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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…
Mechanical Properties of Metals
Expert has studied aluminum alloys from the 2xxx, 5xxx, 6xxx and 7xxx series and studied their grain size, tensile properties, heat treatments, corrosion resistance, and fatigue behavior (both room temperature stress - life (S-N) and crack growth behavior). His work…
Tribology, Wear, Coatings, Materials Selection, Materials Testing, Computer Modeling, Lubrication
Expert has experience with numerous types of abrasive wear problems, including the design of optimal surface topography to minimize abrasive wear. This includes surface design, wear testing, and the use of coatings in abrasive wear environments to enhance system life…
Weld Structure, Tanks, Vessels
Expert (pronounced ma-kit-ka, ) has over 35 years experience in practical applications requiring consideration of materials, toughness, impact energy and resistance, tensile strength, yield strength, and ductility of metals. This includes experience with properties of welds and weldments, and ASME…
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…
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…
Fatigue, Spate Methods, NDE, Product Liability, Thermomechanics, etc.
LIFE PREDICTION METHODOLOGIES FOR COMPONENTS OF STRUCTURES, MACHINES, AND ELECTRONIC DEVICES. Expert's work centers on life prediction methodologies for components of structures, machines, and electronic devices. The major parameters of interest are stress, strain, time, temperature, and damage. These quantities…
Cryogenic Materials
AUSTENITIC STAINLESS STEEL. Expert has expertise in the development of new nitrogen-strengthened steels. He was the U.S. representative to the High Nitrogen in Steels International Conference. He has also published three review papers and about 50 technical papers on low-temperature…
Powdered Metals & P/M Products
Expert has founded and operated businesses that produce powdered metal parts. He is the co-founder and President of his organization. The development of metals and alloys has been the focus of his career. He understands thoroughly the manufacturing process that…