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Validation of a Front-Tracking Model of the Columnar to Equiaxed Transition using Solidification Results from the Maxus 7 Microgravity Platform
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|---|---|---|---|---|
| Manuscript_McFaddenEtAl_J-JapanSocMicrogravity_2008.pdf | 206.57 kB | Adobe PDF | Download |
| Title: | Validation of a Front-Tracking Model of the Columnar to Equiaxed Transition using Solidification Results from the Maxus 7 Microgravity Platform | Authors: | McFadden, Shaun; Sturz, Laszlo; Jung, Hyejin; Browne, David J.; et al. | Permanent link: | http://hdl.handle.net/10197/11977 | Date: | Mar-2008 | Online since: | 2021-02-24T16:44:26Z | Abstract: | To study the columnar-to-equiaxed transition (CET) in alloy castings, three aluminum-silicon samples were solidified onboard the MAXUS 7 sounding rocket. Temperature measurements were made during the flight and the samples were retrieved and analyzed for their solidified macrostructure. Two of the samples produced a CET while the third sample produced a mixed structure with grains nucleating on the crucible walls. A novel front tracking model of solidification and a model of the MACE test apparatus are presented. Validation of the solidification code is carried out. Cooling curves from the experiments are predicted. A simulation of the solidified macrostructure is also given for each experiment. The CET positions are predicted in agreement with the experimental results. | Type of material: | Journal Article | Publisher: | The Japan Society of Microgravity Application | Journal: | Journal of the Japan Society of Microgravity Application | Volume: | 25 | Issue: | 3 | Start page: | 489 | End page: | 494 | Copyright (published version): | 2020 The Japan Society of Microgravity Applicaiton | Keywords: | Metallic alloys; Aluminium-silicon alloys; Microgravity conditions; Crystallographic macrostructure; MAXUS 7 sounding rockets | Other versions: | http://www.jasma.info/journal/archives/report/validation-of-a-front-tracking-model-of-the-columnar-to-equiaxed-transition-using-solidification-results-from-the-maxus-7-microgravity-platform | Language: | en | Status of Item: | Peer reviewed | ISSN: | 0915 3616 | This item is made available under a Creative Commons License: | https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ |
| Appears in Collections: | Mechanical & Materials Engineering Research Collection |
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