Joseph Quinn, M.S., P.E. Expert Witness
Curriculum Vitae

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Specialties & Experience of this Expert Witness

General Specialties:

Failure Analysis and Metallurgy

Keywords/Search Terms:

Automobile, Aviation & Aerospace, Motorcycle,Appliance, Engineering, Construction, Construction Defects, Corrosion, Maritime, Equipment & Machinery, Mining, Bicycles, Transportation, Medical Devices, Manufacturing, Plumbing, Products Liability, Fire, Electricity, Pipe, HVAC, CPVC, Oil & Gas, Welding


Master of Science, Materials Engineering, California State University; Bachelor of Science, Materials Science and Engineering; Add'l. Cert. - Ferrous Physical Metallurgy, University of Pittsburgh, Swanson School of Engineering; Associate of Applied Science, Engineering Technology, Westmoreland County College

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Joseph Quinn, MS, PE, is a Forensic Metallurgy and Metallurgical Engineering consultant. He is a Licensed Professional Engineer in Metallurgical Engineering and is registered in 7 states (CA, PA, UT, NV, AZ, CO, WA). He has provided over 1,000 Failure Analysis investigations on metallic and non-metallic (glass, plastic, rubber, and composite) materials or products. Mr. Quinn provides metallurgical and materials consultation, expert witness testimony, and forensic failure analysis for civil litigation with retentions by defendants and plaintiffs. He has received awards in the International Metallographic Contest and has conducted several presentations on metallurgical engineering and failure analysis subjects at universities, ASM meetings, and industry events. He is President of the National Society of Professional Engineers in California (NSPE-CA) and is active in several technical societies. He has taught metallurgical engineering course topics in Principals and Applications of Steel Alloy Design at the University of Pittsburgh School of Engineering. He was awarded outstanding graduate, presidents’ list, graduate with distinction, and high honors; his education was focused in failure analysis, mechanical behavior of materials, corrosion and degradation, and physical metallurgy. • Product failure analysis involving water loss, fire & explosions, accidents, & forensic investigations. • Material failures due to abuse/misuse, application, design, environment, fabrication, installation, maintenance, manufacturing, & processing. • Fracture analysis of Metals, Plastics & Glass • Corrosion & Degradation of Materials • Mechanical Behavior of Materials • Fasteners • Fire Sprinkler Systems • Mechanical Failures • Weld, Braze, & Solder failures • Plumbing Pipes, fittings & Valves • Aircraft • Automobile components • Turbine Blades • Amusement Rides • Copper, CPVC, PEX Tubing/Pipes • Household Appliances & Consumer Products • Construction Equipment & Machinery • Construction Tools • Process Piping • Electrical Connectors, Wires & Devices • Medical Devices & Instruments • Fitness Equipment