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Plastics; Plastic Failure Analysis
Leading expert on the failure of plastic piping including CPVC, PVC, and PEX. Globally renowned expert in styrene polymerization and polystyrene Have extensive experience conducting failure analysis of plastic and composite parts. Have served as an expert witness in about…
Pharmacoepidemiology, Pharmacoeconomics, Epidemiology, FDA, Drugs, Education
Expert is one of the leaders in the field of pharmacoepidemiology. He has extensive experience consulting on issues of applying epidemiological principles to the risk/benefit assessment of drugs. As Director of Global Pharmacoepidemiology and Health Economics Research for a major…
Biomaterials and Product Development R&D for Orthopedic, Cardiovascular, and Other Implants
Expert has helped assemble, and been lead author on 510(k) and IDE applications to the FDA. This has often included telephone conversations, and occasionally personal visits, with the FDA to discuss unique aspects of the devices and/or materials in the…
Synthesis Chemistry
Expert has synthesized a variety of solid materials that can be used as catalysts, ceramics, semiconductors, composites, as well as a variety of other applications. He has expertise with sol-gel, precipitation, microwave heating, and plasma synthesis methods. He is also…
Gear Design & Analysis
HELICAL GEAR DESIGN; SPUR GEAR DESIGN; GEAR TOOTH. Expert has extensive experience in the design and analysis of spur and helical gears. He is the author of the computer programs GEARCALC and AGMA218, which are widely used by the gear…
Semiconductor Technology
Since 1960, Expert (pronounced rye-chowdree) has made extensive contributions to materials and semiconductor technology. During his early years with Westinghouse, he conducted pioneering work in the areas of silicon epitaxy, selective epitaxy, and polysilicon. He has made significant contributions in…
Computer and cellphone Forensics, Eavesdropping Detection, Fiber Optics, Optical Sensors
1. COMPUTER FORENSIC EXAMINATIONS; COMPUTER CRIME Expert's company (see eSleuth.com) provides computer and cellphone examinations for criminal and civil cases. He has testified in federal and state courts in matters that range from homicide to embezzlement. Expert has been recognized…
Electronic Reliability & On-Chip ESD Protection
Expert currently works on predicting the electric breakdown of silicon dioxide gate dielectric. He is knowledgeable of the electric breakdown characteristics of silicon and air. Additionally, he has studied the effects of electric field on the reliability of semiconductor devices.…
Materials Processing and Manufacturing
Recent work in Expert's group has shown that high velocity sheet metal forming can dramatically improve material formability (the amount of stretch available without tearing) and wrinkling can be greatly suppressed. Electromagnetic forming is a very convenient way of flexibly…
Polyurethanes; Crystalline Polymers; Dielectric Properties; Ion-containing Polymers
Summary: Although I retired from Penn State in July '18, I continue to be engaged in the scientific / technical side of polymer science and engineering. I am more actively seeking external consulting opportunities, including serving as an expert witness.…