Hyun I Kim

Title: Hyun I Kim: Innovator in Aerospace Materials

Introduction

Hyun I Kim is a prominent inventor based in Brea, CA, with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in aerospace materials, particularly in the evaluation and measurement of composite materials.

Latest Patents

One of his latest patents is a quality control evaluation method for cyanate ester matrix resin material within CFRP composites concerning localized hydrolytic degradation. This innovative method involves inserting a small piece of a deposit extracted from a composite laminate into an epoxy for cross-sectional analysis. It also includes performing cross-sectional polishing on the small piece of the deposit. The evaluation process further incorporates resolution imaging to study multiple plies in the deposit, allowing for assessment without causing destruction to each ply.

Another significant patent is a process for rapidly measuring coefficient of moisture expansion (CME) values for materials. This process discloses methods for accurately measuring the coefficient of moisture expansion for materials such as adhesives. A replication technique is utilized to manufacture highly flat and smooth adhesive samples. Moisture is introduced in a controlled humidity atmosphere, and distortion is monitored with an accurate laser interferometer, achieving approximately 1 nanometer accuracy. This innovative approach significantly reduces sample size and adhesive mass requirements, enabling the measurement of expensive microelectronic adhesives that were previously cost-prohibitive.

Career Highlights

Hyun I Kim is currently employed at The Aerospace Corporation, where he contributes to the development of advanced materials for aerospace applications. His expertise in quality control and moisture expansion measurement has positioned him as a key player in the field.

Collaborations

He collaborates with talented coworkers, including Rafael J Zaldivar and Geena Linn Ferrelli, to drive innovation in aerospace materials.

Conclusion

Hyun I Kim's contributions to the field of aerospace materials through his innovative patents and collaborative efforts highlight his significant impact on the industry. His work continues to pave the way for advancements in material science and engineering.