuit means are provided for generating a second electrical signal representative of the percentage or the equivalent per- centage of one or more constituents of the sample. The third circuit means utilizes the stored magnitudes of the first electrical signal in the generation of the second electrical signal.
223180
Ford Motor Company Of Canada
Na
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