Effects of gating design on the mechanical strength of thin section castings
Date
2009-06-20Author
Mohd Rizuan, Mohammed Shafiee
Mohd Yussni, Hashim
Mohd Nusyakirin, Said
Metadata
Show full item recordAbstract
Gating system design in casting process is one
of the crucial factors to produce good quality of casting
product. This study is aimed to determine the effects of
runner gating design on mechanical strength of thin section
Al-Si7-Mg alloy castings which are cast using sand casting
process. The runner design used in this study is Radius bend
shaped and L shape design. Flow behavior of filling process
is identified by using the ADSTEFAN simulation software.
3-point bending test was applied to measure the flexure
strength and its scatter is quantified by Weibull statistics.
Simulation results found to be in good agreement with the
experimental results. It is observed that radius bend shaped
design leads to the improvement of average flexure strength
and reduction of porosity defects compared with L shape
design.
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