Its services focus on thermal barrier protection, oxidation and corrosion resistance, and life extension for hot-section parts including turbine blades, vanes, nozzles, and combustor components. Sigmatech operates metallographic and analytical laboratories that perform destructive and non-destructive testing, including microscopy, XRF, AAS, CT scanning, surface roughness checks, eddy current thickness evaluation, and fluorescent penetrant inspection. The organization also conducts research and development in materials and coating technologies for advanced gas turbine engines.