Employing Electrochemical Impedance in Predicting ... - Halox

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Challenges www.halox.com Cd plating vs. Zn plating on automotive parts Painted CRS vs. Electro-galvanized steel 4
Challenges www.halox.com - Cabinet tests - Neutral salt spray considered industry standard for over 50 years - Neutral salt spray has been the achilles heel for W/B coatings breakthroughs - Can sometimes take too much time - Many use neutral salt spray as quality control to qualify DTM coatings designed to provide barrier properties, good adhesion, hardness, toughness, chemical resistance, etc - Do not always tell us why a coating failed or passed 5
Page 1 and 2: www.halox.com EMPLOYING ELECTROCHEM
Page 3: Objectives www.halox.com EIS Test
Page 7 and 8: Corrosion Correlation www.halox.com
Page 9 and 10: EIS Principles www.halox.com - Rapi
Page 11 and 12: Equivalent Circuit Modeling www.hal
Page 13 and 14: EIS Response (Defects vs. No Defect
Page 15 and 16: Why EIS? www.halox.com • Measure
Page 17 and 18: Screening Protocol www.halox.com Sa
Page 19 and 20: DTM FORMULATION MATRIX www.halox.co
Page 21 and 22: Bode Plots for DTM Paints After 24
Page 23 and 24: Bode Plots for DTM Paints After 168
Page 25 and 26: Bode plots for overall best system:
Page 27 and 28: Cabinet Test Results NSS 504 hrs ww
Page 29 and 30: Corrosion Progression Salt Spray: 7
Page 31 and 32: Total Impedance [Z] www.halox.com T
Page 33 and 34: Best DTM Coatings www.halox.com 1E+
Page 35 and 36: Conclusion www.halox.com - EIS pred

Employing Electrochemical Impedance in Predicting ... - Halox

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