Benefits of an Adjustable Atmospheric Corrosion Test Rack

One of Wednesday’s exciting Corrosive Chronicles presentations is the "Adjustable Atmospheric Corrosion Test Rack" by Raghu Srinivasan of the University of Alaska Anchorage. As a winner from the 2019 Materials Performance (MP) Corrosion Innovation of the Year Awards program, Srinivasan will be discussing the success of modular and adjustable atmospheric corrosion tests, which were designed and installed on the roof of a University of Alaska parking garage.

The racks were 46 by 46 in (1,168.4 by 1,168.4 mm) and can be adjusted to three different angles (0, 30, and 45 degrees to the horizontal), similar to a car hood. The angle of exposure affects the snow/ice retention, leading to the formation of varying thicknesses of moisture on a metal surface. The angle of exposure also affects the wash off from rain, which can change the atmospheric corrosion mechanisms.  

In general, the rack helps in identifying the weather parameters by isolating the corrosion-inducing variables and their primary effect on corrosion in extreme cold climates.

Srinivasan's presentation is one of several within the Corrosive Chronicles forum, where conference attendees learn unique lessons from experienced corrosion professionals while simultaneously devising potential solutions. Via an interactive format, these issues can then be made more relatable to each attendee’s fields of expertise.

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