Your search for cooling resulted in 24 matches...
The article presents the developed research methodology that allows the evaluation of the kinetics of solidification and cooling of pattern material in a metal mould ( die). The apparatus was described and the resu...
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The role of interstitial elements, i.e. nitrogen and boron, in the process of ductile iron solidification and heat treatment of castings was discussed. Austempering of ductile iron aims at obtaining an ausferritic ...
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The effect of heat treatment on structure and mechanical properties of B1044 (CuAl10Fe4Ni4) alloy was investigated. In the examined alloy, the content of aluminium, iron and nickel results in the formation of struc...
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Surface tension of liquid tin under high vacuum was measured by the technique of large drop, using a versatile set of apparatus for high temperature testing of the properties of liquid metals and alloys. Two proced...
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A device for the fabrication of ingots from cast iron of globular non-dendritic structure of the primary phase was designed and made, using the principle of overflow on the Slope Cooling Plate, known as the SCP met...
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The effect of solution heat treatment with jet cooling and modification with C + Ca and CaC2 on the behaviour of BA1044 alloy in as-cast state, and after solution heat treatment and toughening was examined. The microjet modification and...
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The results of technological tests (chemical composition, solidification curves, microstructure) of ductile cast iron smelting in the Foundry Research Institute in an induction furnace. In the case of crystallization of spheroidal graphite no long...
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The presented paper is a description of the significance of CCT and TTT diagrams in the processes of heat treatment of ductile cast iron, and especially during the production of ADI. A review of literature in the subject was made. Own research inc...
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The article presents preliminary results of research on ablation casting technology. The guidelines for the design of equipment to carry out the process are described. Based on the above mentioned instructions a test stand was developed and built....
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The paper presents the possibility of obtaining highquality silumin castings with enhanced mechanical properties. It ensures the effective use of the multipoint water mist cooling system which is managed by a dedicated computer program....
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This text presents the methodology and results of testing aluminium steel casting fluidity obtained in the bar test. These results have been compared with the fluidity of chrome-nickel-copper steel casting tested under the same conditions. The cou...
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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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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 aim of the study was to determine the possibilities and conditions for the use of a multi-channel digital recorder to control cast iron quality by rapid thermal analysis. A computer program cooperating with a digital recorder was developed. It...
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Computer programs are now a common tool aiding the engineer’s work on structure design. The design of foundry moulds used in the pressure die casting process, based on the casting design and effectively utilising the ability to create 3D ima...
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Microscopic observations and quantitative analysis of the microstructure image were used to analyze the solidification course and morphology evolution in polyphase eutectics in the AlSi casting alloys with transition metals Fe and Mn. The utility ...
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In the research, a complex procedure was performed to determine the optimal parameters of thermal treatment of ductile iron with Ni, Cu, Mo and Mn additions which underwent austempering in order to obtain the ADI cast iron. Based on the constructe...
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The study analyzes the effect of Ni and Cu additions on the mechanical properties of ADI cast iron in casts with different wall thickness values. The applied experiment plan included the use of combinations of the Ni addition in the amount of 0.5%...
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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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During the project a technology of making ceramic moulds using aluminosilicate microspheres was developed. According to the developed technology, ceramic samples were used to determine thermal conductivity in the temperature range of 500°C to ...
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One of the aspects of sustainable development is the reduction of the concentration of CO2 in the atmosphere. This could be achieved for example by the reduction of fuel consumption. That is why the research for the new construction and...
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The paper focuses on the experimental investigation of high temperature wetting behaviour of liquid pure Mg during a contact heating on Ni substrate by the sessile drop method. High temperature wettability test was performed by the ...
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The fundamental aim of the study was to obtain high-alloy granulate. The study tests many possibilities of obtaining granulate with the use of the appropriate methods. The preliminary tests with the use of small melting units as well as granulate ...
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The results of testing the tendency of light metals to forming defects from the group of discontinuities - hot cracks (W-301) [1], are presented in the hereby study. These are alloys of a small or moderate tendency for hot cracking. However this t...
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