Company Filing History:
Years Active: 1991-1992
Title: Innovations of Barbara M Pyzik in Silicon Nitride Ceramics
Introduction
Barbara M Pyzik is a prominent inventor based in Midland, MI (US), known for her significant contributions to the field of materials science, particularly in the development of silicon nitride ceramics. With a total of four patents to her name, she has made remarkable advancements that enhance the properties of ceramic materials.
Latest Patents
One of her latest patents is focused on a self-reinforced silicon nitride ceramic of high fracture toughness. This innovative process involves hot-pressing a powder mixture that includes silicon nitride, sodium oxide as a densification aid, lanthanum oxide as a conversion aid, and gallium oxide to promote the growth of beta-silicon nitride whiskers. The resulting ceramic exhibits a beta-silicon nitride crystalline phase, where at least 20 volume percent is in the form of whiskers with an average aspect ratio of at least 2.5. Additionally, the glassy second phase contains the densification aid, conversion aid, and silica, with a maximum of 10 weight percent from other phases. This novel ceramic also allows for the inclusion of secondary reinforcing materials, such as silicon carbide whiskers, further enhancing its mechanical properties.
Career Highlights
Barbara M Pyzik has established herself as a key figure at The Dow Chemical Company, where she applies her expertise in materials science to develop innovative solutions. Her work has not only contributed to the advancement of ceramic materials but has also positioned her as a leader in her field.
Collaborations
Throughout her career, Barbara has collaborated with notable colleagues, including Aleksander Jozef Pyzik and Harold E Rossow. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Barbara M Pyzik's contributions to the field of silicon nitride ceramics exemplify her dedication to innovation and excellence in materials science. Her patents reflect a commitment to enhancing the performance of ceramic materials, making her a significant figure in the industry.