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Measurement of Macrosegregations of Steels by X-Ray Microfluorescence

Published online by Cambridge University Press:  06 March 2019

J. Welfringer ,
P. Benoit  and
M. Guyon
J. Welfringer
Affiliation:
IRSID 34, Rue de la Croix de Fer 78105 Saint-Germain-en-Laye, FRANCE
P. Benoit
Affiliation:
IRSID 34, Rue de la Croix de Fer 78105 Saint-Germain-en-Laye, FRANCE
M. Guyon
Affiliation:
IRSID 34, Rue de la Croix de Fer 78105 Saint-Germain-en-Laye, FRANCE
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Abstract

An apparatus based on X-ray microfluorescence has been developed at IRSID in order to routinely and quantitatively determine the state of segregation in steels. The equipment consists principally of an iron anticathode X-Ray tube, a Si(Li) energy - dispersive detector and a “on the fly” operation in a multi-scale analysis mode. The acquisition of a chromium or manganese mapping in a (150 × 150 mm2) steel sample is possible over a total time of about one hour. The calibration curves for chromium or manganese are linear for the usual compositions of steels between 0.3% to 3%.

Type
XV. X-Ray Imaging and Tomography
Information
Advances in X-Ray Analysis , Volume 35 , Issue B: First Pacific-International Congress on X-ray Analytical Methods (PICXAM). Fortieth Annual Conference on Applications of X-ray Analysis, August 7-16, 1991 , 1991 , pp. 1301 - 1306
Copyright
Copyright © International Centre for Diffraction Data 1991

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References

Wherry, D. C., Cross, B. J. and Briggs, T. H., “An Automated X-Ray Micro-Fluorescence Materials Analysis System,” Adv. X-Ray Anal., 31, 93–98 (1988)Google Scholar