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Penetration behavior of molten metal into porous oxides
2004 (Japanese)In: Tetsu to hagane, ISSN 0021-1575, Vol. 90, no 6, 429-438 p.Article in journal (Refereed) Published
Abstract [ja]

This paper reviews recent developments on experimental methods and results of molten metal penetration into porous media and its theoretical achievements. Several selected topics are focused on, including experimental procedure, threshold pressure, penetration behavior, time dependence of penetration height, etc. studied by authors. And several interesting results of some researcher, including spontaneous penetration, influence of atmosphere or surface treatment on the penetration behavior are also highlighted. On the experimental method, authors have recently developed a new observation method of penetration of molten metal into porous refractory. The penetration behavior was observed by using X-ray radiographic apparatus. On the theoretical achievements, the data for penetration height were analyzed based on a capillary model in which a labyrinth (or tortuosity) factor was introduced, that is, a modified capillary model. The penetration behavior of molten metal was predictable based on penetration behavior of mercury. And some countermeasures to suppress or accelerate the penetration of molten metal into porous media was suggested.

Place, publisher, year, edition, pages
2004. Vol. 90, no 6, 429-438 p.
Keyword [ja]
penetration, infiltration, molten metal, porous oxide refractory, capillary model, labyrinth factor, steel refining, metal matrix composite, pressure infiltration, liquid aluminum, matrix composites, capillary tubes, filter paper, pure silver, wettability, bodies, alloys, al2o3
URN: urn:nbn:se:kth:diva-23479ISI: 000221872200023OAI: diva2:342177
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Matsushita, Taishi
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