The Granulometric Features and Permeability Examination of No-Bake Resin Bounded Sand Cores

Hudák, Henrietta and Varga, László (2020) The Granulometric Features and Permeability Examination of No-Bake Resin Bounded Sand Cores. Materials Science and Engineering, 45 (1). pp. 153-162. ISSN 2063-6792

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Abstract

A lot of natural and even more artificial sand is used in foundry technology. Foundry sand is the main element of sand mixtures from which molds or sand cores are made. The features of sand are determined by the below factors: chemical and mineralogical com-position, sand grain’s size, grain size distribution, sand grain’s shape and the quality of the surface. Samples made from different foundry sand are used during the research whose fea-tures were examined with a new qualification system and then its connection with the gas permeability of sand cores were also analyzed.

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