The AvaC™ Process: Vacuum Carburizing With Acetylene
Ipsen's AvaC™ is a proven process for vacuum carburizing with acetylene. One of the most important advantages of this process is high carbon availability, ensuring extremely homogenous carburizing even for complex geometries and very high load densities. The AvaC™ process involves alternate injection of acetylene (boost) and a neutral gas like Nitrogen for diffusion. During boost injection acetylene will only dissociate in contact with metallic surfaces thus allowing for uniform carburizing. At the same time it almost totally eliminates the soot and tar formation problem known to occur from propane.The most remarkable benefit to AvaC™ can be found when the different hydrocarbon gases for low-pressure carburizing are evaluated for their penetration power into small diameter, long, blind holes. Vacuum carburizing with acetylene results in a complete carburizing effect along the whole length of the bore, because acetylene has a totally different carburizing capability than that of propane or ethylene.
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AvaC™ Process Advantage Over Atmosphere Furnaces
The AvaC™ process provides the following features and benefits over conventional atmospheric furnaces:
- Better work environment with cold-wall design which provides lower shell temperature.
- No costly exhaust hoods or stacks required.
- Faster start-ups and shutdowns with no furnace idling over the weekends.
- No endothermic gas generators required.
- Gas quench furnaces require less floor space and no post washing to remove quench oils.
- No pits or special foundation requirements needed.
The AvaC™ furnace can be provided in the following configurations and sizes.
Single Chamber Design
Single Chamber Work Space
24" W x 24" H x 36" L
36" W x 36" H x 48" L
Two Chamber Design: Oil and/or Gas
Two Chamber Work Space
18" W x 18" H x 24" L
24" W x 24" H x 36" L
36" W x 36" H x 48" L
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