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Inverse thermal ana...
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Diószegi, AttilaJönköping University,JTH. Forskningsområde Material och tillverkning - gjutning,JTH, Maskinteknik
(författare)
Inverse thermal analysis method to study solidification in cast iron
- Artikel/kapitelEngelska2004
Förlag, utgivningsår, omfång ...
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2013-07-18
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Maney Publishing,2004
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LIBRIS-ID:oai:DiVA.org:liu-87053
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-87053URI
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https://doi.org/10.1179/136404604225020687DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-10758URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Solidification modelling of cast metals is widely used to predict final properties in cast components. Accurate models necessitate good knowledge of the solidification behaviour. The present study includes a re-examination of the Fourier thermal analysis method. This involves an inverse numerical solution of a one-dimensional heat transfer problem connected to solidification of cast alloys. In the analysis, the relation between the thermal state and the fraction solid of the metal is evaluated by a numerical method. This method contains an iteration algorithm controlled by an under relaxation term to achieve a stable convergence. The heat transfer problem is reduced to one-dimension to promote the practical application of the method. Thermo-physical properties such as the volumetric heat capacity tabulated in the calculation are introduced as a function of solidifying phases. Experimental equipment was developed in order to investigate the thermal behaviour of the solidifying metal. Three cylindrically shaped cast samples surrounded by different cooling materials were introduced in the same mould allowing a common metallurgical background for samples solidifying at different cooling rates. The proposed inverse thermal analysis was tested on both experimental and simulated data.
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Hattel, JesperJönköping University,JTH. Forskningsområde Material och tillverkning - gjutning
(författare)
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Jönköping UniversityJTH. Forskningsområde Material och tillverkning - gjutning
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International Journal of Cast Metals Research: Maney Publishing17:5, s. 311-3181364-04611743-1336
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