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Erosion-corrosion combines erosive stress with corrosion thereby accelerating the wear rate. The motion of the erosive media brings the corrosive elements to the metal surface, where mechanisms such as pitting is aggravated by the fluidic motion.


On the fireside of waste-to-energy and coal-fired boiler waterwalls, erosion is caused by gaseous media circulating at high velocity that carries the corroding media to the components. The result is generally pitting or ongoing erosion of the metal that is simultaneously undergoing corrosive attack. Oerlikon Metco offers electric arc wire spray equipment and materials that can effectively prevent erosion-corrosion on these components. 

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