Niels Skat Tiedje

Niels Skat Tiedje

Associate Professor

DTU MECHANICAL ENGINEERING
Department of Mechanical Engineering

Section of Manufacturing Engineering

Technical University of Denmark

Produktionstorvet

Building 425, room 223

2800 Kgs. Lyngby

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2019
  PDF

Geometric Form of Gating System Elements and Its Influence on the Initial Filling Phase

Dojka, Rafal ; Jezierski, Jan ; Tiedje, Niels Skat
in: Journal of Materials Engineering and Performance

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019     |    DOI: https://doi.org/10.1007/s11665-019-03973-9

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Keyhole-induced porosities in Laser-based Powder Bed Fusion (L-PBF) of Ti6Al4V: High-fidelity modelling and experimental validation

Bayat, Mohamad ; Thanki, Aditi ; Mohanty, Sankhya ; Witvrouw, Ann ; Yang, Shoufeng ; Thorborg, Jesper ; Skat Tiedje, Niels ; Hattel, Jesper Henri
in: Additive Manufacturing

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.addma.2019.100835

 

Microstructure and residual elastic strain at graphite nodules in ductile cast iron analyzed by synchrotron X-ray microdiffraction

Zhang, Y. B. ; Andriollo, T. ; Fæster, S. ; Barabash, R. ; Xu, R. ; Tiedje, N. ; Thorborg, J. ; Hattel, J. ; Juul Jensen, D. ; Hansen, N.
in: Acta Materialia, vol: 167, pages: 221-230

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.actamat.2019.01.038

2018
 

A graphite nodule growth model validated by in situ synchrotron x-ray tomography

Bjerre, M. K. ; Azeem, M. A. ; Tiedje, N. S. ; Thorborg, J. ; Lee, P. D. ; Hattel, J. H.
in: Modelling and Simulation in Materials Science and Engineering, vol: 26, issue: 8, pages: 085012

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1361-651X/aae9ce

 

Analysis of Local Conditions on Graphite Growth and Shape During Solidification of Ductile Cast Iron

Tiedje, Niels S. ; Bjerre, Mathias K. ; Azeem, Mohammed A. ; Hattel, Jesper H. ; Lee, Peter D.
in: Transactions of the Indian Institute of Metals, vol: 71, issue: 11, pages: 2699-2705

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1007/s12666-018-1448-z

  PDF

Residual Stresses around Individual Graphite Nodules in Ductile Iron: Impact on the Tensile Mechanical Properties

Andriollo, Tito ; Thorborg, Jesper ; Tiedje, Niels Skat ; Hattel, Jesper Henri
in: Materials Science Forum, vol: 925, pages: 465-472

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.4028/www.scientific.net/MSF.925.465

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Revisiting models for spheroidal graphite growth

Bjerre, Mathias K. ; Azeem, Mohammed ; Lee, Peter D. ; Hattel, Jesper H. ; Tiedje, Niels S.
in: Materials Science Forum, vol: 925, pages: 118-124
Presented at:
11th International Symposium on the Science and Processing of Cast Iron

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.4028/www.scientific.net/MSF.925.118

  PDF

Synchrotron quantification of graphite nodule evolution during the solidification of cast iron

Azeem, M.A. ; Bjerre, M. K. ; Atwood, R.C. ; Tiedje, N. ; Lee, P. D.
in: Acta Materialia, vol: 155, pages: 393-401

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.actamat.2018.06.007

 

Uncovering the local inelastic interactions during manufacture of ductile cast iron: How the substructure of the graphite particles can induce residual stress concentrations in the matrix

Andriollo, Tito ; Hellström, Kristina ; Sonne, Mads Rostgaard ; Thorborg, Jesper ; Tiedje, Niels Skat ; Hattel, Jesper Henri
in: Journal of the Mechanics and Physics of Solids, vol: 111, pages: 333–357

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.jmps.2017.11.005