Company Filing History:
6 out of 15,471 
5 out of 3,975 
Years Active: 1990-2003
Title: John J Petrovic: Innovator in Transition Metal Silicides
Introduction
John J Petrovic is a prominent inventor based in Los Alamos, NM (US), known for his significant contributions to the field of materials science. He holds a total of 11 patents, showcasing his innovative approach to alloying processes and composite materials.
Latest Patents
Among his latest patents is the invention related to the microalloying of transition metal silicides by mechanical activation and field-activated reaction. This process involves a two-stage method where mechanical activation, preferably through high-energy planetary milling, incorporates alloying elements into the crystal lattice of transition metals. The second stage, densification and field-activated reaction, is typically performed by spark plasma sintering, leading to the formation of alloyed transition metal silicides. This method offers numerous advantages, particularly its ability to accommodate materials that are otherwise incompatible in traditional alloying methods. Another notable patent involves molybdenum disilicide composites, which are created through in situ reactions among α-silicon nitride, molybdenum disilicide, and aluminum, resulting in a unique microstructure.
Career Highlights
Throughout his career, John J Petrovic has worked with esteemed institutions, including the University of California and the United States of America as represented by the United States. His work has significantly advanced the understanding and application of transition metal silicides in various industries.
Collaborations
He has collaborated with notable colleagues such as Richard E Honnell and David H Carter, contributing to the development of innovative materials and processes.
Conclusion
John J Petrovic's contributions to the field of materials science, particularly in the area of transition metal silicides, highlight his role as a leading inventor. His patents reflect a commitment to advancing technology and improving material compatibility in various applications.