期刊
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷 22, 期 9, 页码 2092-2097出版社
ELSEVIER
DOI: 10.1016/S1003-6326(11)61433-7
关键词
aluminum alloy; lost foam casting; coating thickness; slurry viscosity; dipping time; porosity
资金
- Ministry of Science and Technology of Malaysia [79352]
An experimental study on lost foam casting of an Al-Si-Cu alloy was conducted. The main objective was to study the effect of pattern coating thickness on casting imperfection and porosity percentage as well as eutectic silicon spacing of the alloy. The results showed that increasing slurry viscosity and flask dipping time influenced the casting integrity and microstructural characteristics. It was found that thinner pattern coating produced improved mould filling, refined microstructure and higher quality castings containing less porosity.
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