Zinc-Nickel Plating for Propellant Actuated Devices (PADs)

Abstract

BACKGROUND: Corrosion protection is critical to long term ejection seat reliability and operation; Cadmium plating is used extensively in Propellant Actuated Devices (PAD) items. PRO's: Good corrosion protection; Thin enough for threads; good lubricity. CON's: Cadmium plater pool is drying up; EPA regulates cadmium in air; Cadmium toxic, carcinogenic. OBJECTIVES: Find a non-proprietary replacement, low toxicity, plating that provides corrosion protection which is equal to or greater than existing cadmium plating; Evaluate our low VOC plating system on the replacement coating; Assure that cadmium replacement doesn't induce hydrogen embrittlement; Qualify the replacement system.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2004
Accession Number
ADA446703

Entities

People

  • Harry L. Archer Jr.

Organizations

  • Naval Sea Systems Command

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Adhesion
  • Chromium Compounds
  • Coatings
  • Conversion
  • Corrosion
  • Corrosion Resistance
  • Ejection Seats
  • Hydrogen
  • Hydrogen Embrittlement
  • Materials
  • Naval Warfare
  • Paints
  • Propellant Actuated Devices
  • Propellants
  • Salt Spray Tests
  • Stress Relieving
  • Surface Warfare

Readers

  • Electrical Engineering
  • Surface Engineering/Surface Coating Technology.
  • Systems Analysis and Design