Effects of Air Pollutants on Weathering Steel and Galvanized Steel: A Chamber Study

FH Haynie; JW Spence; JB Upham

doi:10.1520/STP27313S

SYMPOSIA PAPER Published: 01 January 1978

STP27313S

Effects of Air Pollutants on Weathering Steel and Galvanized Steel: A Chamber Study

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A statistically designed laboratory study of the effects of gaseous air pollutants on materials was completed. Weathering steel and galvanized steel were among materials exposed in controlled environment chambers. The direct and synergistic effects of relative humidity, sulfur dioxide, nitrogen dioxide, and ozone in a programmed dew/light cycle were studied. For weathering steel, sulfur dioxide, relative humidity, and interaction between the two were the important corrosion rate factors. For galvanized steel, only the direct effects of sulfur dioxide and relative humidity were important. The remainder of the fifteen possible direct and synergistic effects were statistically insignificant.

Author Information

Haynie, FH

Environmental Research Center, Research Triangle Park, NC

Spence, JW

Environmental Research Center, Research Triangle Park, NC

Upham, JB

Environmental Research Center, Research Triangle Park, NC

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Details

Developed by Committee: G01

Pages: 30–47

DOI: 10.1520/STP27313S

ISBN-EB: 978-0-8031-4717-1

ISBN-13: 978-0-8031-0286-6

Effects of Air Pollutants on Weathering Steel and Galvanized Steel: A Chamber Study

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