Bruce A Ewing

Title: Bruce A. Ewing: Innovator in Powder Metallurgy and Hybrid Materials

Introduction

Bruce A. Ewing is a notable inventor based in Martinsville, Indiana, with a significant contribution to the field of powder metallurgy and hybrid materials. He holds a total of seven patents, showcasing his innovative spirit and technical expertise. His work primarily focuses on high-performance materials that meet the demanding requirements of modern engineering applications.

Latest Patents

Among his latest patents, Ewing has developed a high-performance wrought powder metal article and a method of manufacture. This invention pertains to a nickel base powder metallurgy superalloy gas turbine engine disk designed for compressors or turbines. The disk exhibits desirable fatigue crack growth resistance and a superior balance of tensile, creep rupture, and low cycle fatigue strength characteristics. In one embodiment, the disk features a segregation-free homogeneous structure.

Another significant patent involves a lightweight high stiffness member and its manufacturing method. This high-performance hybrid member is intended for applications where high stiffness, high-temperature capacity, and lightweight properties are crucial. The hybrid member consists of a titanium alloy outer portion and a gamma titanium aluminide alloy inner portion, which are metallurgically bonded. This innovative design results in a member with a modulus of elasticity greater than that of the titanium alloy outer portion, while maintaining a density equivalent to that of the titanium outer portion.

Career Highlights

Ewing has worked with GM Global Technology Operations LLC, where he applied his expertise in materials science and engineering. His contributions have significantly advanced the development of high-performance materials in the automotive and aerospace industries.

Collaborations

Throughout his career, Ewing has collaborated with notable professionals, including Robert Anthony Ress, Jr. and Marvin Herman. These collaborations have fostered innovation and the exchange of ideas in the field of materials engineering.

Conclusion

Bruce A. Ewing's contributions to the field of powder metallurgy and hybrid materials have established him as a prominent inventor. His innovative patents reflect his commitment to advancing technology and improving material performance in critical applications.