Dielectric hardening method of sandmixes containing hydrated sodium silicate

The subject-matter of the paper covers a very topical problem of possible restriction of shortcomings like poor knocking-out properties of castings and hard reclaimability of this type sandmixes by proper selecting their components and using innovative microwave heating. It was proved that the sandm...

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Bibliographic Details
Published inMetalurgija Vol. 52; no. 2; pp. 169 - 172
Main Authors M. Stachowicz, K. Granat, D. Nowak
Format Journal Article
LanguageEnglish
Published Croatian Metallurgical Society 01.04.2013
Subjects
foundry
heating
microwaves
moulding sand
water-glass
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Summary:The subject-matter of the paper covers a very topical problem of possible restriction of shortcomings like poor knocking-out properties of castings and hard reclaimability of this type sandmixes by proper selecting their components and using innovative microwave heating. It was proved that the sandmixes subject to quick dielectric process of drying/hardening show significantly lower residual strength, which gives this method priority over traditional energy-consuming processes of casting core manufacture.
ISSN:0543-5846
1334-2576