John Daniel Kennedy Rivard

Title: John Daniel Kennedy Rivard: Innovator in Carbon Fiber Technology

Introduction

John Daniel Kennedy Rivard is a notable inventor based in Washington, DC. He has made significant contributions to the field of carbon fiber production through his innovative methods. His work focuses on enhancing the properties of carbon fibers, which are essential in various high-performance applications.

Latest Patents

Rivard holds a patent for a method titled "Magneto-carbonization method for production of carbon fiber, and high performance carbon fibers made thereby." This patent describes a unique process for preparing carbon fiber from fiber precursors. The method involves subjecting the fiber precursor to a magnetic field of at least 3 Tesla during the carbonization process. The carbonization is conducted at temperatures ranging from 400°C to less than 2200°C. Notably, the process includes a low-temperature carbonization step followed by a high-temperature carbonization step. The resulting carbon fiber, particularly from polyacrylonitrile (PAN) precursors, exhibits impressive mechanical properties, including a minimum tensile strength of at least 600 ksi and a tensile modulus of at least 30 Msi.

Career Highlights

Rivard is associated with UT-Battelle, Inc., where he applies his expertise in carbon fiber technology. His innovative approach has positioned him as a key figure in advancing materials science, particularly in the development of high-performance carbon fibers.

Collaborations

Rivard has collaborated with notable colleagues, including Amit Kumar Naskar and Soydan Ozcan. These partnerships have contributed to the advancement of research and development in carbon fiber technologies.

Conclusion

John Daniel Kennedy Rivard's contributions to carbon fiber production through his patented methods highlight his role as an innovator in materials science. His work continues to influence the development of high-performance materials that are crucial in various industries.