Homogeneity studies of powders and plasma sprayed deposits View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1994-12

AUTHORS

Blahoslav Kolman, Jiří Forman, Jiří Dubský, Pavel Chráska

ABSTRACT

For production of plasma sprayed protective deposits and self-standing ceramic parts many different feedstock powders are used. The powders are very often of a composite type prepared by various technologies and mostly chemically very inhomogeneous. A method has been developed for evaluation of chemical homogeneity of both, the feedstock powders and the sprayed materials. The backscattered electron images along with the element mapping of dopant have been used as the basic measurement. The homogeneity coefficients were determined by quantitative point analysis with ZAF corrections. The results show that under all spraying parameters there is always a certain redistribution of all species leading to a better homogeneity. But generally, the more homogeneous the feedstock powder, the better the homogeneity of the deposits on both micro and macro scale. More... »

PAGES

335-342

References to SciGraph publications

  • 1992-12. Study of phase changes in plasma sprayed deposits in JOURNAL OF THERMAL SPRAY TECHNOLOGY
  • Journal

    TITLE

    Microchimica Acta

    ISSUE

    1

    VOLUME

    114-115

    Author Affiliations

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf01244560

    DOI

    http://dx.doi.org/10.1007/bf01244560

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1023345497


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