MODEL STUDIES OF SAND RECLAMATION FROM THE WASTE MOULDING MIXTURES WITH NEW INORGANIC BINDER USED FOR CASTING OF ALUMINIUM ALLOYS

The article presents the results of model tests and studies of the sand reclamation from waste moulding and core mixtures with an inorganic geopolymer binder, used in the trial production of pilot castings...

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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 aspect of moulding sands with new inorganic binders in the process of pouring moulds with liquid metal

One of the factors which influence development tendencies within the scope of moulding sands used in foundry practice is environmental protection. Hence, while assessing technologies, the composition of utilised materials and emissions of harmful ...

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Possibilities of waste binder reclamation using the example of moulding sands with water glass hardened by the conventional drying process

The article presents the results of preliminary studies on the possible application of innovative activation treatments of inorganic binders during the reclamation of waste water glass moulding sands hardened by conventional drying. The test mould...

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Choice of mould-making technology for the modified ablation casting process

The article presents the results of tests and studies carried out within the framework of statutory activities on various additives to moulding sands based on water-soluble inorganic binders for ablative knocking out of castings. As a result of te...

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The effect of wetting agent on the parameters of dry moulding silica sands bonded with sodium water glass

An attempt has been made to determine the effect of the addition of an agent wetting the surface of silica sand grains, introduced in order to increase the hardening efficiency of selected physical methods applied to the ecological foundry sands b...

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Impact of penetration depth of protective coating on thermal deformation of masses determined by the hot distortion parameter

Protective coatings are applied in order to obtain casts with an even surface, without faults. Protective coatings can contain a solvent based on water or alcohol; however, due to their harmfulness, it is recommended to limit the use of alcohol co...

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The role of the densification of moulding sands with inorganic binders in the modeling of their strength obtained after microwave hardening

The study attempts to complement the information on the effect of the density of moulding sands with inorganic binders on basic strength parameters, i.e. the tensile and bending strength of moulding sands with hydrated sodium silicate, after the p...

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Investigation of mechanical properties and coefficients of sound insulation of innovative silicone composite material

A new non-combustible, non-flammable, waterproof, long-lasting, heat-insulating composite material was made of glass foam granules (derived from glass waste) and a hydraulic inorganic binder in the form of a white Portland cement solution (CE...

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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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