Company Filing History:
Years Active: 2017-2019
Title: **The Innovative Contributions of Ernst Affeldt**
Introduction
Ernst Affeldt is a notable inventor based in Groebenzell, Germany. With a focus on advancements in material science, he holds two patents related to nickel-based alloys. His work has contributed significantly to the field of superalloys, which are critical in various high-temperature applications, especially in the aerospace sector.
Latest Patents
One of Affeldt's latest inventions is a nickel-based alloy with optimized matrix properties. This alloy features a microstructure containing a matrix of γ-phase and precipitates of γ'-phase, with the γ'-phase comprising a volume percentage of 50 vol % to 80 vol % at temperatures ranging from 1000°C to 1100°C. The alloy includes precise proportions of aluminum (8 to 13 at %), cobalt (3 to 14 at %), chromium (4 to 12 at %), molybdenum (0.6 to 8 at %), rhenium (0 to 6 at %), tantalum (0.5 to 4 at %), titanium (0.5 to 4 at %), tungsten (0.3 to 3.5 at %), germanium (0 to 4 at %), hafnium (0 to 0.6 at %), ruthenium (0 to 4 at %), with the balance being nickel and unavoidable impurities. The concentrations of molybdenum and tungsten are meticulously selected to ensure optimal performance under high temperatures.
Another significant patent focuses on a rhenium-free or rhenium-reduced nickel-base superalloy. This superalloy comprises key elements such as aluminum, cobalt, chromium, molybdenum, tantalum, titanium, and tungsten, alongside nickel, with a rhenium content limited to 2 wt. % or less. The titanium content is specified to be at least 1.5 wt. %, further enhancing the material’s properties.
Career Highlights
Ernst Affeldt is associated with MTU Aero Engines AG, a leading company in the aerospace engine manufacturing sector. His work at this institution emphasizes his commitment to developing materials that can withstand extreme operational conditions, which is crucial for aircraft performance and reliability.
Collaborations
Throughout his career, Affeldt has collaborated with esteemed colleagues such as Thomas Goehler and Ralf Rettig. These partnerships have likely fostered an innovative environment, resulting in the successful development of advanced materials for aerospace applications.
Conclusion
Ernst Affeldt's contributions to the field of nickel-based alloys and superalloys illustrate his significant impact on material science, especially in high-performance industries like aerospace. His patents not only advance the technology but also pave the way for future innovations in engine design and performance. As he continues to refine these materials, the industry can anticipate further developments that enhance safety and efficiency in aviation.