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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

Abstract:
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

URL: https://scialert.net/abstract/?doi=jas.2013.321.325

 
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