Julius Frankel

Title: Innovations of Julius Frankel

Introduction

Julius Frankel is a notable inventor based in Rensselaer, NY (US), recognized for his contributions to the field of coating adhesion evaluation. With a total of 7 patents to his name, Frankel has developed innovative technologies that enhance the understanding and measurement of material properties.

Latest Patents

One of his latest patents is titled "Nondestruction coating adhesion evaluation using surface ultrasonic waves and wavelet analysis." This invention presents a nondestructive and quantitative laser ultrasonic apparatus designed to determine the adhesion quality of coatings on substrates. The apparatus utilizes a pulsed laser and a Michelson-type interferometer system, featuring a rotary probe head assembly for evaluations within cylindrical test specimens. The method involves data analysis that computes dispersion relations using a ridge-following technique in wavelet analysis, ultimately outputting the adhesive quality of the coating by comparing it with theoretical determinations of specific coating/substrate bond systems. This invention is particularly useful for evaluating adhesion quality in coatings used in gun bores.

Another significant patent is the "Photocharge microscope," which describes an apparatus that employs the photocharge voltage concept instead of optical scattering techniques to measure surface topology and properties of materials. This system measures a small electrical potential difference that appears on solid bodies when illuminated by modulated laser light. The voltage measured is proportional to the induced change in surface electrical charge and can be capacitively measured across various materials. This technology has potential applications in characterizing coatings for use inside the base of guns, particularly for the U.S. Army.

Career Highlights

Throughout his career, Julius Frankel has worked with the U.S. Government, specifically represented by the Secretary of the Army, and has contributed to various projects that enhance military technology. His innovative approaches have led to advancements in the evaluation of material properties, particularly in defense applications.

Collaborations

Frankel has collaborated with notable professionals in his field, including Agostino Abbate and Mark A Doxbeck. These collaborations have further enriched his work and contributed to the development of his patented technologies.

Conclusion

Julius Frankel's contributions to the field of coating adhesion evaluation through his innovative patents demonstrate his significant impact on material science and defense technology. His work continues to influence advancements in the evaluation of coatings and materials.