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Polymer Rheology and Plastics Processing
Expert is currently working on constitutive modeling of the extensional behavior of molten plastics. He has developed models that allow the behavior in extension to be inferred from measurements in exponential shear. The material behavior in exponential shear is measured…
Fuel Cell Manufacturing
Expert has been developing chemical process technology for industrial materials and chemical firms for over 14 years. He has developed several novel chemical processes, including those for synthesis of advanced ceramic powders, pigments, and a wide range of inorganic materials.…
Laboratory Management; Quality Assurance/Control
Expert has demonstrated expertise with the design, development, and start-up of laboratory facilities. These facilities have been used for analytical testing, physical characterization, environmental sample conditioning, and drug stability testing. He has specified and implemented purified water systems, sample conditioning…
Wastewater Treatment
Dr. G. Expert has applied his background in chemical engineering, particulate filtration, and membrane separation technology to the areas of water and wastewater management, pollution prevention, and the treatment of industrial wastewaters and hazardous wastes. He is knowledgeable of waste…
Plastic Molding Processes
Expert has extensive experience with plastic molding processes and with injection molding in particular. He is often called upon to help clients with issues such as injection molding machine selection, injection mold lubrication, and in-mold labeling. He has been responsible…
Plastics Selection, Design, Compound, Processing, Testing, Failure, Pipes and Membrane
Expert is an expert in plastic piping, having in-depth knowledge of polyethylene pipe, PE gas pipe, PVC pipe, ABS pipe, crosslinked-polyethylene (PEX) pipe, polybutylene pipe, and related fittings. He is equally proficient with pipe joining processes using solvent cement and…
Plastics Fracture Mechanics, Plastics Service Performance, Plastics Wear, Plastics Friction
Expert has developed a criterion for the prevention of rapid crack propagation in plastic pipes. He developed a formula for calculating slow crack propagation as a function of the stress intensity factor. He developed a method of prediction of ductile-brittle…
Polymer Coating Technologies
Expert has designed numerous formulations serving commercial and industrial coating needs. Expert has experience in the development of coating products for graphic arts, inks, paints, lacquers, elastomerics, adhesives, chemically resistant coatings, decorative coatings, photosensitive coatings, anti-corrosive, and abrasive coatings. The…
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.…
Medical Device Design and Manufacturing: Laboratory Devices, Surgical Instruments, and Disposables
Expert has expertise in the design and development of laboratory devices, surgical instruments, and disposables for the biotechnology, pharmaceutical, medical device, electronic, cosmetic, and consumer product industries. Examples of products he has developed and/or patented are an I.V. disposable product…