This is a technique that is used for evaluating microstructures of plant equipment such as heaters, boilers, piping and reactors. By comparison, cutting samples for laboratory testing is often more expensive, takes the equipment out of service and can be difficult to repair.
It is a simple process. Using portable equipment, the metal surface is ground and polished to a mirror finish. The polished surface is subsequently etched to reveal the microstructure. A replica of the etched surface is then made with a thin piece of acetate film.
This replica can then be examined for microstructural features such as grain size, cracks, carbides, creep and other damage mechanisms.
For more information on Metallurgical Replication or any NDT Services available please call CandorTech Inspections on the number below or use the contact form provided.