Burning-out process of ceramic moulds

  1. Get@NRC: Burning-out process of ceramic moulds (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1179/136404604225014864
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Journal titleInternational Journal of Cast Metals Research
Pages121127; # of pages: 7
Subjectsolid ceramic mould casting; burning-out; gelling of ethyl silicate binder; casting accuracy; precision casting
AbstractBurning-out is an important step in mould fabrication for the ceramic mould casting process to remove alcohol in the gelled ethyl silicate binder. It affects both the accuracy and stability of the ceramic mould dimensions. In this paper, results are described for length changes of ceramic mould specimens during the burning-out process after alcohol immersion or drying in air for various lengths of time. It is shown that preventing rapid evaporation/removal of alcohol from the ceramic mould specimen before burning-out by immersing the specimen in alcohol generally produces less overall length change compared to leaving the specimen to dry in air. The immersion time for the specimen in alcohol or drying in air before burning-out has a significant effect on the overall length changes in the specimen and on the characteristics of the burning-out curves. Under the conditions investigated, immersing in alcohol for 5–10 h followed by burning-out produced near zero overall length change in the specimen.
Publication date
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number21272501
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Record identifier3f85c72a-27fc-4d89-b476-dbc1c139c677
Record created2014-12-01
Record modified2016-05-09
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