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Page 22
Russell E. Gackenbach. 3. CATHODIC PROTECTION Although cathodic protection has been known for over a century , its use is still relatively new and limited to only a few types of applications , such as protecting underground piping ...
Russell E. Gackenbach. 3. CATHODIC PROTECTION Although cathodic protection has been known for over a century , its use is still relatively new and limited to only a few types of applications , such as protecting underground piping ...
Page 25
... Cathodic protection is extensively used to protect buried pipelines . Cor- rosion of subsurface structures is caused by galvanic currents originating between two or more areas on the same metal surface , by nonuniformities in the ...
... Cathodic protection is extensively used to protect buried pipelines . Cor- rosion of subsurface structures is caused by galvanic currents originating between two or more areas on the same metal surface , by nonuniformities in the ...
Page 27
... cathodic protection systems in chemical reactors . However , some progress has been made . Nickel caustic evaporators are protected by the use of nickel anodes . Indications are that with austenitic stainless steels cathodic protection ...
... cathodic protection systems in chemical reactors . However , some progress has been made . Nickel caustic evaporators are protected by the use of nickel anodes . Indications are that with austenitic stainless steels cathodic protection ...
Contents
INTRODUCTION | 1 |
CATHODIC PROTECTION 2280 | 22 |
INHIBITORS | 28 |
Copyright | |
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abrasion resistance alkalies aluminum aluminum alloys annealed anode applications austenitic austenitic stainless steels base metal brasses brazing bronzes carbide carbon steel cast iron cathodic cause cements cent chemical resistance chloride chromium coat coefficient of thermal cold-working compounds concentrations copper corrosion resistance cracking ductility effect elastomers electrodes elevated temperatures Elongation environments epoxies equipment exposure fabrication filler film furane grades graphite gray iron handled hardened hardness Hastelloy heat heat-treatment Inconel increase inhibitors machining Manganese material maximum mechanical properties metal surface Monel natural rubber Ni-Resist nickel nitric acid normally oxidizing paint phenolics physical and mechanical pipe plastic process industries protection rate of attack readily reducing Reduction of area resin rust salts sea water silicon sodium solutions solvents stainless steels stress structure sulfuric acid tensile strength Tensile strength psi thermal conductivity thermal expansion tion titanium Type welding wrought Yield strength Yield strength psi zinc zirconium