Advancements and Challenges in High-Temperature Titanium Alloy Materials

Abstract

High-temperature titanium alloys, developed for use in extreme environments exceeding 590 °C, play a crucial role in aerospace and industrial sectors, offering a combination of high strength, low density, and exceptional corrosion resistance. These properties contribute to improved fuel efficiency and the durability of critical components such as turbine engines and airframe structures. Recent advancements in alloy composition, including the addition of elements like aluminum, niobium, and molybdenum, have significantly enhanced oxidation resistance and creep performance at elevated temperatures. Surface modification techniques and the development of advanced protective coatings provide additional layers of defense against high-temperature oxidation, helping to mitigate issues such as cracking and peeling. Despite these benefits, high-temperature titanium alloys face ongoing challenges, including susceptibility to high-cycle fatigue, environmental degradation, and embrittlement caused by oxidation. Future efforts are likely to focus on optimizing alloy compositions, innovating surface treatments, and improving coating technologies to expand their applications and address performance limitations. This ongoing research is critical for maximizing the potential of titanium alloys in high-temperature applications, ensuring their continued relevance in demanding environments.