Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy
Abstract
Assessing heat released only related to the formation of primary crystals provides results with a significantly higher sensitivity than a traditional assessment of undercooling value. In this work, two similar Ti5B1 master alloys (commercial and refined) are used for grain refinement of Al7Si4Cu aluminum alloy to assess narrow differences in heat release during primary crystallization. The heat released related to primary crystallization is 2.50 +/- 0.03, 3.16 +/- 0.12, and 7.92 kJ kg(-1) for samples treated with the refined master alloys, commercial master alloys, and sample solidified without grain refinement, respectively. The acquired results showed that the suggested method is more efficient in comparison with traditional metallographic or undercooling methods for the assessment of grain refining efficiency with the potential to extend the suggested approach on a wide range of metallic structures where solidification occurs by eutectic-type primary crystallization characteristics.
Keywords:
Thermal analysis / Solidification / Latent heat / Heat release / Grain refinement / AluminumSource:
Transactions of the Indian Institute of Metals, 2021, 74, 8, 1917-1922Publisher:
- Springer India, New Delhi
Funding / projects:
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)
- The effect of nano- and microconstituents on the synthesis and characteristics of novel composite materials with metal matrix (RS-172005)
DOI: 10.1007/s12666-021-02279-6
ISSN: 0972-2815
WoS: 000655714100003
Scopus: 2-s2.0-85106720996
Collections
Institution/Community
Institut za ispitivanje materijalaTY - JOUR AU - Mitrašinović, Aleksandar M. AU - Momčilović, Dejan AU - Odanović, Zoran PY - 2021 UR - http://rims.institutims.rs/handle/123456789/412 AB - Assessing heat released only related to the formation of primary crystals provides results with a significantly higher sensitivity than a traditional assessment of undercooling value. In this work, two similar Ti5B1 master alloys (commercial and refined) are used for grain refinement of Al7Si4Cu aluminum alloy to assess narrow differences in heat release during primary crystallization. The heat released related to primary crystallization is 2.50 +/- 0.03, 3.16 +/- 0.12, and 7.92 kJ kg(-1) for samples treated with the refined master alloys, commercial master alloys, and sample solidified without grain refinement, respectively. The acquired results showed that the suggested method is more efficient in comparison with traditional metallographic or undercooling methods for the assessment of grain refining efficiency with the potential to extend the suggested approach on a wide range of metallic structures where solidification occurs by eutectic-type primary crystallization characteristics. PB - Springer India, New Delhi T2 - Transactions of the Indian Institute of Metals T1 - Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy EP - 1922 IS - 8 SP - 1917 VL - 74 DO - 10.1007/s12666-021-02279-6 ER -
@article{ author = "Mitrašinović, Aleksandar M. and Momčilović, Dejan and Odanović, Zoran", year = "2021", abstract = "Assessing heat released only related to the formation of primary crystals provides results with a significantly higher sensitivity than a traditional assessment of undercooling value. In this work, two similar Ti5B1 master alloys (commercial and refined) are used for grain refinement of Al7Si4Cu aluminum alloy to assess narrow differences in heat release during primary crystallization. The heat released related to primary crystallization is 2.50 +/- 0.03, 3.16 +/- 0.12, and 7.92 kJ kg(-1) for samples treated with the refined master alloys, commercial master alloys, and sample solidified without grain refinement, respectively. The acquired results showed that the suggested method is more efficient in comparison with traditional metallographic or undercooling methods for the assessment of grain refining efficiency with the potential to extend the suggested approach on a wide range of metallic structures where solidification occurs by eutectic-type primary crystallization characteristics.", publisher = "Springer India, New Delhi", journal = "Transactions of the Indian Institute of Metals", title = "Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy", pages = "1922-1917", number = "8", volume = "74", doi = "10.1007/s12666-021-02279-6" }
Mitrašinović, A. M., Momčilović, D.,& Odanović, Z.. (2021). Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy. in Transactions of the Indian Institute of Metals Springer India, New Delhi., 74(8), 1917-1922. https://doi.org/10.1007/s12666-021-02279-6
Mitrašinović AM, Momčilović D, Odanović Z. Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy. in Transactions of the Indian Institute of Metals. 2021;74(8):1917-1922. doi:10.1007/s12666-021-02279-6 .
Mitrašinović, Aleksandar M., Momčilović, Dejan, Odanović, Zoran, "Assessment of Grain Size and Grain Refinement Efficiency by Calculation of Released Heat Attributed to Formation of Primary Aluminum Crystals During Solidification of Al7Si4Cu Alloy" in Transactions of the Indian Institute of Metals, 74, no. 8 (2021):1917-1922, https://doi.org/10.1007/s12666-021-02279-6 . .