2013
DOI: 10.1016/j.ceramint.2012.09.055
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Alumina coatings on carbon bonded alumina nozzles for active filtration of steel melts

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Cited by 54 publications
(28 citation statements)
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“…[24] The treatment consisted of heating up above the liquidus temperature and holding for certain time at this temperature followed by controlled slow cooling (20 K min À1 during solidification and hereafter 2 K min…”
Section: Methodsmentioning
confidence: 99%
“…[24] The treatment consisted of heating up above the liquidus temperature and holding for certain time at this temperature followed by controlled slow cooling (20 K min À1 during solidification and hereafter 2 K min…”
Section: Methodsmentioning
confidence: 99%
“…The CFF is immersed in the melt inside the induction crucible furnace (ICF) of this steel casting simulator in order to estimate the filtration efficiency. [3][4][5] An ICF is widely used in steelmaking industry to heat up the metal and to enhance the mixing of the melt. The flow inside the ICF is generated in the following way.…”
Section: Introductionmentioning
confidence: 99%
“…[9,19] The end-geometry of the alumina-carbon test nozzles as well as the production of the exogenous inclusion reservoir is presented in Aneziris et al The slurry preparation for slipcasting in gypsum molds and coating takes place in a ball mill [19] To investigate the interactions between the carbon-bonded alumina substrate and the mullite coating a heating microscope, described in Aneziris et al, was used to provide a oxygen free Argon atmosphere and the possibility to observe interactions in situ during heat-up and holding time without any steel melt contact. [20] The test nozzles before and after steel melt contact as well as the adapter with the inclusion containing reservoir after the steel contact were analyzed with the aid of a microfocus X-ray computed tomograph CT-ALPHA (ProCon X-Ray, Garbsen, Germany).…”
Section: Methodsmentioning
confidence: 99%
“…The comparison of slip casted alumina-carbon based nozzles with and without alumina coating in a steel casting simulator show that the alumina coating leads to increased clogging phenomena based on endogenous and exogenous (artificial added) inclusions based on alumina and spinel. [9] The effectiveness of a mullite active coating will be discussed in the present paper.…”
Section: Introductionmentioning
confidence: 99%