| About this Abstract |
| Meeting |
Liquid Metal Processing & Casting Conference (LMPC 2022)
|
| Symposium
|
Liquid Metal Processing & Casting Conference (LMPC 2022)
|
| Presentation Title |
Characterization of Vacuum Arc Remelting with a High-density Magnetic Sensor Array |
| Author(s) |
Matthew Cibula, Daniel McCulley, Nathan Pettinger, Joshua Motley, Paul E. King |
| On-Site Speaker (Planned) |
Matthew Cibula |
| Abstract Scope |
Magnetic measurements coupled with traditional VAR process measurements has enabled the characterization of the spatial distribution of electrical current through the furnace; a process variable that today’s VAR furnaces do not measure. This work presents data acquired by VARmetric, a high density magnetic sensor array, on an industrial VAR furnace processing Fe- and Ni- based alloys. VARmetric is used to identify events which would go undetected through traditional process signal analysis, and importantly, can be used to distinguish between distinct arc modes, e.g. diffuse arcs, constricted arcs, and glows. This information facilitates a new method to assess the quality of an ingot in terms of the probability of segregation defects along the ingot axis. |
| Proceedings Inclusion? |
Definite: At-meeting proceedings |