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dc.contributor.authorUludağ, M.
dc.contributor.authorÇetin, R.
dc.contributor.authorDispinar, D.
dc.identifier.issn10735623 (ISSN)
dc.description.abstractIn this study, three different aluminum-silicon alloys (A356, A413, and A380) that have different solidification morphology and solidification ranges were examined with an aim to evaluate the hot tearing susceptibility. T-shape mold and Constrained Rod Casting (CRC) mold were used for the characterization. Reduced Pressure Test (RPT) was used to quantify the casting quality by measuring bifilm index. It was found that bifilm index and solidification range have an important role on the hot tearing formation. As it is known, bifilms can cause porosity and in this case, it was shown that porosity formed by bifilms decreased hot tearing tendency. As the freezing range of alloy increases, bifilms find the time to unravel that reduces hot tearing. However, for eutectic alloy (A413), due to zero freezing range, regardless of bifilm content, hot tearing was never observed. A380.1 alloy had the highest tendency for hot tearing due to having the highest freezing range among the alloys investigated in this work. © 2018, The Minerals, Metals & Materials Society and ASM International.
dc.publisherSpringer Boston
dc.sourceMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
dc.titleFreezing Range, Melt Quality, and Hot Tearing in Al-Si Alloys

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