A5019041792- Magnesium Alloys: Properties and Applications
- Aluminum Alloys Composites Properties
- Aluminum Alloy Microstructure Properties
- Hydrogen Storage and Materials
- Materials Engineering and Processing
- Metallurgy and Material Science
- Advanced Welding Techniques Analysis
- Material Properties and Applications
- Intermetallics and Advanced Alloy Properties
- Advancements in Materials Engineering
- Metallurgical and Alloy Processes
- Microstructure and Mechanical Properties of Steels
- Metallurgy and Material Forming
- Metal and Thin Film Mechanics
- Corrosion Behavior and Inhibition
- Surface Treatment and Coatings
- Metal Alloys Wear and Properties
- Structural Engineering and Materials Analysis
- Microstructure and mechanical properties
- Additive Manufacturing Materials and Processes
- Titanium Alloys Microstructure and Properties
- High Temperature Alloys and Creep
- Advanced Thermoelectric Materials and Devices
- Additive Manufacturing and 3D Printing Technologies
- Mechanical and Thermal Properties Analysis
Silesian University of Technology
2013-2024
Cracow University of Technology
2021
The following work aims to present the casting defects effect in AlSi10MnMg alloy structural components on blister's possibility. Structural must exhibit high mechanical properties, specifically ductility. That requires heat treatment process. However, component's exposure temperatures can cause blistering surface, which is unacceptable final product. For microstructure studies, samples were cut from regions close gating system (hot areas) and those away it (cold areas). comparison, paper...
The influence of different types precipitation on the corrosion behavior was investigated in three aluminum-siliconmagnesium alloys. microstructures alloys were studied through optical (OM) and scanning electron microscopy (SEM). structures consisted an α-Al solid solution matrix, Si eutectic crystals, secondary phases AlFeSi AlMgFeSi (Chinese script), as well Mg 2 Si. examined with use a potentiodynamic polarization test followed by SEM surface analysis. results indicate that all analyzed...
A study has been undertaken to reveal the microstructure, mechanical and creep properties of two Mg-4Y-3RE Mg-3Nd-1Gd magnesium alloys. The relationship between ageing parameters, was specified. Structure investigations showed that maximum during at 200 °C/16 h (Mg-3Nd-1Gd alloy) 250 (Mg-4Y-3RE resulted from formation fine beta;ldquo; β" precipitates in α-Mg solid solution. Further led decrease due β1 β phases alloy or only phase Mg-3Nd-1Gd. tests temperature °C stress range 90-150 MPa show...
In the present article, phase identification of four magnesium alloys: Mg-9wt%Al, Mg-8wt%Al-2wt%Ca-0.5wt%Sr, Mg-5wt%Y-4wt%RE and Mg-3wt%Nd-1wt%Gd were studied. The results showed that Mg-9wt%Al alloy contains only Mg 17 Al 12 intermetallic in α-Mg matrix. As-cast microstructure Mg-8wt%Al-2wt%Ca-0.5wt%Sr consist matrix with (Al,Mg) 2 Ca 4 Sr phases. several This was characterized by a solid solution structure eutectic + 14 Y Nd on grain boundaries. precipitates MgY, Y, 24 5 phases have been...
The paper presents the results of DSC and microstructural investigations Elektron 21 magnesium alloy in as cast condition after solution hardening. is a based casting containing neodymium gadolinium for used to at 200°C aerospace application. heat treatment was performed 520°C/8h/water. Ageing different temperatures 200, 250, 300 350°C, then quenched air. microstructure consists primary solid α -Mg grains with eutectic α-Mg + Mg3(Nd,Gd) phase regular precipitates MgGd3 phase. After three...
The researches have concerned cavitation erosion of AlSi7Mg and AlSi11Mg aluminium casting alloys. alloys been investigated in the as-cast condition after precipitation hardening. tests were performed using vibratory equipment 5 minutes. Resistance to tested materials was estimated by means MDE (mean depth erosion) parameter according ASTM G32. After eroded surface specimens has observed scanning electron microscopy. roughness measured on profile contact tester. best resistance for exhibited...
Refinement of α-Mg solid solution grains has a significant influence on the improvement mechanical properties cast magnesium alloys. In article, effects three modifiers microstructure and AZ91 alloy casted to sand mould were described. Overheating, hexachloroethane wax-CaF2-carbon powder applied. The research procedure comprised analysis by means light microscopy, scanning electron microscopy quantitative with AnalySIS Pro® software properties’ investigation. in as-cast condition consists...
The paper presents results of TEM and XRD investigations Elektron 21 magnesium alloy in as cast condition after long-term annealing at 250 350°C. In consists primary α-Mg solid solution with α-Mg-Mg3RE eutectic regular precipitates MgRE3. Precipitation °C causes formation the equilibrium β phase. Annealing 350°C caused precipitation globular Mg41Nd5 phases on grain boundaries. Also MgRE3 phase have been observed.
The AJ63 magnesium alloy contains 6 wt.% aluminum and 3 strontium. typical microstructure of this grains solid solution magnesium, lamellar precipitation Al4Sr phase massive-type phase. This was tentatively named Al3Mg13Sr its crystal structure is not yet clearly determined. Paper presents the results Rietveld fitting for model compound.
Abstract The AJ62 magnesium alloy (Mg‐6Al‐2Sr) is characterized by good creep resistance up to 175°C and castability enabling production of thin‐walled elements in die casting process. aim the work was analyse influence hot‐chamber parameters on microstructure mechanical properties alloy. Die investigated alloys carried out a 280 tone locking force machine. piston speed, pressure, temperature were changed during casting. microstructural examinations after showed that consisted solid solution...
Magnesium alloys are one of the lightest structural metallic materials. Their specific strength and stiffness is comparable to this, characterizing aluminum even some groups steel titanium alloys. main disadvantage low maximum working temperature (about 120°C for Mg-Al-Zn alloys). This led development Mg-RE-Zr alloys, which can work up 250°C. The paper presents results investigations influence subsequent melting operations on Elektron 21 WE43 magnesium alloy had been prepared from pure...
The complex microstructure of as-cast AlSi7Mg alloy has been investigated. Microstructure observations were done using light microscopy, scanning electron microscopy and transmission microscopy. Chemical composition the constituents was investigated by means energy dispersive spectrometry, conducted both during SEM STEM investigations. Selected area diffraction used to identify phases in alloy. condition consists Al-Si eutectic intermetallic interdendritic regions. These are: Mg 2 Si,...