Freezing Range, Melt Quality, and Hot Tearing in Al-Si Alloys

  • Yazar/lar ULUDAĞ, Muhammet
    ÇETİN, Remzi
    DIŞPINAR, Derya
  • Yayın Türü Makale
  • Yayın Tarihi 2018
  • DOI Numarası 10.1007/s11661-018-4512-8
  • Yayıncı Springer Boston
  • Tek Biçim Adres http://hdl.handle.net/20.500.12498/2881

In 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.

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Eser Adı
(dc.title)
Freezing Range, Melt Quality, and Hot Tearing in Al-Si Alloys
Yayın Türü
(dc.type)
Makale
Yazar/lar
(dc.contributor.author)
ULUDAĞ, Muhammet
Yazar/lar
(dc.contributor.author)
ÇETİN, Remzi
Yazar/lar
(dc.contributor.author)
DIŞPINAR, Derya
DOI Numarası
(dc.identifier.doi)
10.1007/s11661-018-4512-8
Atıf Dizini
(dc.source.database)
Scopus
Yayıncı
(dc.publisher)
Springer Boston
Yayın Tarihi
(dc.date.issued)
2018
Kayıt Giriş Tarihi
(dc.date.accessioned)
2020-08-07T12:53:11Z
Açık Erişim tarihi
(dc.date.available)
2020-08-07T12:53:11Z
Kaynak
(dc.source)
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
ISSN
(dc.identifier.issn)
10735623 (ISSN)
Özet
(dc.description.abstract)
In 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.
Yayın Dili
(dc.language.iso)
en
Tek Biçim Adres
(dc.identifier.uri)
http://hdl.handle.net/20.500.12498/2881
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