Which of the following describes galvanic corrosion? Select one: a. Two metals/alloys of different compositions are coupled while exposed to an electrolyte. b. Oxidation and reduction reactions occur randomly over the surface. c. Localized corrosion that may be initiated at a surface defect. d. Corrosion that results from a difference in concentration of ions or dissolved gases in the electrolyte. e. Corrosion that occurs preferentially along grain boundaries. f. Corrosion resulting from the combined action of chemical attack and mechanical abrasion or wear. g. One element is preferentially removed as a result of corrosion. h. Corrosion resulting from the combined action of an applied tensile stress and a corrosive environment.
Which of the following describes galvanic corrosion? Select one: a. Two metals/alloys of different compositions are coupled while exposed to an electrolyte. b. Oxidation and reduction reactions occur randomly over the surface. c. Localized corrosion that may be initiated at a surface defect. d. Corrosion that results from a difference in concentration of ions or dissolved gases in the electrolyte. e. Corrosion that occurs preferentially along grain boundaries. f. Corrosion resulting from the combined action of chemical attack and mechanical abrasion or wear. g. One element is preferentially removed as a result of corrosion. h. Corrosion resulting from the combined action of an applied tensile stress and a corrosive environment.
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter10: Oxidation, Degradation, Corrosion, Electroprocessing, Batteries, And Fuel Cells
Section: Chapter Questions
Problem 10.8P
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That is two metals are alloys of different compositions are coupled while exposed to an electrolyte.
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