Session Details

Session 11: Corrosion & Wear Deposit Coatings

Abstract Number:

19

The audience in this session will leave with an understanding of ‎how new developments in ‎High-P Electroless Nickel technology ‎have increased the performance of the deposit and in ‎doing so ‎created new markets and opportunities for the coating. ‎Validation performance data ‎across the key characteristics will be ‎presented as well as some case study applications where ‎the new ‎properties could prove the most useful.‎

Topics:

Advances in Surface Finishing Technology
Corrosion or Wear ‎Deposits/Coatings

Electroless deposition of the nickel phosphorus alloy coatings (electroless Ni-P) has been ‎widely used in many industrial applications for the unique properties such as corrosion ‎resistance, wear resistance, non-magnetism, improved micro-hardness and coating thickness ‎uniformity. Because of its amorphous nature and passivity, the corrosion resistance of the ‎coatings, especially of the high–P EN >10.5% P, are excellent and in many environments are ‎superior of that of pure nickel or chromium alloys. Toxic heavy metals have been historically ‎used as stabilizers and brighteners in electroless nickel processes but in the last years the ‎worldwide regulations became very restrictive regarding their use.‎

The newest generation of high–P EN processes use unique stabilizers with improved coating ‎properties; specifically corrosion resistance. Process and coating properties like deposition ‎rate, P–content, internal stress, tribological properties as well as their corrosion resistance ‎are highlighted.‎

A NEW LEVEL OF CORROSION RESISTANT HIGH-P ELECTROLESS ‎NICKEL

Collin Peters

North America Business Manager – General Metal Finishing

Atotech