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NICKEL DIFFUSION COATING TECHNOLOGY

Nickel Diffusion Coating Technology to be used in heating elements for washing machines and liquid heating applications.

Diffusion coating is a process in which heating elements that will be subjected to high temperature conditions and highly corrosive environments are coated with a non-corrosive material. The process is done at elevated temperatures in a controlled chamber.
As a result, the sheath metal develops extreme resistance to corrosion, oxidation and erosion in its severe working conditions.

The advantages and differences of Nickel Diffusion

  • Exactly same coating thickness on all the surface of tube
  • High corrosion resistance
  • High resistance against chemicals
  • High resistance to degradation
  • Hard to stick surface
  • Slickness on the surface

DEGRADATION OF NICKEL DIFFUSION COATING IN DIFFERENT ENVIROMENTS

Enviroment Temprature (ºC) Degradation Ratio (Micron/Year)
SEA SALT WATER %3,5 95 NONE
ACETIC ASID 20 0.8
AMMONIUM SULFATE 20 5
ASCETONE 20 0.8
AMMONIA %25 20 16
AMMONIUM NITRATE %20 20 15
AMMONIUM SULFATE DILUTED 20 3
BENZENE 20 NONE
CALCIUM CHLORIDE %42 20 0.2
CARBON TETRA CHLORIDE 20 NONE
CITRIC ACID DILUTED 20 200
IRON CHLORIDE %1 20 200
FORMIC ACID %88 20 13
HYDROCHLORIC ACID %5 20 24
LACTIC ACID %85 20 1
LEAD ACETATE %36 20 0.2
NITRIC ACID %0,1 20 25
OXALIC ACID %10 20 3
PHENOL %90 20 0.2
PHOSPORIC ACID %85 20 3
POTASSIUM HYDROXIDE %50 20 NONE
SODIUM CARBONATE DILUTED 20 1
SODIUM HYDROXIDE %45 20 NONE
SODIUM HYDROXIDE %50 95 0.2
SODIUM SULFATE %10 20 0.8
SULFURIC ACID %65 20 9
ACIDIC WATER (Ph3.3) 20 7
DISTILLED WATER 100 NONE
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