FIELD: machine building.
SUBSTANCE: polished section is premade from Portland cement clinker to reveal phase present in said section under microscope. Thereafter, phase compositions are compared to correct phase composition defined from X-ray diffraction spectrum of phases revealed in minor quantities. Then, relationship between two alite monoclinic modifications are defined. Said alite is contained in clinker in major amount. Said modifications are defined by analysing asymmetry of superimposed reflections in the range of angles 2θCu =31.5-33°. Then, Ritweld method is used to define quantitative content of all revealed phases by, first, one monoclinic modification. Then, it is defined by second monoclinic modification. Now, defined is quantitative content of all phases in the range of their mean content and that obtained from monoclinic modification present in major amount.
EFFECT: higher validity, accuracy and comprehension.
2 cl, 6 dwg
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