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There is minimal dilution on the rod material to provide the highest level of corrosion protection available. Dilution refers to the reduction of chemical concentration.
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"Laser cladding technologies were identified in the 1980s, but Eaton has advanced the technology to create a world-class coating with no imperfections, no variations in depth, no adhesion issues and a closed microstructure," says Eric Lai, product manager - XL Cylinders at Eaton.
To verify the quality of the cladding through the entire depth, Eaton has also developed a proprietary NDT (nondestructive testing) process.
Hydraulic cylinders are used in the power generation industry. Their functions include stabilizing oil rigs in choppy waters, rotating the turbine blades on a wind turbine in the heat of summer and the cold of winter, and regulating water flow of a hydro-electric dam in remote locations.
Exposure of a cylinder rod exposed to these harsh environments could lead to failure of the cylinder, and downtime of the equipment, costing up to $500,000 a day, according to Eaton.
Competing coating processes include high-velocity oxygen fuel thermal spray process, plasma spray and electroplating.
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