Kari M Ullakko

Title: Kari M Ullakko: Innovator in Magnetic Field Applications

Introduction

Kari M Ullakko is a prominent inventor based in Espoo, Finland. He has made significant contributions to the field of materials science, particularly in the development of methods that utilize magnetic fields to induce motion and force in materials. With a total of 4 patents to his name, Ullakko's work has implications for various applications in actuators and motors.

Latest Patents

Ullakko's latest patents include a method for producing motion and force by controlling the twin structure orientation of a material. This innovative method allows for shape changes and motion in materials with a twinned structure when subjected to a sufficiently high external magnetic field. The reorientation of the twin structure produces the desired motion or force, provided that the magnetocrystalline anisotropy energy is adequate. Another notable patent involves actuators, linear motors, and rotational motors that leverage magnetic-field-induced strains in actuator materials. These strains result from the reorientation of the twin structure under the influence of an applied magnetic field.

Career Highlights

Throughout his career, Ullakko has worked with esteemed institutions, including the Massachusetts Institute of Technology. His research has focused on the intersection of materials science and engineering, leading to advancements in the functionality of actuators and motors.

Collaborations

Ullakko has collaborated with Robert C O'Handley, a fellow researcher in the field. Their joint efforts have contributed to the understanding and application of magnetic field effects in materials.

Conclusion

Kari M Ullakko's innovative work in the realm of magnetic field applications has paved the way for advancements in actuator technology. His patents reflect a deep understanding of materials science and its practical applications.