1. 4032 aluminum alloy billet fabricated by continuous casting process with heat insulating and rapid cooling mold
- Author
-
Masayoshi Dohi, Susumu Ikeno, Watanabe Toru, Hidetoshi Takagi, Yasuhiro Uetani, and Tomokazu Yamashita
- Subjects
Materials science ,Mechanical Engineering ,Alloy ,Metallurgy ,Metals and Alloys ,chemistry.chemical_element ,engineering.material ,Microstructure ,medicine.disease_cause ,Casting ,Forging ,Continuous casting ,chemistry ,Mechanics of Materials ,Aluminium ,Mold ,Materials Chemistry ,engineering ,medicine ,Eutectic system - Abstract
In order to improve on the quality of Al–Si alloy billets, which are used as the feed stock for precision forging, a new vertical semi-continuous casting process has been adopted using a heat insulating and rapid cooling mold (HI-RCM) casting process. In our study, 4032 aluminum alloy billets with smooth surfaces have been obtained by controlling casting rates of HI-RCM process. Distributions of primary silicon, eutectic structure and secondary dendrite arm spacing (DAS) in the conventional DC casting billets were compared with the smooth surface billets fabricated by HI-RCM casting process under optimum conditions, and the latter one had finer and more homogeneous microstructures than those in the former billets.
- Published
- 2008
- Full Text
- View/download PDF