USE OF FLOW-3D PROGRAM FOR SIMULATION OF POURING AND SOLIDIFICATION PROCESS OF DUCTILE CAST IRON CASTINGS. PART 1

Pouring and solidification of EN-GJS-400-15 ductile cast iron castings of soft wedge gate valves for PE pipes used in gas pipelines was simulated. The analysis was performed in Flow-3D program. On the basis of the two-dimension documentation provi...

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THE ASSESSMENT OF CHANGES OF THE STRUCTURE OF DUCTILE CAST IRON DEPENDING ON THE TIME AND TEMPERATURE OF THE METALLURGIC PROCESS

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 STUDY OF FACTORS ALTERING PHYSICAL AND CHEMICAL STATE OF LIQUID CAST IRON AND A SELECTION OF THE MATERIAL PROPERTIES

The study was conducted to determine the effect of spheroidization and modification method, of the CE value, the content of magnesium and lanthanum on susceptibility to form shrinkage defects, structure and resistance properties of ductile cast ir...

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THE COMPARISON OF THE MICROSTRUCTURE AND THE MECHANICAL CHARACTERISTIC OF AUSTEMPERED DUCTILE CAST IRON AND STEEL SUBJECT TO DYNAMIC DEFORMATION USING THE TAYLOR TEST

The article attempts to compare the resistance of austempered ductile cast iron and S215 steel to dynamic loads. The samples were subject to research using the Taylor test methodology at different speeds of deformation, in order to determine the c...

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The exploitation of TTT diagrams in the CAPCAST system

The presented paper is a description of one of the modules of the CAPCAST system which allows determination of recommended materials made of ductile cast iron which show specific properties or may achieve the desired properties after an appropriat...

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The use of TTT diagrams of low-alloy ductile cast iron to develop a technology for the production of ADI

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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Thermophysical properties of CuNiMoMn Austempered Ductile Iron

The aim of the study was to determine the thermophysical characteristics of CuNiMoMn austempered ductile iron (ADI) obtained as a result of standard, one-step heat treatment performed at various temperatures.Temperature-dependent physical pr...

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