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Grain refining potency of Nb-B inoculation on Al-12Si-0.6Fe-0.5Mn alloy

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dc.creator Bolzoni, L
dc.creator Nowak, M
dc.creator Hari Babu, N
dc.date 2014-12-19T13:11:00Z
dc.date 2015-02-04T15:30:59Z
dc.date 2015-02-25
dc.date 2015-02-04T15:30:59Z
dc.date 2015
dc.date.accessioned 2022-05-25T14:53:52Z
dc.date.available 2022-05-25T14:53:52Z
dc.identifier Journal of Alloys and Compounds, 623 pp. 79 - 82, 2015
dc.identifier 0925-8388
dc.identifier http://www.sciencedirect.com/science/article/pii/S092583881402489X
dc.identifier http://bura.brunel.ac.uk/handle/2438/10107
dc.identifier http://dx.doi.org/10.1016/j.jallcom.2014.10.069
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/172711
dc.description This article has been made available through the Brunel Open Access Publishing Fund.
dc.description In a recent work we reported that the combined addition of Nb and B has higher grain refinement effectiveness than the addition of these individual chemical elements. In this work a commercial Al-12Si-0.6Fe-0.5Mn alloy is employed to fully characterise the refining potency of Nb-B inoculation. It is found that the addition of Nb powder and KBF4 flux to Al-Si melt introduces potent nuclei with low lattice mismatch with the primary α-Al dendrites (i.e. low undercooling) and, thus, promote noteworthy grain refinement through heterogeneous nucleation. Nb-B inoculation induces a significant increment of the volumetric number of grains, decreases the undercooling needed for solidification and makes the grain size of the Nb-B inoculated material less sensitive to the cooling rate employed to solidify the material.
dc.format 79 - 82
dc.language eng
dc.language en
dc.publisher Elsevier Ltd
dc.relation Journal of Alloys and Compounds
dc.relation Journal of Alloys and Compounds
dc.relation Journal of Alloys and Compounds
dc.subject Heterogeneous nucleation
dc.subject Metals and alloys
dc.subject Microstructure
dc.subject Nb-B inoculation
dc.subject Thermal analysis
dc.title Grain refining potency of Nb-B inoculation on Al-12Si-0.6Fe-0.5Mn alloy
dc.type Article


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