Employing Electrochemical Impedance in Predicting ... - Halox

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Challenges www.halox.com - ASTM B-117 Salt Fog - How many hours of salt spray is equivalent to 1 or 10 yrs real world corrosion? Cyclic Prohesion Cyclic Salt Spray Humidity Prohesion Salt Spray Resistance to SO 2 (Kesternich) Immersion Xenon Arc Condensation QUV Volvo outdoor SCAB test (Simulated Corrosion Atmospheric Breakdown) SAE J2334 Cosmetic Corrosion Lab Test (80 cycles = 5 yrs on vehicle test<strong>in</strong>g) GMW14872 Cyclic Accelerated Corrosion Test<strong>in</strong>g (Formerly GM9540P 60 cycles = 10 years) CASS (Copper Accelerated Acetic Acid Salt Spray) 6
Corrosion Correlation www.halox.com Reference: John Repp – Corrpro Companies, Inc - US Army Corrosion Summit 2002 7
Page 1 and 2: www.halox.com EMPLOYING ELECTROCHEM
Page 3 and 4: Objectives www.halox.com EIS Test
Page 5: Challenges www.halox.com - Cabinet
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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