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TEI Develops 20 Indigenous Metal Alloys to Enhance Engine Technology Independence

TEI Develops 20 Indigenous Metal Alloys to Enhance Engine Technology Independence
Turkish aerospace engine manufacturer TUSAS Engine Industries (TEI) has announced a major advancement in its pursuit of technological self-reliance with the development of over 20 proprietary superalloys and titanium alloys. This milestone, disclosed by TEI General Director Professor Mahmut Faruk Aksit at Sakarya Applied Sciences University, represents a critical step toward reducing Türkiye’s dependence on foreign sources for fighter jet and helicopter engine components. The achievement highlights the nation’s expanding capabilities in advanced defense manufacturing and materials science.
Strategic Significance in Modern Defense Manufacturing
Professor Aksit emphasized the vital importance of advanced engine technology in contemporary warfare, stating that success in conflict increasingly depends on innovations developed in laboratories and factories. He explained the formidable technical challenges involved in engine production, including the need for materials that can endure temperatures approaching half that of the sun’s surface and turbine blades that must be both lightweight and capable of supporting loads exceeding the aircraft’s own weight. To meet these demands, sophisticated cooling systems, specialized coatings, and cutting-edge material technologies are essential.
This development comes amid growing global concerns over supply chain vulnerabilities. Recent disruptions, such as China’s export restrictions on critical metals and the Grasberg mine disaster impacting copper supplies, have exposed the fragility of international metal markets. These events have accelerated efforts worldwide to secure alternative sources and foster domestic innovation in metal production. TEI’s success in creating and certifying its own alloys not only strengthens Türkiye’s resilience against external shocks but also encourages competitors to diversify supply chains and invest in new material technologies.
Establishing a Complete Domestic Production Chain
TEI has achieved a fully localized production process, encompassing every stage from raw ore extraction to finished engine components. According to Aksit, only a handful of countries possess the capability to produce the specialized metals required for engine manufacturing, and TEI now performs all these processes in-house. The company has established Türkiye’s first internationally certified materials testing laboratory and a Materials Characterization Center, enabling comprehensive alloy composition analysis, metal melting, component casting, and certified testing—all conducted domestically.
Significantly, TEI has succeeded in extracting pure cobalt and nickel from Turkish ore for the first time, formulating proprietary materials, and manufacturing single-piece turbine blades using local resources and expertise. This accomplishment completes the entire production chain within Türkiye, marking a historic achievement in the country’s aerospace industry.
Current Engine Programs and Future Exhibitions
TEI’s engines are already in serial production for several unmanned aerial vehicles (UAVs), including the Aksungur, Anka, and TB3 models, the latter having recently demonstrated successful operations aboard the Anadolu ship. The company has also finalized manufacturing preparations for the Gokbey helicopter engine, which is currently undergoing certification processes.
Looking ahead, TEI plans to showcase its leading aviation engines and technologies at the upcoming Farnborough Airshow, scheduled for July 22-26. Featured exhibits will include the TEI-TF10000 turbofan and the TEI-TS1400 helicopter engine, underscoring Türkiye’s growing independence and innovation in aerospace technology on the international stage.

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