Linde Engineers to Present Paper on Arc Spraying Coating Process

At the International Thermal Spray Conference, two engineers from Linde will present a paper titled, ‘New Developments Using Arc Spraying to Produced Tailored Coatings.’ The event will be held in Houston, Texas from May 21 to 24, 2012.

According to the paper, the use of nitrogen with less quantity of fuel gas in arc spraying anti-corrosion coating process considerably enhances productivity and safety of the workplace. In the arc spraying process, materials, like zinc wire, are heated to create minute particles. These particles are scattered over a surface to make it resistant to corrosion. The application of fuel gas as the process gas can have a major effect on the coating thickness.

The paper offers comprehensive details on the improvement of the productivity by adding a small quantity of a fuel gas, such as acetylene, ethylene or hydrogen, as the process gas with nitrogen. Peter Heinrich and Werner Kroemmer, authors of the paper, have compared and demonstrated the increase in the coating thickness by employing a mixture of gases against conventional single process gas using an array of charts and tables. Researchers from Linde also analyzed the impact of the gas mixtures on dust particle size using fuel gas or hydrogen. The result showed considerable decrease in size when compared to compressed air in the process gas. Thus, there is an adequate improvement in workplace safety and environment.


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