Method for measuring the amount of an active clayey component co

Details Method for measuring the amount of an active clayey component co Method for measuring the amount of an active clayey component co

1996-04-12

1997-10-07

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73866, G01N 1100

Patent

active

056750900

ABSTRACT:
A method is disclosed to accurately and easily measure the amount of an active clayey component contained in molding greensand. A test piece is produced by feeding a predetermined amount of the molding greensand into a testing receptacle. The test piece is then tested to obtain its compressive strength. The amount of the active clayey component contained in it is determined from the measured compressive strength by using previously obtained data on the relation between the compressive strength and the active clayey component of molding greensand which is used on a mold-producing line or at a factory.

REFERENCES:
patent: 4930354 (1990-06-01), Knopp et al.

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