James P Dougherty

Title: The Innovations of James P. Dougherty

Introduction

James P. Dougherty is a notable inventor based in Hooper, Utah, recognized for his contributions to the field of materials science, particularly in the fabrication of Zircaloy-4 alloys. With a total of 2 patents, Dougherty has made significant advancements that enhance the corrosion resistance of these materials.

Latest Patents

Dougherty's latest patents focus on improved methods for fabricating Zircaloy-4 strips. The first patent details a method that involves vacuum melting, forging, hot reducing, beta-annealing, quenching, hot rolling, and multiple cold rolling steps. Key improvements include maintaining a maximum processing temperature of 620°C between quenching and final cold rolling, and a maximum intermediate annealing temperature of 520°C. The patent also specifies time-temperature combinations that yield an A parameter between 4×10^-19 and 7×10^-18 hours, ensuring optimal material properties.

The second patent mirrors the first in its methodology and improvements, emphasizing the same critical temperature controls and processing steps to achieve uniform and nodular corrosion resistance in Zircaloy-4.

Career Highlights

Dougherty has built a career at Westinghouse Electric Corporation, where he has applied his expertise in materials engineering to develop innovative solutions for the energy sector. His work has contributed to advancements in nuclear technology and materials safety.

Collaborations

Throughout his career, Dougherty has collaborated with esteemed colleagues such as Samuel A. Worcester and John P. Foster, further enhancing the impact of his innovations in the field.

Conclusion

James P. Dougherty's contributions to the development of Zircaloy-4 alloys demonstrate his commitment to advancing materials science. His innovative methods have significant implications for the industry, ensuring enhanced performance and safety in critical applications.