Induction heating for crystal growth
Induction heating is used in crystal growth processes, where temperature fields must be controlled precisely. Fluxtrol’s R&D and engineering groups conduct cooperative development of new processes with many world-leading companies in fields including crystal growth, cold crucible melting and the welding of carbon fiber composites.
What our published work says
Fluxtrol’s research on electromagnetic processing of materials reviews where soft magnetic composites (SMCs) can control magnetic fields. It identifies crystal growth as an application with good potential and lists two cases in its summary table: EFG crystal growth, at roughly 10-50 kHz, and monocrystal growth, at roughly 10-500 kHz. The same research notes that SMCs are easily machined, work well in 3D fields and suit middle to high frequencies, which are the characteristics that matter for custom crystal growth coils and flux concentrators.
How Fluxtrol can help
Crystal growth systems are specialized, and no single recipe fits them. Fluxtrol’s services apply to the engineering problem:
- Computer simulation of electromagnetic and thermal behavior
- Modeling and optimization of the induction system
- R&D for emerging technologies , including cooperative development with customers
- Custom magnetic flux controllers in Fluxtrol SMCs
What to bring to the first conversation
A short brief lets our engineers judge quickly whether Fluxtrol can add value. Useful items include:
- The growth method and the material being grown
- Operating frequency and power range of the existing or planned system
- The temperature profile or gradient you need to hold
- Space, cooling and atmosphere constraints around the coil
- What is limiting performance today, such as efficiency, uniformity or coil life
We will tell you plainly what we can model, design or prototype, and where the project falls outside our experience.
Next steps
We evaluate crystal growth projects individually. Contact Fluxtrol to discuss your requirements, or explore the SMC overview to see how flux control works.
Real-world results
Composite materials for magnetic field control in electromagnetic processing
A paper by Nemkov, Ruffini and Kolesnichenko reviews soft magnetic materials for electromagnetic processing of materials and includes crystal growth among the applications with potential for SMCs.
- Table lists EFG crystal growth at 10-50 kHz
- Table lists monocrystal growth at 10-500 kHz