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Your search for eutectic resulted in 15 matches...

THERMOPHYSICAL PROPERTIES OF CAST IRON USED IN THE MANUFACTURE OF BRAKE DISCS


This paper presents the results of measurements of thermophysical properties of automotive brake discs made from gray cast iron. The samples were tested before and after operation in the braking system. Thermal con...

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SCANNING EXAMINATIONS OF MAGNESIUM- AND LITHIUMBASED ALLOYS OF TWO-PHASE α-β AND MONOPHASE β STRUCTURE


The study presents the results of examinations carried out on ultra-light magnesium- and lithiumbased alloys of two-phase α-β structure and monophase β structure using scanning electron microscopy w...

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METODA PRZETWARZANIA ŻELIWA W STANIE PÓŁSTAŁYM


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 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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Analysis of the chemical composition of AlMnFe and AlFeMnSi intermetallic phases in the interdendritic eutectics in the Al-alloys


In this study a simple procedure for the in situ identification of the intermetallic phase precipitates in the interdendritic eutectic in both wrought and cast AlFeMnSi alloys has been established and then verified by ...

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Solidification path of the AlFeMnSi alloys in a stage of primary intermetallic phases precipitation


In this work, an analysis of the solidification course of the AlFeMnSi alloys was carried out in the Al alloys of Fe, Mn, and Si concentrations in a range supplementary for those examined until now. The morphology of the pre-dendrite and pre-eutec...

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The AlFeMnSi intermetallics competition in the interdendritic eutectics in AlSi cast alloys influenced by cooling rate and transition metals content


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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Inoculation of Al-Si alloys using the electromagnetic stirring method


In this research paper results concerning the inoculation method based on electromagnetic stirring of hypoeutectic aluminum with silicon alloys AlSi2 and AlSi7 grade are presented. The inoculation process used a stirrer supplied by current with a ...

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Effect of molybdenum on the crystallization, microstructure and properties of silumin 226


The article presents the results of studies of hypoeutectic silumin with a molybdenum addition used for pressure casting. The studies included a thermal-derivative analysis of the crystallization process, a metallographic analysis of the microstru...

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Improvement of plasticity of the AlSi11 alloy due to soft annealing treatment


The paper presents research on the possibility of improving the plasticity of near-eutectic AlSi11 alloy by the use of soft annealing treatment. For two assumed input quantities, i.e. temperature and duration of the soaking treatment, based on the...

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Optimization of grain refinement and modification of the eutectic in hypo- and transeutectic Al-Si alloys


The procedures of grain refinement and modification of a silicon eutectic in hypo- and transeutectic silumins belong to important factors shaping their microstructure as well as physico-mechanical and technological properties. Due to this fact, th...

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Effect of vanadium on the crystallization process, microstructure and properties of Al-Si alloy EN AC-46000


The paper presents the results of the study of Al-Si alloys with a vanadium addition used in pressure casting. The hypoeutectic Al-Si alloy grade EN AC-46000 was applied as the initial alloy. The master alloy AlV10 was introduced into the initial ...

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Microstructural characterization of Inconel 713C superalloy after creep testing


The main aim of this investigation was to determine the microstructural degradation of Inconel 713C superalloy during creep at high homologous temperature. The alloy in as cast condition was characterized by large microstructural heterogeneity. In...

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Effect of chromium on the crystallization process, microstructure and properties of hypoeutectic Al-Si alloy


The paper presents the results of studies of hypoeutectic silumin with a chromium addition used for pressure casting. A silumin with the composition similar to that of EN AC-46000 was used as the initial one. In order to introduce chromi...

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Microstructure formation and grain refinement of Al-Mg-Si-Mn casting alloys


Together with development of casting technology for Al-Si-Mg alloys, new groups of casting materials are undergoes its implementation into foundry practice. Al-Mg-Si casting alloys possessed several advantages such as good strength ...

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