Keiichi Iwahana

Title: Keiichi Iwahana: Innovator in Aluminum-Base Bearing Alloys

Introduction

Keiichi Iwahana is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of materials science, particularly in the development of aluminum-base bearing alloys. His innovative work has led to the creation of a patented bearing material that enhances performance under high-temperature conditions.

Latest Patents

Iwahana holds a patent for an aluminum-base bearing alloy and composite. This invention features an aluminum-base bearing alloy characterized by minimal hardness reduction under high-temperature conditions, resulting in high fatigue strength. The alloy comprises 10-30 wt.% of tin, 0.1-1.0 wt.% of chromium or zirconium, with the remainder being aluminum. Additionally, the alloy can include 0.2-2.0 wt.% of copper or both copper and 0.1-0.5 wt.% of beryllium to improve its properties. The inclusion of chromium in the alloy prevents the tin particles from coarsening during annealing, effectively maintaining hardness and fatigue strength.

Career Highlights

Iwahana is associated with Taiho Kogyo Co., Ltd., a company known for its advancements in bearing technology. His work has been instrumental in enhancing the performance and durability of bearing materials used in various applications.

Collaborations

Iwahana has collaborated with notable colleagues, including Yoshimi Mathuda and Kenichiro Futamura. Their combined expertise has contributed to the successful development of innovative materials in the industry.

Conclusion

Keiichi Iwahana's contributions to the field of aluminum-base bearing alloys exemplify the importance of innovation in materials science. His patented work not only improves the performance of bearing materials but also sets a standard for future developments in the industry.