Development of New Coating Technology by Friction Technique
Assistant Professor, Department of Mechanical Engineering, KL University, Guntur, AP, India-522502, India
ABSTRACT
A new approach in development of coating technology by “Friction stir technique”. The research goal focuses on the development and application of new technologies in establishing new piping materials and coatings to improve corrosion resistance there by increasing the ease of fluid flow in pipes. Focus is on achieving operating cost reductions in the transport of gas and oil through pipelines. The outcome of the research is a newly developed pipe line system for transportation of gas and oil. This project helps to improve the surface smoothness and anticorrosion of inside pipe without using the chemicals or coating for the usage in petro chemical industries, marine applications, wear and abrasion resistant ship structures. The proper tool is selected according to pipe material and fixed in continuous drive friction welding machine. The tool is fixed in a rotating member while pipe is fixed in a stationary member. A tool material is inserted into the pipe and rotated inside the pipe to get sufficient temperature due to friction. So that a thin layer is formed between tool and pipe. Then the tool is slowly removed from the pipe. This thin layer (intermetallics) is formed inside the pipe material. This intermetallics act as anti-corrosion material. The friction factor and viscosity of the fluid inside the pipe/tube depends on surface roughness.
