Titanium Alloyed with Boron (Postprint)

Titanium alloys offer attractive mechanical and physical property combinations, with make them desirable for a variety of critical applications. Titanium alloys are proved to be reliable materials for important aerospace applications including many engine and airframe components, and the applications are expanding further in the next generation aircraft. The cost of titanium is still a major factor in the selection of titanium. A majority of the cost of titanium is associated with processing which is essential to obtain controlled microstructures. Small additions of boron to conventional titanium alloys have been found to produce significant changes to the microstructures and associated properties. Grain refinement and improved strength and stiffness are first-order effects, which lead to possibilities for developing novel and affordable processing methodologies and to enhance performance over conventional titanium alloys. Ongoing efforts to develop affordable titanium technologies for potential aerospace applications will be discussed in this paper.
Work unit no. M02R4000. Pub. in Advanced Materials and process, p1-3, Dec 2006. Prepared in collaboration with Wright State University, Dayton, OH and Ohio State University, Athens, OH.