David L Downey

Title: Innovations by David L Downey

Introduction

David L Downey is an accomplished inventor based in Harleysville, PA (US). He has made significant contributions to the field of composite structures through his innovative patent. His work focuses on improving the analysis of fiber distortion anomalies, which is crucial for the integrity of composite materials.

Latest Patents

David holds a patent titled "Method and apparatus for failure probability density function determination." This patent describes a coupon fabrication method that incorporates defined distortion in the form of marceled fibers. The test protocol he developed is employed to determine the shape of the failure probability density curve. This innovation aims to enhance the analysis of the risk associated with fiber distortion anomalies in composite structures. The protocol provides a systematic approach to assess the probability and severity of various distorted fiber conditions that may arise during fabrication and service. A distortion characterization matrix is established to determine test shapes and provide defect characterization based on the results of tests conducted on the selected shapes. Coupons for testing are created using a resin pool.

Career Highlights

David is currently associated with The Boeing Company, where he applies his expertise in composite materials and structural integrity. His work is vital in ensuring the reliability and safety of aerospace components.

Collaborations

David has collaborated with notable colleagues, including Sharyn E Mlinar and Matthew Howard Cawthorne. Their combined efforts contribute to advancements in the field of composite materials.

Conclusion

David L Downey's innovative work in the realm of composite structures and his patent on failure probability density function determination exemplify his commitment to enhancing material integrity. His contributions are significant in the aerospace industry, ensuring safer and more reliable composite structures.