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MICROSTRUCTURE EVOLUTION DURING PERITECTIC L + Al6Mn(Fe) → α-Al + α-AlMnFeSi PROCESS IN AlFeMnSi ALLOYS


In this work, the course of peritectic L + Al6Mn(Fe) → α-Al + α-AlMnFeSi transformation taking place in AlFeMnSi alloys was traced. The specific microstructural effects in the transformed primary p...

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KINETICS OF THE DECOMPOSITION OF AUSFERRITIC STRUCTURE IN COPPER-NICKEL ADI


To determine the kinetics of ausferrite decomposition in copper-nickel ADI, a kinetic model of Johnson-Mehl-Avrami (JMA), designed for the investigations under non-isothermal conditions, was used. Applying the Netz...

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HIGH-TEMPERATURE SULPHIDATION OF Fe-Cr-Al STEELS: THE PRESENT STATE OF THE ART AND FUTURE RESEARCH


This work reviews the current state of research regarding high temperature sulphidation resistance of Fe-Cr-Al steels that belong to a family of AFA (Alumina Forming Alloys). The behavior of these steels in hot gas...

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Development of innovative method to procedure chemically active nano-coatings for moulds and cores


Tests were conducted to develop a new generation of functional nano-coatings used in the foundry industry. The research focused on the introduction of modern and innovative coatings based on nanoparticles of cast elements and active chemical compo...

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Building foundations for the diffusion mechanism of ceramic mould drying


An attempt was made to develop a mathematical model and apply this model in numerical analysis to the drying process of multi-layer ceramic moulds used in investment casting. The numerical analysis carried out in a FLOW-3D program was meant to ser...

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Investigation of the interaction between the CuZn38Pb2 matrix and the Fe reinforcement phase during the production of the complex relief MMCs


The present paper is relevant to the investigation of the interaction between the copper alloy metal matrix (CuZn38Pb2) and the reinforcement phase (Fe) during the production of "hybrid" complex relief MMCs. An innovative production method is used...

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