surfin
Electrodeposition of Nanocrystalline Cobalt-Phosphorus Coatings as a Hard Chromium Alternative for Use in DoD Acquisition Programs
Electrolytic hard chromium plating (EHC) is a critical surface finishing technology that is used for applying functional coatings for corrosion and wear resistance to aircraft components in manufacturing operations and for re-build of worn or corroded components. However, EHC plating baths contain hexavalent chromium, which is a known carcinogen and environmental hazard. Therefore, the replacement of EHC in aircraft manufacturing activities and maintenance depots is a high priority for the U.S. Department of Defense (DoD).
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A Conversation With ... Rick Dale, TV Host
Rick Dale is owner of Rick’s Restorations, a Las Vegas restoration shop that takes vintage appliances and machinery and restores them with new coatings for customers each week on the hit TV show American Restoration on the History Channel.
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The Leading Edge Guide to Top Quality Anodizing using the Complete Spectrum Approach with a Universal Type I – II – III – (123) Mixed Electrolyte
This paper discusses a new advanced problem solving anodize technology for processing Types I, II and III anodize (A123) in a universal mixed electrolyte.
Read MoreThere’s No Business Like ‘Show Business’
Before you know it, most of us will be heading off to shows and conferences hosted by the various trade associations that service the finishing industry. Things actually kick off April 10–12 when the Electrocoat Association gathers in Orlando, Fla., for ECOAT 2012 (electrocoat.org), produced in partnership with Products Finishing.
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Cobalt-Free Zinc and Zinc-Alloy Passivation
This article will detail an alternative to cobalt-containing trivalent chromium passivation. Field results from this unique passivate system have demonstrated comparable corrosion protection to existing cobalt-containing Cr(III)-based passivates. The new system is easy to handle and offers a broad operation range. The performance, appearance and passivation mechanism, as well as some limitations, will be discussed.
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Electroless Nickel Duplex Coatings Using RoHS-Compliant Systems
Duplex coatings can offer corrosion and wear resistance that exceed those of conventional electroless nickel (EN) deposits for specialty applications. Duplex coatings consisting of a high-phosphorus EN or a new ternary alloy underlayer and an upper layer of low-, low/mid- or mid-phosphorus electroless nickel were investigated. Wear, adhesion and corrosion resistance properties for numerous combinations of EN duplex coatings are presented here, both as-plated and after heat-treatment. Duplex coating results are compared with single layer EN deposits.
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A Pulse/Pulse Reverse Electrolytic Approach to Electropolishing and Through-Mask Electroetching
Research at the authors’ laboratories has focused on pulse/pulse reverse electrolysis on cathodic processes, such as hard chromium plating from non-hexavalent chemistries. This papers describes studies into pulse/pulse reverse electrolysis as applied to electrochemical metal removal processes, such as electropolishing and electroetching.
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A Conversation With ... Harry Moser, Reshoring Initiative
Founder of the Reshoring Initiative focuses on bringing work and jobs back to the U.S.
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