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D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
46
Citations
8465
World Ranking
1442
National Ranking
7

Niels Bay publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Niels Bay sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 294 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Niels Bay D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Niels Bay sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 46 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Overview

Niels Bay is affiliated with the Technical University of Denmark in Denmark. Their research primarily lies within the field of Engineering, with a strong focus on Mechanical Engineering and related subfields such as Mechanics of Materials, Electrical and Electronic Engineering, Biomedical Engineering, and Civil and Structural Engineering.

The main topics of Niels Bay's work include:

  • Metal Forming Simulation Techniques
  • Metallurgy and Material Forming
  • Mechanical stress and fatigue analysis
  • Adhesion, Friction, and Surface Interactions
  • Tribology and Lubrication Engineering
  • Advanced Surface Polishing Techniques
  • Powder Metallurgy Techniques and Materials

Their recent publications demonstrate a focus on the mechanical and tribological behavior of materials under deformation and surface interactions. Notable papers include:

  • "The influence of strain hardening and surface flank angles on asperity flattening under subsurface deformation at low normal pressures," 2021, Tribology International
  • "Characterization of electroless nickel plating on silicon solar cells for the front side metallization," 2022, Fraunhofer-Publica (Fraunhofer-Gesellschaft)
  • "The role of entrapped lubricant in asperity flattening under bulk plastic deformation," 2022, CIRP Annals
  • "A new test for sheet metal asperity flattening under varying subsurface strain conditions," 2023, Tribology International
  • "A discussion of model asperities as a method to study friction in metal forming," 2023, Discover Mechanical Engineering

Niels Bay frequently collaborates with several researchers. The most common coauthors include:

  • Chris Valentin Nielsen
  • Maximilian Zwicker
  • P.A.F. Martins
  • Jon Spangenberg
  • Marcel Moghadam

The majority of Niels Bay's contributions have appeared in journals such as Tribology International and CIRP Annals, complemented by publications in Discover Mechanical Engineering, Fraunhofer-Publica, and the Journal of Advanced Joining Processes. Their work encompasses both theoretical and applied research on material deformation, tribology, and related engineering processes.

Best Publications

  • Joining by plastic deformation

    Ken-ichiro Mori;Niels Bay;Livan Fratini;Fabrizio Micari

  • Theory of single point incremental forming

    P.A.F. Martins;N. Bay;M. Skjoedt;M.B. Silva

  • Environmentally benign tribo-systems for metal forming

    N. Bay;A. Azushima;P. Groche;I. Ishibashi

  • Single‐point incremental forming and formability—failure diagrams

    M B Silva;M Skjoedt;A G Atkins;N Bay

  • Revisiting the fundamentals of single point incremental forming by means of membrane analysis

    M.B. Silva;M. Skjoedt;P.A.F. Martins;N. Bay

  • Real area of contact and friction stress at high pressure sliding contact

    N. Bay;T. Wanheim

  • A model for friction in metal forming processes

    Tarras Wanheim;Niels Bay

  • Failure mechanisms in single-point incremental forming of metals.

    Maria B. Silva;Peter Søe Nielsen;Niels Bay;P. A. F. Martins

  • A theoretically determined model for friction in metal working processes

    T. Wanheim;N. Bay;A.S. Petersen

  • Cold Welding 1 Characteristics, bonding mechanisms, bond strength

    Niels Bay

  • Mechanisms producing metallic bonds in cold welding

    Niels Bay

  • Lubricant test methods for sheet metal forming

    Niels Bay;David Dam Olsson;Jan Lasson Andreasen

  • Cold Pressure Welding—The Mechanisms Governing Bonding

    Niels Bay

  • Characterization of fracture loci in metal forming

    P.A.F. Martins;Niels Bay;A.E. Tekkaya;A.G. Atkins

  • The State of the Art in Cold Forging Lubrication

    Niels Bay

  • Multi Stage Strategies for Single Point Incremental Forming of a Cup

    M. Skjoedt;N. Bay;Benny Ørtoft Endelt;G. Ingarao

  • Friction stress and normal stress in bulk metal forming processes

    Niels Bay

  • Bond strength in cold roll bonding

    N. Bay;C. Clemensen;O. Juelstorp;T. Wanheim

  • Friction in bulk metal forming: a general friction model vs. the law of constant friction

    S.B. Petersen;P.A.F. Martins;N. Bay

  • Entrapment and escape of liquid lubricant in metal forming

    Jakob Ilsted Bech;Niels Bay;Morten Eriksen

Frequent Co-Authors

Paulo A.F. Martins
Paulo A.F. Martins Instituto Superior Técnico
Jesper Henri Hattel
Jesper Henri Hattel Technical University of Denmark
Niels J. Bjerrum
Niels J. Bjerrum Technical University of Denmark
Peter Groche
Peter Groche Technical University of Darmstadt
Steen Mørup
Steen Mørup Technical University of Denmark
Taylan Altan
Taylan Altan The Ohio State University
Marion Merklein
Marion Merklein University of Erlangen-Nuremberg
Niels Hansen
Niels Hansen Technical University of Denmark
Ken-ichiro Mori
Ken-ichiro Mori Toyohashi University of Technology
Hitoshi Kitaguchi
Hitoshi Kitaguchi National Institute for Materials Science

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