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Phillip Dickens

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Phillip Dickens
NationalityAmerican
OccupationAcademic, researcher
Known forResearch in high-performance computing and additive manufacturing

Phillip Dickens is an American academic affiliated with the University of Maine in Orono, Maine.[1] Over the course of his career he has produced research spanning high-performance computing, parallel input/output systems, and, more recently, metal and polymer additive manufacturing. His publication record, which totals 78 papers and 3,893 citations with an h-index of 30 according to Semantic Scholar, reflects a body of work that bridges computational systems research and materials engineering.[2] He has also served as principal or co-principal investigator on federally funded research projects supported by the National Science Foundation.[3]

Education

Dickens received a Bachelor of Arts in psychology from St. Andrews University, and a Master of Science in computer science in 1986 and a Ph.D. in computer science in 1993, both from the University of Virginia.[4] He was a staff scientist at the Institute for Computer Applications in Science and Engineering at NASA Langley Research Center, then an assistant professor of computer science at the Illinois Institute of Technology and a visiting scientist at Argonne National Laboratory, before joining the University of Maine.[4]

Career

Dickens's documented research career begins in the early 2000s with work in computational performance modeling. In 2002, while associated with the Illinois Institute of Technology, he received National Science Foundation funding of $29,986 for a project titled "End-to-End Performance Modeling of Applications Executing in the Internet2 Domain," which examined the performance characteristics of applications running across the Internet2 research network.[5]

By 2007, Dickens had moved his research base to the University of Maine, where he continued to pursue funded work in high-performance computing. That year, the National Science Foundation awarded him $311,999 for a project titled "Object-Based Caching for MPI-IO," which addressed methods for improving input/output performance in parallel computing environments that rely on the Message Passing Interface (MPI) standard.[6] In the same year, he also received a Major Research Instrumentation (MRI) award of $200,000 for the "Acquisition of a High Performance Cluster for the University of Maine Scientific Grid Portal," a project intended to expand computational infrastructure available to researchers at the university.[7] Combined, his three recorded NSF awards total $541,985 in federal research funding.[8]

Following this period of work in computing infrastructure and performance modeling, Dickens's later publication record, beginning around the mid-2010s, shifts toward materials characterization and additive manufacturing, an area in which he has published extensively through the remainder of his career at the University of Maine.[9] This body of work encompasses metal powder bed fusion processes, polymer materials for 3D printing tooling, and inkjet-based printed electronics.[10]

Research

Dickens's research portfolio reflects two broad phases of activity. The earlier phase, associated with his NSF-funded projects from 2002 through 2007, concerned distributed systems performance, including the modeling of application behavior across wide-area research networks such as Internet2 and the development of object-based caching strategies for the MPI-IO parallel input/output interface used in high-performance computing clusters.[11] This work also supported the acquisition of computational infrastructure for scientific computing at the University of Maine.[12]

The later phase of Dickens's research, which forms the majority of his highly cited output, addresses additive manufacturing and related materials science questions. A 2019 paper, "Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications," published in Additive Manufacturing, examines how laser powder bed fusion processing affects the electrical properties of copper components intended for electromagnetic applications; this paper has been cited 152 times.[13] A related 2018 study, "Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors," investigates the electrical resistivity of an aluminum-silicon-magnesium alloy produced via additive manufacturing for potential use in electric motor components, and has accumulated 109 citations.[14]

Dickens has also contributed to non-destructive evaluation techniques for additively manufactured parts. His 2017 work published in JOM, "Using Laser Ultrasound to Detect Subsurface Defects in Metal Laser Powder Bed Fusion Components," explores the application of laser ultrasound methods to identify internal flaws in metal parts produced by laser powder bed fusion, and has been cited 57 times.[15] A companion paper from the same year, "The Use of Laser Ultrasound to Detect Defects in Laser Melted Parts," extends this line of inquiry.[16]

In addition to metal additive manufacturing, Dickens has published on printed electronics and polymer materials. His 2017 paper "3D Inkjet Printing of Electronics Using UV Conversion" addresses methods for fabricating electronic components through inkjet-based additive processes using ultraviolet curing, and has been cited 70 times.[17] A related contribution, "3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications," also from 2017, has been cited 74 times.[18] He additionally authored a book chapter, "Reactive Inkjet Printing for Additive Manufacturing," published in 2017.[19]

Dickens's research has also touched on polymer science relevant to manufacturing tooling. A 2017 paper in Polymer Science Series A, "Microscopy and FTIR investigations of the thermal gelation of methylcellulose in glycols," examines the thermal gelation behavior of methylcellulose polymers using microscopy and Fourier-transform infrared spectroscopy, a topic connected to his broader work on stereolithography injection mould tooling described in a related 2018 study from Loughborough University's institutional repository, "Thermal conditions in stereolithography injection mould tooling."[20][21]

Recognition

According to Semantic Scholar metrics, Dickens's cumulative research output includes 78 papers that have collectively been cited 3,893 times, yielding an h-index of 30.[22] His most cited work, the 2019 Additive Manufacturing paper on the electrical resistivity of laser powder bed fusion-processed copper, accounts for 152 of these citations.[23] Dickens has additionally received three National Science Foundation awards over the course of his career, together totaling $541,985 in funding for projects related to high-performance computing infrastructure and parallel input/output systems.[24]

Publications

Selected publications by Phillip Dickens include:

  • "Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications," Additive Manufacturing (2019). Cited 152 times.[25]
  • "Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors" (2018). Cited 109 times.[26]
  • "3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications" (2017). Cited 74 times.[27]
  • "3D Inkjet Printing of Electronics Using UV Conversion" (2017). Cited 70 times.[28]
  • "Using Laser Ultrasound to Detect Subsurface Defects in Metal Laser Powder Bed Fusion Components," JOM (2017). Cited 57 times.[29]
  • "The Use of Laser Ultrasound to Detect Defects in Laser Melted Parts"
  1. ↑ University of Maine faculty directory.
  2. ↑ Semantic Scholar author profile for Phillip Dickens.
  3. ↑ National Science Foundation award database.
  4. ↑ 4.0 4.1 Dr. Phillip M. Dickens, School of Computing and Information Science, University of Maine, https://phillipmdickens.github.io/
  5. ↑ National Science Foundation award abstract, "End-to-End Performance Modeling of Applications Executing in the Internet2 Domain," award date September 13, 2002.
  6. ↑ National Science Foundation award abstract, "Object-Based Caching for MPI-IO," award date April 17, 2007.
  7. ↑ National Science Foundation award abstract, "MRI: Acquisition of a High Performance Cluster for the University of Maine Scientific Grid Portal," award date July 25, 2007.
  8. ↑ National Science Foundation award database.
  9. ↑ Semantic Scholar author profile for Phillip Dickens.
  10. ↑ Semantic Scholar author profile for Phillip Dickens.
  11. ↑ National Science Foundation award abstracts.
  12. ↑ National Science Foundation award abstract, "MRI: Acquisition of a High Performance Cluster for the University of Maine Scientific Grid Portal."
  13. ↑ Phillip Dickens et al., "Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications," Additive Manufacturing, 2019.
  14. ↑ Phillip Dickens et al., "Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors," 2018.
  15. ↑ Phillip Dickens et al., "Using Laser Ultrasound to Detect Subsurface Defects in Metal Laser Powder Bed Fusion Components," JOM, 2017.
  16. ↑ Phillip Dickens et al., "The Use of Laser Ultrasound to Detect Defects in Laser Melted Parts," 2017.
  17. ↑ Phillip Dickens et al., "3D Inkjet Printing of Electronics Using UV Conversion," 2017.
  18. ↑ Phillip Dickens et al., "3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications," 2017.
  19. ↑ Phillip Dickens, "Chapter 9: Reactive Inkjet Printing for Additive Manufacturing," 2017.
  20. ↑ Phillip Dickens et al., "Microscopy and FTIR investigations of the thermal gelation of methylcellulose in glycols," Polymer Science Series A, 2017.
  21. ↑ Phillip Dickens et al., "Thermal conditions in stereolithography injection mould tooling," Loughborough University Institutional Repository, 2018.
  22. ↑ Semantic Scholar author profile for Phillip Dickens.
  23. ↑ Phillip Dickens et al., "Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications," Additive Manufacturing, 2019.
  24. ↑ National Science Foundation award database.
  25. ↑ Phillip Dickens et al., Additive Manufacturing, 2019.
  26. ↑ Phillip Dickens et al., 2018.
  27. ↑ Phillip Dickens et al., 2017.
  28. ↑ Phillip Dickens et al., 2017.
  29. ↑ Phillip Dickens et al., JOM, 2017.
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