Author

Ben Charbit

Date of Award

4-1993

Degree Name

Master of Science

Department

Mechanical and Aerospace Engineering

First Advisor

Dr. Jay Easwaran

Second Advisor

Dr. Christopher S. K. Cho

Third Advisor

Dr. Jerry Haraelink

Access Setting

Masters Thesis-Open Access

Abstract

The effectiveness of producing a composite coating by suspending micron-sized particles in an electroless nickel bath while plating a 2024T4 aluminum alloy part was studied. The variation in the count of particles trapped in the nickel coating due to changes in the particle size, concentration of the particles in the bath, and the substrate surface texture was also studied. Particle sizes of 1 micron and 10 microns, concentrations of 15 gr/lt and 30 gr/lt, and polished and blasted textures were used. It was found that this technique is an effective way to produce composite coatings rendering a high number of adhered particles. The texture was found to be the most influencing factor in the number of particles adhering to the surface, while the concentration of particles in the bath was found to be the least influencing factor.

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