| About this Abstract |
| Meeting |
Liquid Metal Processing & Casting Conference (LMPC 2022)
|
| Symposium
|
Liquid Metal Processing & Casting Conference (LMPC 2022)
|
| Presentation Title |
Enhanced Material Properties in Advanced Air Casting Applications by Means of Vacuum Cap (VCAP) Furnace Process
|
| Author(s) |
Eike Schmilinsky, Inaki Vicario, Martin Myška, Roman Ritzenhoff, Aaron Teske |
| On-Site Speaker (Planned) |
Aaron Teske |
| Abstract Scope |
Air melting processes can suffer from limited control of alloy cleanliness composition. Oxygen and nitrogen levels vary from heat to heat, and given deoxidation with aluminum can cause non-metallic inclusions, the current practice is to add additional virgin material. Similarly, low vapor pressure contaminants like Pb, Bi, Zn, etc. are reduced via dilution. Carbon reduction is also a metallurgical challenge in air melting. VCAP furnaces are a hybrid of air induction and vacuum refining capability. The VCAP charge is melted in air. Once molten, a vacuum cap is applied to produce a significant degassing effect providing reduced casting defects, removal of trace elements, and promoting decarburization. Our research and production units results show improved mechanical properties and better micro-cleanliness. We present the main features of the VCAP technology as a recommended technique to obtain enhanced material properties and a more reliable air casting process. |
| Proceedings Inclusion? |
Definite: At-meeting proceedings |