Microstructural evolution in AlMgSi alloys during solidification under electromagnetic stirring

P Mikolajczak - Metals, 2017 - mdpi.com
Equiaxed solidification of AlMgSi alloys with Fe and Mn was studied by electromagnetic
stirring to understand the effect of forced flow. The specimens solidified with a low cooling …

Distribution and Morphology of α-Al, Si and Fe-Rich Phases in Al–Si–Fe Alloys under an Electromagnetic Field

P Mikolajczak - Materials, 2023 - mdpi.com
Natural convection is present in all liquid alloys whereas forced convection may be applied
as the method to improve material properties. To understand the effect of forced convection …

Effect of rotating magnetic field on microstructure in AlCuSi alloys

P Mikolajczak - Metals, 2021 - mdpi.com
The solidification of AlCuSi alloys with Mn and Fe was studied by rotating a magnetic field to
understand the effect of melt flow. The specimens solidified with a forced convection, low …

Microindentation hardness-secondary dendritic spacings correlation with casting thermal parameters in an Al-9wt.% Si alloy

D Carvalho, J Rodrigues, D Soares, A Júlio, A Barros… - Materials …, 2018 - matsc.ktu.lt
Experiments were carried out to analyze the effect of growth rates (VL) and cooling rates
(TR) on both secondary dendritic arm spacings (λ 2) and Vickers microhardness (HV) of an …

Flow Effect on Si Crystals and Mn-Phases in Hypereutectic and Eutectic Al-Si-Mn Alloys

P Mikołajczak - Archives of Foundry Engineering, 2023 - journals.pan.pl
During mold filling and casting solidification, melt flow caused by gravity is present.
Otherwise, forced flow may be a method applied for casting properties improvement. The …

Morphology and Distribution of α-Al and Mn-rich Phases in Al-Si-Mn Alloys under an Electromagnetic Stirring

P Mikołajczak - Archives of Foundry Engineering, 2023 - yadda.icm.edu.pl
Convection caused by gravity and forced flow are present during casting. The effect of forced
convection generated by a rotating magnetic field on the microstructure and precipitating …

[HTML][HTML] Thermo-calc prediction of mushy zone in AlSiFeMn alloys

P Mikolajczak, A Genau, J Janiszewski, L Ratke - Metals, 2017 - mdpi.com
Convection forces can cause significant segregation within the liquid during directional
solidification, influencing the structure of the mushy zone and the type and distribution of …

Mushy Zone Morphology Calculation with Application of CALPHAD Technique

P Mikolajczak, A Genau, L Ratke - Metals, 2017 - mdpi.com
Mushy zone morphology in AlSiMn alloys was studied using directional solidification, and
the CALPHAD (Computer Coupling of Phase Diagrams and Thermochemistry) technique …

Formation of Three-Component Phases in Silumins Using a Modifying Mixture Based on Refractory Metals

LA Kazantseva, AP Zykova, MP Kalashnikov… - Bulletin of the Russian …, 2018 - Springer
The results are presented from experimental studies of the microstructure and phase
composition of AK7ch Al–Si alloy with an iron content of 0.4 wt% before and after introducing …

[PDF][PDF] Особенности формирования в силуминах трехкомпонентных фаз при использовании модифицирующей смеси на основе тугоплавких металлов

АП Зыкова, МП Калашников, ИА Курзина… - 2018 - vital.lib.tsu.ru
ВВЕДЕНИЕ Самой важной системой алюминиевых сплавов является Al–Si (силумины),
где присутствие кремния (4.0–13%) способствует хорошим литейным свойствам …