{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T07:16:39Z","timestamp":1773818199587,"version":"3.50.1"},"reference-count":36,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,1,28]],"date-time":"2023-01-28T00:00:00Z","timestamp":1674864000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Regional Development Fund (ERDF)","award":["PTDC\/EMEEME\/30967\/2017"],"award-info":[{"award-number":["PTDC\/EMEEME\/30967\/2017"]}]},{"name":"European Regional Development Fund (ERDF)","award":["NORTE-0145-FEDER-030967"],"award-info":[{"award-number":["NORTE-0145-FEDER-030967"]}]},{"name":"European Regional Development Fund (ERDF)","award":["UIDB\/04436\/2020"],"award-info":[{"award-number":["UIDB\/04436\/2020"]}]},{"name":"European Regional Development Fund (ERDF)","award":["PD\/BD\/140094\/2018"],"award-info":[{"award-number":["PD\/BD\/140094\/2018"]}]},{"name":"European Regional Development Fund (ERDF)","award":["2020.08564.BD"],"award-info":[{"award-number":["2020.08564.BD"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia\u2013FCT IPP national funds","award":["PTDC\/EMEEME\/30967\/2017"],"award-info":[{"award-number":["PTDC\/EMEEME\/30967\/2017"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia\u2013FCT IPP national funds","award":["NORTE-0145-FEDER-030967"],"award-info":[{"award-number":["NORTE-0145-FEDER-030967"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia\u2013FCT IPP national funds","award":["UIDB\/04436\/2020"],"award-info":[{"award-number":["UIDB\/04436\/2020"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia\u2013FCT IPP national funds","award":["PD\/BD\/140094\/2018"],"award-info":[{"award-number":["PD\/BD\/140094\/2018"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia\u2013FCT IPP national funds","award":["2020.08564.BD"],"award-info":[{"award-number":["2020.08564.BD"]}]},{"name":"Portuguese FCT","award":["PTDC\/EMEEME\/30967\/2017"],"award-info":[{"award-number":["PTDC\/EMEEME\/30967\/2017"]}]},{"name":"Portuguese FCT","award":["NORTE-0145-FEDER-030967"],"award-info":[{"award-number":["NORTE-0145-FEDER-030967"]}]},{"name":"Portuguese FCT","award":["UIDB\/04436\/2020"],"award-info":[{"award-number":["UIDB\/04436\/2020"]}]},{"name":"Portuguese FCT","award":["PD\/BD\/140094\/2018"],"award-info":[{"award-number":["PD\/BD\/140094\/2018"]}]},{"name":"Portuguese FCT","award":["2020.08564.BD"],"award-info":[{"award-number":["2020.08564.BD"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Metals"],"abstract":"<jats:p>In this work, the effect of ultrasonic vibration during solidification on the aging kinetics of an AlSi7Mg alloy is investigated. With the ultrasonic equipment coupled to the mold walls, melt treatment was performed by two approaches: (i) fully above liquidus (&gt;635 \u00b0C); and (ii) in the full range between liquidus and solidus (630 \u00b0C\u2192 550 \u00b0C). Cast samples were then subjected to T6 heat treatment for different aging times. It is shown that indirect ultrasound treatment increases the cooling rate while active. The eutectic Si was refined and further modified when ultrasound treatment was performed in the semisolid state. Due to the significant release of solute during the decomposition of \u03c0-Al8FeMg3Si6 into fine \u03b2-Al5FeSi, this has a significant impact in the solution stage. Ultrasound treatment fully above liquidus decreased the underaging time to 50% and peak aging time to 25% without compromising strength. The results suggest aging kinetics are correlated with a higher vacancy density and solute enrichment which favors Guinier\u2013Preston (GP) zone formation. These findings show a promising route to tailor the aging kinetics in these alloys by selectively modifying phases and cooling rates.<\/jats:p>","DOI":"10.3390\/met13020255","type":"journal-article","created":{"date-parts":[[2023,1,30]],"date-time":"2023-01-30T04:58:25Z","timestamp":1675054705000},"page":"255","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Impact of the Ultrasonic-Assisted Casting of an AlSi7Mg Alloy on T6 Heat Treatment"],"prefix":"10.3390","volume":"13","author":[{"given":"In\u00eas V.","family":"Gomes","sequence":"first","affiliation":[{"name":"CMEMS\u2014UMinho, University of Minho, 4800-058 Guimar\u00e3es, Portugal"},{"name":"LABBELS\u2014Associate Laboratory, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7799-4088","authenticated-orcid":false,"given":"Jos\u00e9","family":"Grilo","sequence":"additional","affiliation":[{"name":"CMEMS\u2014UMinho, University of Minho, 4800-058 Guimar\u00e3es, Portugal"},{"name":"LABBELS\u2014Associate Laboratory, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Vitor H.","family":"Carneiro","sequence":"additional","affiliation":[{"name":"MetRics\u2014UMinho, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1121-6793","authenticated-orcid":false,"given":"H\u00e9lder","family":"Puga","sequence":"additional","affiliation":[{"name":"CMEMS\u2014UMinho, University of Minho, 4800-058 Guimar\u00e3es, Portugal"},{"name":"LABBELS\u2014Associate Laboratory, 4800-058 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,1,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Haga, T., Imamura, S., and Fuse, H. 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