@article{MTMT:33202136, title = {Grain Refiner Settling and Its Effect on the Melt Quality of Aluminum Casting Alloys}, url = {https://m2.mtmt.hu/api/publication/33202136}, author = {Gyarmati, Gábor and Bogoly, Levente and Stawarz, Marcin and Fegyverneki, György and Kéri, Zoltán and Tokár, Mónika and Mende, Tamás}, doi = {10.3390/ma15217679}, journal-iso = {MATERIALS}, journal = {MATERIALS}, volume = {15}, unique-id = {33202136}, abstract = {Grain refiner particles, which are intended to induce the formation of fine equiaxed grain structure during the solidification of aluminum alloys, are prone to settling during the holding of the liquid metal, which phenomenon can affect not only the grain size but the spatial distribution of the double oxide films in the melt. In this study, the settling of Al3Ti inoculant particles, as well as its effects on melt quality and grain refinement, were studied. During the experiments, the Ti-concentration of a liquid Al-Si-Mg-Cu alloy was increased to 0.3 wt.% by the addition of Al-10%Ti master alloy at different melt temperatures. Particle settling and grain size evolution were studied by quantitative metallography, while the interactions of grain refiners and bifilms were investigated by scanning electron microscopy (SEM). The evolution of melt quality was assessed by the computed tomographic (CT) analysis of reduced pressure test (RPT) samples. It was found that effective grain refinement was only realized when the introduced blocky Al3Ti particles were dissolved and re-precipitated in the form of (Al,Si)3Ti at a lower temperature. Without dissolving at higher holding temperatures, Al3Ti particle settling has taken place within 10 min. The settling of (Al,Si)3Ti particles improved melt quality by the aided sedimentation of bifilms in the melt.}, year = {2022}, eissn = {1996-1944}, orcid-numbers = {Gyarmati, Gábor/0000-0001-7568-6922; Stawarz, Marcin/0000-0001-7729-6768} } @misc{MTMT:33119019, title = {Grain Refiner Settling and Its Effect on the Melt Quality of Aluminum Casting Alloys. 62th International Scientific Conference Solidification and Crystallization of Metals 2022. 28-30 September 2022. Gliwice, Poland (online)}, url = {https://m2.mtmt.hu/api/publication/33119019}, author = {Gyarmati, Gábor and Bogoly, Levente and Marcin, Stawarz and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, unique-id = {33119019}, year = {2022} } @article{MTMT:33048057, title = {Interactions of primary intermetallic compound particles and double oxide films in liquid aluminum alloys}, url = {https://m2.mtmt.hu/api/publication/33048057}, author = {Gyarmati, Gábor and Bubonyi, Tamás and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, doi = {10.1016/j.intermet.2022.107681}, journal-iso = {INTERMETALLICS}, journal = {INTERMETALLICS}, volume = {149}, unique-id = {33048057}, issn = {0966-9795}, year = {2022}, eissn = {1879-0216} } @article{MTMT:32234260, title = {Controlled precipitation of intermetallic (Al,Si)3Ti compound particles on double oxide films in liquid aluminum alloys}, url = {https://m2.mtmt.hu/api/publication/32234260}, author = {Gyarmati, Gábor and Fegyverneki, György and Kéri, Zoltán and Molnár, Dániel and Tokár, Mónika and Varga, László and Mende, Tamás}, doi = {10.1016/j.matchar.2021.111467}, journal-iso = {MATER CHARACT}, journal = {MATERIALS CHARACTERIZATION}, volume = {181}, unique-id = {32234260}, issn = {1044-5803}, year = {2021}, eissn = {1873-4189}, orcid-numbers = {Gyarmati, Gábor/0000-0001-7568-6922} } @article{MTMT:31189467, title = {The Effects of Rotary Degassing Treatments on the Melt Quality of an Al–Si Casting Alloy}, url = {https://m2.mtmt.hu/api/publication/31189467}, author = {Gyarmati, Gábor and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, doi = {10.1007/s40962-020-00428-z}, journal-iso = {INT J METALCAST}, journal = {INTERNATIONAL JOURNAL OF METALCASTING}, volume = {15}, unique-id = {31189467}, issn = {1939-5981}, year = {2021}, eissn = {2163-3193}, pages = {141-151} } @article{MTMT:31734134, title = {The Effect of Primary Phase Grain Refinement of Al-Si alloys on heat cracking}, url = {https://m2.mtmt.hu/api/publication/31734134}, author = {Bubenkó, Marianna and Molnár, Dániel and Tokár, Mónika and Fegyverneki, György}, doi = {10.1088/1757-899X/903/1/012006}, journal-iso = {IOP CONF SER MATER SCI ENG}, journal = {IOP CONFERENCE SERIES: MATERIALS SCIENCE AND ENGINEERING}, volume = {903}, unique-id = {31734134}, issn = {1757-8981}, year = {2020}, eissn = {1757-899X} } @article{MTMT:31597644, title = {Alumíniumolvadékok kettős oxidhártya-tartalmának minősítése komputertomográfia segítségével}, url = {https://m2.mtmt.hu/api/publication/31597644}, author = {Gyarmati, Gábor and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, journal-iso = {BKL KOHÁSZAT}, journal = {BÁNYÁSZATI ÉS KOHÁSZATI LAPOK-KOHÁSZAT}, volume = {153}, unique-id = {31597644}, issn = {0005-5670}, year = {2020}, pages = {30-34} } @article{MTMT:31455526, title = {Effect of the sampling method on the results of melt quality assessment of aluminum alloys with computed tomography}, url = {https://m2.mtmt.hu/api/publication/31455526}, author = {Gyarmati, Gábor and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, doi = {10.1088/1757-899X/903/1/012003}, journal-iso = {IOP CONF SER MATER SCI ENG}, journal = {IOP CONFERENCE SERIES: MATERIALS SCIENCE AND ENGINEERING}, volume = {903}, unique-id = {31455526}, issn = {1757-8981}, year = {2020}, eissn = {1757-899X} } @article{MTMT:31380614, title = {Examination of the Eutectic Modifying Effect of Sr on an Al-Si-Mg-Cu Alloy Using Various Technological Parameters}, url = {https://m2.mtmt.hu/api/publication/31380614}, author = {Fanni, Vincze and Tokár, Mónika and Fegyverneki, György and Gyarmati, Gábor}, doi = {10.24425/afe.2020.133334}, journal-iso = {ARCHIV FOUNDRY ENGIN}, journal = {ARCHIVES OF FOUNDRY ENGINEERING}, volume = {20}, unique-id = {31380614}, issn = {1897-3310}, year = {2020}, eissn = {2299-2944}, pages = {79-84} } @article{MTMT:31282312, title = {Investigation on Double Oxide Film Initiated Pore Formation in Aluminum Casting Alloys}, url = {https://m2.mtmt.hu/api/publication/31282312}, author = {Gyarmati, Gábor and Fegyverneki, György and Tokár, Mónika and Mende, Tamás}, journal-iso = {IJEMS MMTK}, journal = {INTERNATIONAL JOURNAL OF ENGINEERING AND MANAGEMENT SCIENCES / MŰSZAKI ÉS MENEDZSMENT TUDOMÁNYI KÖZLEMÉNYEK}, volume = {5}, unique-id = {31282312}, issn = {2498-700X}, year = {2020}, pages = {141-153} }