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During the fabrication of pre-painted products, the forming processes employed can produce internal stresses within the organic coating. These internal stresses can cause changes in the polymeric film which can affect its mechanical performance, dielectric properties and corrosion resistance. To effectively assess the deteriorating effect of forming processes on the performance of organic-coated steel, the relationship between these three material properties should be determined. The aims of this project were to closely examine the relationship between the strains introduced into an organic coating and its corrosion resistance by closely investigating the changes in the dielectric properties of the coating (impedance spectroscopy), and coating chemistry and morphology (using X-ray photoelectron spectroscopy (XPS), infrared (IR) and scanning electron microscopy (SEM) techniques).

Additional information

Authors: JOHN V, British Steel plc, London (GB);SIMOES A, Institute Superio Tecnico, Lisboa (PT);FERREIRA M G S, Institute Superio Tecnico, Lisboa (PT);CASTELLA A, Institute Superio Tecnico, Lisboa (PT)
Bibliographic Reference: EUR 18390 EN (1998) 80pp., ECU 15.00
Availability: Available from the (2)
ISBN: ISBN 92-828-4480-3
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