GE Turbine Disk Manufacturing

This paper, GE Turbine Disk Manufacturing, provides a comprehensive analysis of the design, material selection, manufacturing process, and quality assurance involved in producing a turbine disk for GE engines. It focuses on using Udimet 720, a nickel-based superalloy, to meet the extreme requirements of high temperatures, stress, and fatigue experienced in turbine operations. The report outlines the entire manufacturing workflow, from material procurement and initial inspections to precision machining, heat treatments, surface treatments, and final quality checks.

Key phases include billet preparation, CNC machining of major and individual features, and post-machining inspections using non-destructive testing techniques like ultrasonic analysis and fluorescent dye penetrant tests. The paper also addresses the importance of surface treatments such as shot peening and thermal barrier coatings to enhance durability and resistance to fatigue, corrosion, and high temperatures. Additionally, a detailed cost and time estimate for the production of multiple disks is provided, including considerations for minimizing defects and ensuring the highest quality standards.

This paper is valuable for those interested in aerospace manufacturing, superalloys, precision machining, and quality assurance processes in high-performance engineering applications.