Instrumentation Expert Witnesses: 2

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Dr. David W. Riley is an Extrusion Analysis & Plastics Rheological Consultant. Dr. Riley has spent over nineteen years as a consultant in the field of Plastic Processing. He has over forty years of experience in developing Polymer Defect Technology and fifteen years in developing the field of Plastic and Polymer coefficient of friction related to the feed section of the extruder.

Areas of Expertise:

Expert Witness
Analytical Instrumentation Adaptation to Processing Equipment
Friction Analysis
Melt Rheology
Extrusion Equipment: Design & Analysis of Production
Telecommunication Cables and Insulation
Power Cables and Testing XLDPE
All phases of PVC Compounding & Extrusion
Thermal Stability of Polymers
Surface Chemistry, Metals & Polymers

• View Dr. Riley's Curriculum Vitae

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Arun Kumar, Ph.D. has 45 years of experience in Metallurgy, Materials Science and Failure Analysis of Metallic and Non-Metallic Materials at Rockwell International, Hughes Aircraft Company and EAG Laboratories. He manages and supervises approximately 10 engineers and technicians performing a variety of analytical services and failure analysis. Dr. Kumar provides metallurgical consultation, performs failure analysis and serves as an expert witness in product liability trials involving materials failures. He has extensive experience in metallurgical failure analysis of aircraft, helicopter, automobile and motorcycle components, machineries, medical implants, machine tools, household appliances and wildfire investigations involving utilities.

• Dr. Arun Kumar