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Associate Director of Laboratories
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Miscellaneous Information

Sam McFadden performs metallurgical failure analyses for a broad range of clients and industries including electric power production, petroleum refining, federal and state government oversight agencies, transportation, manufacturing, and construction. He also provides litigation support including expert witness services and testimony in his areas of expertise.

Prior to joining Anamet, Sam was employed by Sandia National Laboratories in Livermore, California, where he was a member of an experimental solid mechanics and materials group. Sam’s graduate research work was in the field of microstructural and mechanical properties of nanocrystalline metals and intermetallics. His prior work experience was in nondestructive inspection (NDE) within the aerospace, construction, and fossil fuel energy industries.



Ph.D., Materials Science and Engineering, University of California, Davis, 2001

B.S., Materials Engineering, California Polytechnic State University, San Luis Obispo, 1996


Professional Affiliations

Member, ASTM International


Publications and Reports

Metallurgical Evaluation of Fractured Winch Restraints Involved in the June 24, 2015 Fatal Accident at the Upper Narrows Pipeline Replacement Project, 15445 Kemper Campbell Ranch Road, Victorville, CA, prepared for the California Department of Industrial Relations Division of Occupational Safety and Health (Cal/OSHA) Mining and Tunneling Unit, Dec. 22, 2015.

Metallurgical Evaluation of Williams Olefins Ruptured Reboiler EA-425B, prepared for the U.S. Chemical Safety and Hazard Investigation Board (CSB), Report No. 5004.9095 B, September 2016.

Metallurgical Evaluation of Samples from the Chevron U.S.A. Inc., Richmond #4 Crude Unit 8-Inch and 12-Inch Sidecut Piping Involved in the August 6, 2012, Hydrocarbon Release and Fire, prepared for the U.S. Chemical Safety and Hazard Investigation Board (CSB), Report No. 5004.7920 B, Feb. 11, 2013.

S.X. McFadden, J.S. Korellis, K.L. Lee. Experiments for calibration and validation of plasticity and failure material modeling: 304L stainless steel. SAND2007-0375. 

B.P. Somerday, S.X. McFadden, D.K. Balch, J.D. Puskar, D.H. Cadden. Hydrogen-Assisted Fracture of Inertia Welds in 21Cr-6Ni-9Mn Stainless Steel, presented at the Environment-Induced Cracking of Metals conference, Banff, Canada, Sept. 2004.

S.X. McFadden, R.S. Mishra, R.Z. Valiev, A.P. Zhilyaev, A.K. Mukherjee. Low-temperature superplasticity in nanostructured nickel and metal alloys. Nature. 1999;398(6729):684-686.


Project Experience

Recent projects in which Sam has been involved include:

  • Metallurgical failure investigation of brazed aluminum plate-fin heat exchanger involved in a natural gas release and fire
  • Metallurgical evaluation of alloy HP-50 steam methane reformer furnace tubes
  • Metallurgical evaluation of a fractured valve weld neck from an ammonia recovery unit


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