APPLICATION OF GEOPOLYMER BINDER IN MANUFACTURING OF CASTING FROM FERROUS ALLOYS

The article presents the results of laboratory and industrial tests on the application of a new geopolymer Rudal A binder used in production of moulding and core sands for castings from carbon and alloyed cast stee...

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STUDIES ON THE PROPERTIES IMPROVEMENT AND APPLICATION OF NEW INORGANIC BINDERS USED IN THE MANUFACTURE OF ENVIRONMENT-FRIENDLY MOULDING AND CORE SANDS

The article gives the results obtained in a fragment of the studies, carried out under a statutory activity, on optimising of the foundry sand technology with new modified inorganic binders, chemically bonded and C...

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Reclamability of moulding sands with new inorganic binders for non-ferrous castings

The article presents results of an investigation which constitutes a section of research under the project POIG.01.01.02-00-015/09 "Advanced materials and technologies", one of the aims which is the introduction of new ecological inorganic binders...

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The ecological and material-saving technology for producing brake blocks with stable parameters of quality. Part 1. Technology modernization using computer simulation

The presented article is the first in the series, which presents research related to the improvement of technology for producing brake blocks for the railway industry in the Spomel foundry in Lębork.The cooperation with the Foundry Research...

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The ecological and material-saving technology for producing brake blocks with stable parameters of quality Part 2. Verification of modernized technology under real conditions

The presented article is the second in the series, which presents research related to the improvement of technology for producing brake blocks for the railway industry in the Spomel foundry in Lębork. The cooperation with the Foundry Research Ins...

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Waste moulding sand as a substitute aggregate in the manufacture of autoclaved cellular concrete

The article presents the results of research on the possibilities of utilizing waste moulding sands with silicate and geopolymer binders in the production of autoclaved cellular concrete. The high content of silica in the waste moulding and core s...

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Aromatic compounds in waste gases formed during thermal decomposition of foundry binders

The paper presents the results of analysis of gases formed under the impact of high temperature acting on moulding sands with the addition of selected organic resins and hardeners, commonly used in foundries as binders for these sands. As a resear...

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Effect of a biodegradable addition as a binary binder component for cast moulding and core sands on the properties of the binder and the sands

The increasing requirements concerning the emission of hazardous substances force the casting industry to search for new, more environment-friendly solutions. Such solutions may include technologies of developing moulding and core sands with the u...

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The influence of heating method and the thickness of measuring cores made of olivine moulding sands with sodium silicate on the deformation tested with a DMA Hot-Distortion device

The article raises the issue of the influence of increased temperature on olivine moulding and core sands with an inorganic binder from the group of unmodified kinds of hydrated sodium silicates. Produced at laboratory conditions,&n...

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Preliminary testing of microwave-cured joints made of adhesives based on hydrated sodium silicate and quartz sand

In this paper an attempt was made to explain the phenomena accompanying the formation and destruction of bonded elements of moulds and cores in which a mixture of unmodified hydrated sodium silicate with a molar module of 2.9 (...

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Adhesion and abrasibility of selected protective coatings for loose self-setting sand combined with organic binders

Testing the properties of mould and core sands are specified in the norms and standards, which are used to determine the suitability of the sand for specific applications. However, the testing of protective coatings for moulding&nbs...

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