Shigeru Akiyama

Title: Shigeru Akiyama: Innovator in Foamed Metal Technologies

Introduction: Shigeru Akiyama is a distinguished inventor hailing from Tosu, Japan, known for his contributions to the field of materials science. With two notable patents to his name, Akiyama has developed innovative solutions that enhance structural integrity while addressing sustainable material usage.

Latest Patents: Akiyama's recent patents showcase his ingenuity in creating advanced materials. One of his significant inventions is a foamed metal that possesses an apparent specific gravity ranging from 0.2 to 0.8. This foamed metal is composed of an aggregate of polygonal closed cells averaging 2 to 10 mm in diameter. It stands out due to its lightweight nature, structural strength, and impressive sound-absorbing and electromagnetic shielding properties, making it suitable for various construction and functional applications. The method for producing this foamed material involves adding calcium as a thickening agent to molten aluminum or its alloys, followed by the introduction of powdered titanium hydride as a foaming agent.

Another notable patent is about a vaned stirrer designed for high-temperature environments. This heat-resistant stirrer is specifically crafted for use in molten metals, enduring temperatures between 300°C and 1200°C. The stirrer vanes are made from a carbon-ceramics composite material, resulting in a construction that boasts a bending strength exceeding 200 kg/cm, ensuring durability during rigorous stirring operations.

Career Highlights: Throughout his career, Akiyama has been associated with esteemed organizations such as the Agency of Industrial Science and Technology and Shinko Kosen Kogyo Kabushiki Kaisha, where he has harnessed his talents in research and development. His work has significantly contributed to advancements in material engineering, particularly in the development of lightweight and durable materials.

Collaborations: Akiyama has collaborated with notable peers in his field, including Hidetoshi Ueno and Koji Imagawa. These collaborations have allowed for the exchange of innovative ideas, further propelling advancements in material science and engineering.

Conclusion: Shigeru Akiyama's contributions to the field of materials science through his innovative patents highlight the importance of developing versatile materials that cater to modern engineering needs. His work not only demonstrates his expertise as an inventor but also reflects a commitment to addressing challenges in sustainable material usage and enhancing structural capabilities in various applications.