2007International Journal on Design and Manufacturing TechnologiesOpen access

CORROSION BEHAVIOUR OF Ni PTFE and Ni Al2O3 COATING

S. Ramachandran, A. Anderson, Abbas Mohaideen J

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Abstract

The Corrosion Behaviour Of Ni Al O Coating Comparing With Other Types Of 2 3 Coatings Such As Ni PTFE, Nickel Coatings, Nickel Phosphorous Coatings, Chromium Coatings, Nickel Cobalt Coatings And The Bare Metal.The Different Thickness Of Coatings Was Obtained By Adjusting Current Density And Deposition Time.The First Corrosion Test Conducted Is Salt Spray Corrosion Test.The Weight Loss Was Calculated.Among The Electro Deposition Process, The Ni Al2O3 Coatings Have Shown The Highest Hot Corrosion Resistance Followed By Ni-PTFE, Cr, Ni-Co, Ni-P, Ni CoatingsAnd The Bare Metal.Then The Optimum Thickness For Ni Al2O3 Was Obtained.

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The Corrosion Behaviour Of Ni Al O Coating Comparing With Other Types Of 2 3 Coatings Such As Ni PTFE, Nickel Coatings, Nickel Phosphorous Coatings, Chromium Coatings, Nickel Cobalt Coatings And The Bare Metal.The Different Thickness Of Coatings Was Obtained By Adjusting Current Density And Deposition Time.The First Corrosion Test Conducted Is Salt Spray Corrosion Test.The Weight Loss Was Calculated.Among The Electro Deposition Process, The Ni Al2O3 Coatings Have Shown The Highest Hot Corrosion Resistance Followed By Ni-PTFE, Cr, Ni-Co, Ni-P, Ni CoatingsAnd The Bare Metal.Then The Optimum Thickness For Ni Al2O3 Was Obtained.

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Available abstract

The Corrosion Behaviour Of Ni Al O Coating Comparing With Other Types Of 2 3 Coatings Such As Ni PTFE, Nickel Coatings, Nickel Phosphorous Coatings, Chromium Coatings, Nickel Cobalt Coatings And The Bare Metal.The Different Thickness Of Coatings Was Obtained By Adjusting Current Density And Deposition Time.The First Corrosion Test Conducted Is Salt Spray Corrosion Test.The Weight Loss Was Calculated.Among The Electro Deposition Process, The Ni Al2O3 Coatings Have Shown The Highest Hot Corrosion Resistance Followed By Ni-PTFE, Cr, Ni-Co, Ni-P, Ni CoatingsAnd The Bare Metal.Then The Optimum Thickness For Ni Al2O3 Was Obtained.

Key concepts: Materials science, Corrosion, Nickel, Coating, Metallurgy, Conversion coating, Salt spray test, Deposition (geology)

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