Dr. Erik Pfeif is a Senior Consultant at Engineering Systems Inc. (ESi) with over 15 years of experience in applied engineering, materials characterization, and materials processing. Dr. Pfeif specializes in metallurgical failure analysis and prevention, non-destructive evaluation, welding metallurgy, corrosion of materials, and physical metallurgy. Additionally, he has experience in assessment of manufacturing processes, small scale mechanical testing, government proposal writing, and experimental test stand development. Before joining ESi, Dr. Pfeif spent most of his career conducting applied research and development of materials. He has worked on improving mineral processing technologies at Disa Technologies; additive manufacturing and systems design at 3DSystems; failure analysis, process qualification, and high-temperature superalloy development at Johns Manville; and laser welding and thermophysical property measurement research at the National Institute of Standards and Technology. These experiences have provided Dr. Pfeif with experience in designing, developing, and testing the performance of diverse products, materials, and systems.
Areas of Expertise
Professional Associations
Publications
- Time-resolved absorptance and melt pool dynamics during intense laser irradiation of a metal, Physical review applied, 10(4), 044061, January 2018
- Dynamic and absolute measurements of laser coupling efficiency during laser spot welds, Procedia CIRP, 74, 632-635, January 2018
- Low-cycle fatigue behavior of fiber-laser welded, corrosion-resistant, high-strength low alloy sheet steel, Materials & Design, 121, 393-405, January 2017
- Data resources for thermophysical properties of metals and alloys, Part 1: Structured data capture from the archival literature, Calphad, 56, 126-138, January 2017
- Fiber laser welding of dual-phase galvanized sheet steel (DP590): traditional analysis and new quality assessment techniques, SPIE LASE, 97410I-12, January 2016
- Perspective: Data infrastructure for high throughput materials discovery, APL Materials, 4(5), 053203, January 2016