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Journal of Applied Sciences
  Year: 2013 | Volume: 13 | Issue: 2 | Page No.: 321-325
DOI: 10.3923/jas.2013.321.325
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Optimization of Insulation Padding for Directional Solidification

William Pao, Xiaohui Chen and Lin Chao

The capability to predict hot spot in solidifying castings is the utmost important issues during parts design. The present study investigated a simple method to predict temperature profile and possible hot spot in solidifying castings based on medial axis interpolation. One of the major features of medial objects is that it is a reduced topology of three-dimensional geometry. Hence, a geometrically complex three-dimensional object can be represented by a combination of medial objects, e.g., 2-3D surfaces and lines. This allows the large amount of geometrical information to be stored with minimal space requirement and the three dimensional object can be manipulated in a two-dimensional space. In this study, we exploit this particular property of medial objects and its possible application to casting. This study proposes a medial axis-based geometric technique that could be used to optimize the insulation padding around the cast-mould interface. Numerical simulation showed that the current geometric method was successful in relocating the hotspot in casting the feeder.
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How to cite this article:

William Pao, Xiaohui Chen and Lin Chao, 2013. Optimization of Insulation Padding for Directional Solidification. Journal of Applied Sciences, 13: 321-325.

DOI: 10.3923/jas.2013.321.325






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