Harsh Environments Call for Cyclic Salt Mist and Corrosion Testing

Harsh Environments Call for Cyclic Salt Mist and Corrosion Testing

Corrosion is an electrochemical oxidizing process that affects the appearance and performance of metals and other materials. For electronic equipment, exposure to even mildly corrosive environments can create a range of problems that go beyond appearance. These include connector interface and contact discontinuities, which then manifest as intermittent electrical faults or permanent failures. Salty atmospheres accelerate conductive bridging across circuit board traces and cause electrical shorts. Corrosion can also weaken structural elements and fasteners and degrade the adhesion of paints, films, and coatings.

To evaluate electrical devices and other items for resilience to corrosive and oxidizing environments, standardized tests are available to perform the assessment. The most common tests include exposing products to a 100% saturated humid environment consisting of a steady state of 5% NaCl salt fog. Typical standards for these environments include ASTM B117, MIL-STD-810 Method 509, and IEC 60068-2-11. These tests run continuously for a specified period of hours, or in the case of MIL-810 the exposure is applied in one or more cycles of in-chamber fogging and then out for a drying period.

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Elite's October Recap:

2024 Battery Show and Electric and Hybrid Vehicle Technology Expo

October 8 - October 10, 2024

2024 Oktoberfest with IEEE EMC & SAE Chicago

October 22, 2024

2024 Automotive Testing Expo North America

October 22 - October 24, 2024

2024 IESALC Fall Technology Conference

October 28 - October 31, 2024

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2024 IESALC Fall Technology Conference

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