![]() Since then, it has developed component repairs for operators and engine manufacturers, with a concentration on hot end components for Pratt & Whitney and GE engines, the preponderance of which are vanes, nozzles, and blades. Walbar, a division of Coltec Industries, originated in the early Ô70s, and offered metallurgical services. Walbar provides only "OEM approved repair and refurbishing processes" and offers numerous coating options for hot section components. One company that offers coating and refurbishment options for turbine components is Walbar Metals in Peabody, Massachusetts. The OEM's can also benefit from these specialized services by providing the OEM customers with low cost options for keeping their engines running longer and take advantage of faster turnaround times. Due to a combination of the complexity of turbine component's geometry, access to engineering data, test facilities, and exotic superalloys it is extremely advantageous for these companies to work closely with the original equipment manufacturer (OEM's) and to provide complementary services instead of competitive repair services. Unlike other aftermarket overhaul operations in aviation, it's fairly common for turbine component refurbishment companies to seek manufacturer approvals for all of their repair processes. Additionally, the quest to improve turbine component life and performance of engines with higher thrust, operating at higher temperatures, has also created a demand for improved coatings. The business of overhauling turbine components is growing, and overhaul facilities are constantly searching for more options to offer their customers, including the option of high temperature protective coatings. With increasing costs of engine overhauls over the years, many engine operators are continuously evaluating their options with regard to refurbishing and overhauling turbine engine components. New advancements make repair worth considering ![]()
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