Secondary Processes
Barber-Nichols, Inc. (BNI) has been manufacturing and assembling specialty turbomachinery since 1975. In addition to milling, turning, and electrochemical machining expertise, BNI has extensive experience with secondary processes such as heat treatments, surface treatments, and welding/brazing. Some secondary processes are performed in-house by BNI personnel and others are performed by certified, highly qualified vendors with whom BNI has long standing relationships. Additionally, Barber-Nichols regularly works with client approved vendors when specified in a contract. Whether your project requires in-house or outside processing, be assured that Barber-Nichols can take care of all the details.
Heat Treatments
- Carburizing
- Nitriding
- Precipitation Hardening & Ageing
- Stress Relief
Surface Treatments 
- Chemical Conversion Coating (Anodize, Iridite, Alodine, etc.)
- Electropolishing
- Flame Spray
- Inlox® Dry Film Lubricant
- Liquid Oxygen (LOX) Cleaning
- Passivation
- Plasma Coating
- Plating (Nickel, Chrome, Silver, etc.)
Welding & Brazing
- Electron Beam (EB) Welding
- Friction Welding
- Furnace Brazing
- Inertia Welding
- Laser Welding
- Structural Welding
- Tungsten Inert Gas (TIG) Welding
Comprehensive training and experience had taught BNI and its vendors how to effectively work with unique materials, processes, and applications. Custom turbomachinery often operates in extremely high stress environments where quality is paramount. Therefore, equipment manufactured to the highest quality standards is what you'll get from Barber-Nichols.