Education

 B.S. Metallurgical Engineering, Oregon State University, 1974

 M.S. Material Science, Oregon State University, 1980

Professional Experience

 York Engineering Services, Inc., President, Owner (10/92 -      )

 AFI Associates, President, 25% Owner (10/92 -      )

 Accident & Failure Investigations, Inc., Vice Pres., Part Owner (6/79 - 10/92)         

 Oregon Metallurgical Corporation, Metallurgical Laboratory Supervisor (6/74 -5/79)

 Chemeketa Community College, part-time Instructor (9/78 - 12/78)

Engineering Registration

 Professional Engineer, State of Oregon, #11,501

Professional Societies

 The Metallurgical Society (AIME)
 (Vice Chairman - 1981; Secretary-Treasurer - 1982; & Chairman - 1983, Oregon Section)

 ASM International

 Society of Automotive Engineers

 The International Metallographic Society and Forensic Accident Reconstructionists of Oregon (FARO)

Publications

 "High Beam and Low Beam Filament Identification in Dual Filament Headlamp Sealed Beams and Replaceable Bulbs"; Human Factors: Lighting, Mirrors, and User Needs, SP-1033, Society of Automotive Engineers, Inc., February, 1994.

 "The Effect of Alpha Phase Morphology on the Mechanical Properties of Commercial Purity Titanium"; Metal Science, Vol. 17, February, 1983.

 "Corrosion Characteristics of Titanium and Stainless Steel in Solutions Containing Nitric Acid, Citric Acid, and Magnesium Chloride"; (Peter Ciriscioli--principal author), ASTM special technical publication #728, March, 1981.

 "A Metallographic Study of the Variation of Fracture Morphology of Ti-6A1-4V with Solution Treating Temperature"; Metallography, Vol. 1, 1979.    

Technical Qualifications

     Mr. York has considerable experience in accident reconstruction and failure analysis.  He has conducted numerous cause investigations of  structure and equipment fires.  He has investigated and reconstructed vehicle accidents involving automobiles, trucks and truck-trailer combinations, motorcycles, mopeds, bicycles and pedestrians.  Mr. York's experience in failure analysis involves investigations of wire rope failures, failures of aluminum castings, hydraulic components for aircraft, aluminum and wood ladders, ship cranes, axles, bearings, jack stands, vehicle hitch assemblies, hand tools, medical implants, motorcycle forks, wheels, plastic pipe, glass components, weld failures, solder connections, oil furnaces and others.  He has experience in many phases of physical testing, nondestructive examination, microstructural examination and evaluation and fracture surface examination.  He has extensive experience examining a variety of fractures of metals, plastics and glass with optical microscopes and a scanning electron microscope (SEM).  Mr. York has a broad base of knowledge of titanium and titanium alloys as a result of five years of involvement in the titanium industry.  Mr. York has testified in State and Federal courts concerning criminal and civil cases.