Company Filing History:
Years Active: 1987-1991
Title: The Innovative Contributions of Narasi Sridhar
Introduction
Narasi Sridhar is a notable inventor based in Carmel, Indiana, recognized for his significant contributions to materials science. With a total of three patents to his name, he has developed innovative alloys that enhance performance in challenging environments.
Latest Patents
One of Narasi Sridhar's latest patents is for a corrosion-resistant nickel-chromium-silicon-copper alloy. This alloy is designed for use in 'super oxidizing' environments, such as concentrated sulfuric acid and fuming nitric acid. It boasts excellent thermal stability, weldability, and a high degree of resistance to pitting. The nominal composition includes approximately 20% chromium, 2% copper, 2% iron, 2% molybdenum, 5% silicon, and the balance nickel along with normal impurities.
Another significant patent involves a tough weldable duplex stainless steel wire. This alloy contains about 25% chromium, 2% copper, 3% molybdenum, 0.2% nitrogen, and 9% nickel, with the balance being iron and modifying elements. It is particularly suited for use as a welding filler material and demonstrates improved Charpy impact properties and increased tensile ductility after welding.
Career Highlights
Throughout his career, Narasi Sridhar has worked with prominent companies such as Haynes International, Inc. and Cabot Corporation. His work has focused on developing advanced materials that meet the demands of various industrial applications.
Collaborations
Narasi has collaborated with notable colleagues, including Lee H. Flasche and Paul Crook, contributing to the advancement of materials technology.
Conclusion
Narasi Sridhar's innovative work in developing corrosion-resistant alloys and tough stainless steel has made a significant impact in the field of materials science. His contributions continue to influence the industry and pave the way for future advancements.