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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…
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…
Corrosion in Plant, Buildings, HVAC, Hi-Temp, Surveys/Failure Analysis; Expert Witness, Seminars
Expert has over 35 years of experience in practical aspects of materials utilization involving steels, stainless and high alloy steels, nickel and nickel alloys, copper and copper alloys, aluminum and aluminum alloys, and titanium and titanium alloys in many corrosive…
Silicone, RTV Rubber
ROOM TEMPERATURE VULCANIZING (RTV) RUBBER; SILICONE ELASTOMER. Expert spent a significant portion of his career in the area of silicone RTVs. He has applied his expertise in developing new processes, test techniques, and troubleshooting manufacturing systems. His work has led…
Selection of Structural Adhesives for Plastics, Metals, & Composites in Production
ADHESION TO FIBERGLASS, ELASTOMER, GLASS, METAL, PLASTIC, SPECIFIC MATERIAL. For over 30 years, Expert's has been involved in the detailed matching of structural adhesives for all substrates when used within a production environment, with particular emphasis on plastic assembly with…
Failure Analysis of Materials
MATERIAL FAILURE ANALYSIS; ADHESIVE FAILURE; COMPOSITE FAILURE; METAL FAILURE. Expert's (pronounced Wall-teen) principal occupation has been in the analysis of failures of machine components, including orthopedic (surgical) implants. Materials analyzed include metals and alloys of all types, polymers, elastomers, composites,…
Corrosion, Material Selection
ALLOY CORROSION; METAL CORROSION; SOLUTION CORROSION. Since 1980, Expert has been actively involved in solving aqueous corrosion problems. He has also recommended appropriate materials for corrosive services. Besides metals, he has a good understanding of the effects of corrosion on…
Lighting, Vision Ergonomics and Efficiency
LIGHTING & VISION ERGONOMICS; WORKPLACE RADIATION; VIDEO DISPLAY TERMINAL HEALTH EFFECT; OPTICAL RADIATION SAFETY. Expert has worked with numerous medical, technical, and end-user groups to develop new testing systems for visual stress and means of testing the lighting environment and…
Biomedical Device Engineering
BIOMEDICAL PRODUCT DEVELOPMENT; MEDICAL DEVICE PRODUCT DEVELOPMENT; NEW PRODUCT DEVELOPMENT. Expert has dedicated his career to the research, design, development, engineering, and manufacturing of biomedical devices and instruments. Expert has directed medical device new product development projects and a product…