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| Naji, M. |
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| Ertürk, Emre |
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| Azevedo, Nuno Monteiro |
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Ahlatci, Hayrettin
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Publications (7/7 displayed)
- 2024Effect of 0.20% Beryllium (Be)-Added CuAl10Ni5Fe4 Alloy on Tribological Behavior and Microstructural Properties After Post-Casting Heat Treatment and Forging Process
- 2023The role of deformation in the microstructure, mechanical properties, and shape memory characteristics of Cu-Al-Ni shape memory alloys
- 2023Investigation of corrosion properties of box boring din 20MnCr5 steel bars
- 2023Production and characterization of AISI 316L stainless steel matrix hybrid composites reinforced with boron carbide and carbon nanotubescitations
- 2022Microstructural, mechanical, and <i>in vitro</i> corrosion properties of biodegradable Mg-Ag alloyscitations
- 2022Investigation of microstructural evolution of gas-assisted metal injection molded and sintered Mg-0.5Ca alloycitations
- 2022Dry Wear Behaviour of the New ZK60/AlN/SiC Particle Reinforced Compositescitations
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article
Investigation of microstructural evolution of gas-assisted metal injection molded and sintered Mg-0.5Ca alloy
Abstract
<jats:p>In this study, Mg-0.5Ca alloy was produced in a newly designed unit duringthe metal injection molding process. 40?mD90 Mg powder and 500nmD90 Capowder were used in accordance with injection molding and powder sinteringrules. In the injection phase, Polyethylene-glycol (PEG) andPoly-methyl-methacrylate (PMMA) and stearic acid (SA) polymers act asbinders and lubricants. In the experimental phase, X-ray Diffractometer(XRD), Thermal Gravimetric Analyze (TGA), Scanning Electron Microscope (SEM)equipped with Energy Dispersive Spectroscopy Mapping (EDS and MAP), andVickers microhardness (HV) examinations were performed. The samples producedwere subjected to the sintering process at different temperatures and times.Conventional powder sinter stages point, neck, and joining structures wereobtained at different temperatures and durations. As a result, it wasdetermined that Mg-0.5Ca alloy reached a metallic form with the specifiedpolymer structure only at 600oC temperature and after 5 h sintering. Grainboundaries were formed in the sintered sample and the presence of the Mg2Caphase was observed. The hardness of the metallic structure obtained wasmeasured as 49.9 HV0.1 on average.</jats:p>