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Automotive Engineering Materials
METAL MATRIX COMPOSITE APPLICATION. Expert has expertise in the many aspects of incorporating metal matrix composites into mechanical devices. He has been involved in the design, fabrication, machining, joining, and evaluation process for automotive applications. In particular, Expert has extensive…
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.…
Metal Casting, Aluminum
Expert has over 25 years of experience with tooling design, casting methods, cast product design, machining initialization, and manufacturing methods. His expertise includes aluminum solidification and heat treatment, x-ray analysis and related physical properties, and aluminum corrosion protective coatings. Expert…
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…
Ceramic/Metal Seal, Glass/Metal Seal, Thin & Thick Films, Coating, Effective Manufacturing, Analysis
Expert has in-depth expertise of moly-manganese metallization on alumina, zirconia, mullite, sapphire, and others. His metallization knowledge includes Mo/Mn, W/Ti, and active alloy brazing, and has extensive experience with various soldering and brazing methods. His educational background covers the theory…
Fact-Based Problem Solving: DoE, Taguchi, ISO 9002, Weibull, Manufacturing Cost Control, Design
Expert is concerned with controlling manufacturing costs and improving product quality through fact-based decisions, including design of experiments, statistical process control, and similar techniques. His A2Q Method(TM) was used to simultaneously develop a new heat exchanger and the production procedures…
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,…
Metallurgical Engineering, Materials Processing, Materials Failure Analysis
Expert has gained extensive experience in the uses of ferrous metals and alloys (carbon and alloy steel, high strength steel, structural steel, heat resistant steel), non-ferrous metals and alloys, superalloys, stainless steels (austenitic, ferritic, martensitic, and precipitation hardening grades), tool…
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…
Thin Films, Coatings, and Instruments
Expert has more than fifteen years of experience in the areas of experimental thin films and coatings. The range of thin films include, AL, Cr, Ni-Cr, Pd, Au, SeGe, In, polyvinylalcohol, polyvilylchloride, Si0x, electroless Au, electroless Ni, and electroless Pd.…