Research Article
Copper Corrosion by Atmospheric Pollutants in the Electronics Industry
Table 3
Correlation of corrosion rate, the year season, and air pollutants in indoor conditions of industrial plants.
| Seasons | Climatic factors | Hydrogen sulfide (H2S) | Sulfur dioxide (SO2) | RHa | | | CRd | RHa | | | CRd |
| Spring | | | | | | | | | Max | 88.8 | 33.4 | 0.15 | 255 | 85.6 | 23.2 | 0.34 | 176 | Min | 34.5 | 17.6 | 0.09 | 130 | 46.7 | 15.1 | 0.23 | 112 | Summer | | | | | | | | | Max | 89.9 | 42.1 | 0.14 | 265 | 88.2 | 39.9 | 0.45 | 245 | Min | 38.5 | 24.3 | 0.11 | 181 | 42.3 | 28.2 | 0.18 | 114 | Winter | | | | | | | | | Max | 87.5 | 25.6 | 0.42 | 382 | 88.8 | 22.3 | 0.67 | 338 | Min | 43.2 | 17.8 | 0.26 | 245 | 38.9 | 12.3 | 0.25 | 136 |
|
|
RH: relative humidity, %, : temperature, °C, : air pollution concentration (C), ppm, and dCR: corrosion rate, mg/m2·year.
|