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Vacuum Carburizing with Acetylene (AvaC®) is a case hardening process exclusive to Ipsen that provides increased carbon transfer, reduced process time, and improved part quality.

The AvaC® process is a technology exclusive to Ipsen that uses acetylene to virtually eliminate the soot and tar formation problem known to occur from propane, while greatly increasing carburizing power even for blind or through holes.
Unit of Measure

Specifications

Brands

 N/A Ipsen

Furnace Atmosphere

 N/A Vacuum

Heating Source for Two Chamber Furnace

 N/A Gas Oil

Intended Application

 N/A Carburizing

Furnace Configurations

Chamber Design Size

 N/A 24 x 24 x 36 in36 x 36 x 48 in610 x 610 x 914 mm914 x 914 x 1219 mm

Advantages Over Atmosphere Furnaces

Advantages Over Atmosphere Furnaces

 N/A
  • Better work environment with cold-wall design, which provides lower shell temperature
  • No costly exhaust hoods or stacks required
  • Faster start-ups and shutdowns
  • 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

Benefits

Benefits

 N/A
  • Continuous high-throughput capability
  • Guaranteed process repeatability
  • Optimum acetylene gas deployment
  • Open, maintenance-friendly modular system
  • Increased Carbon transfer
  • Reduced process time
  • Improved microstructure, increased stress resistance, and superior surface quality of parts
  • Economical extendibility for capacity increase
  • Various quenching capability with helium, nitrogen, mixed gases, or oil

Features

Features

 N/A Dual Chamber Single Chamber

Additional Information

Additional Information

 N/A One of the most important advantages of the AvaC® 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, such as nitrogen, for diffusion. During boost injection, acetylene will only dissociate in contact with all-metal surfaces allowing for uniform carburizing.

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.