MelonitePVD CoatingsEngineered BushingsTribology Testing

HEF Group

The HEF Group, based in France, has been a global leader in the science of tribology (wear & friction) for more than 50 years. Established as a research and development company, HEF subsequently applied its knowledge and experience to develop surface engineering solutions for improving the performance of industrial and automotive components.

Today, HEF is active in more than 40 countries throughout Europe, Asia, and the Americas, engaged in providing Controlled Liquid Ionic Nitriding services & chemicals; PVD-based coating services; tribology testing services; and supplying engineered bushings for demanding industrial applications.

 

HEF Global Network

 

HEF is focused on Surface Engineering with
3 COMPETENCIES and 3 BUSINESS MODELS

3 Competencies 3 Business Models
TRIBOLOGY JOBBING
Tribology
  • Wear analysis and friction testing
  • Failure mode analysis for mechanical components
  • Thermochemical treatment
  • PVD/PECVD
  • SULF BT®, DOT®, TEGLISS®, etc.
Jobbing
THERMOCHEMISTRY & DIFFUSION LAYERS TECHNOLOGY TRANSFER
 
Thermochemistry and Diffusion Layers
  • Thermal treatment in
     molten salt
  • Thermochemical treatment in molten salt: liquid nitriding
  • Licensing
  • Engineering support
  • Equipment
  • Consumables
Technology Transfer
THIN FILM PVD COATINGS FRICTION COMPONENTS
Thin Film PVD Coatings
  • PVD & PECVD wear – resistant, hard coatings
  • PVD coatings for electro-magnetic shielding, IR filtering, etc.
  • Bushings & sleeve bearings
  • Washers
  • Spherical bearings
  • Shafts
  • Slides

Friction Components