Company Filing History:
Years Active: 1995-1998
Title: Innovations of Christopher N McCowan in Cryogenic Alloys
Introduction
Christopher N McCowan is an accomplished inventor based in Boulder, CO (US). He has made significant contributions to the field of welding and materials science, particularly in the development of cryogenic alloys. With a total of 2 patents, his work focuses on enhancing the properties of materials used in extreme conditions.
Latest Patents
McCowan's latest patents include a method for welding cryogenic alloys and the development of alloys specifically designed for cryogenic service. The first patent details an alloy comprising nickel, chromium, molybdenum, manganese, nitrogen, and iron, which results in a weld metal that is austenitic. This alloy exhibits superior properties compared to other stainless steels, including enhanced tearing modulus, fracture toughness, and yield strength, even at cryogenic temperatures. The method for welding involves using a welding electrode with similar composition, ensuring that nitrogen is present in a concentration of 0.1 to 0.2% by weight. The preferred welding technique is gas metal arc welding, utilizing shielding gas with minimal oxygen content.
Career Highlights
Christopher N McCowan is associated with the Government of the United States of America, as represented by the Secretary of Commerce. His work has been pivotal in advancing the understanding and application of materials in cryogenic environments.
Collaborations
One of his notable collaborators is Thomas A Siewert, with whom he has worked on various projects related to his patents.
Conclusion
Christopher N McCowan's innovations in cryogenic alloys and welding methods have significantly impacted the field of materials science. His contributions continue to enhance the performance of materials in extreme conditions, showcasing the importance of innovation in engineering.