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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2020
 

Creep of the Matrix During Coalescence and Overgrowth of Graphite Precipitates in a High-Silicon Spheroidal Graphite Iron Submitted to Thermal Cycling in the Ferritic Domain

Andriollo, Tito ; Lacaze, Jacques ; Tiedje, Niels Skat
in: Metallurgical and Materials Transactions A, vol: 51A, pages: 2685-2688

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1007/s11661-020-05727-y

 

Distance map based micromechanical analysis of the impact of matrix heterogeneities on the yield stress of nodular cast iron

Andriollo, Tito ; Tiedje, Niels ; Hattel, Jesper
in: Mechanics of Materials, vol: 148

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1016/j.mechmat.2020.103414

  PDF

Impact of local Si segregation on strain localization in ductile cast iron

Xu, C. L. ; Andriollo, T. ; Lin, F. ; Zhang, Y. B. ; Hattel, J. ; Tiedje, N.
in: I O P Conference Series: Materials Science and Engineering, vol: 861, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1757-899X/861/1/012038

 

Micromechanical impact of solidification regions in ductile iron revealed via a 3D strain partitioning analysis method

Xu, C. L. ; Andriollo, T. ; Zhang, Y. B. ; Hernando, J. C. ; Hattel, J. ; Tiedje, N.
in: Scripta Materialia, vol: 178, pages: 463 - 467

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1016/j.scriptamat.2019.12.018

  PDF

X-ray tomography, digital volume correlation and FE modelling: A synergistic combination to study the processing-structure-property relations in ductile iron

Andriollo, T. ; Zhang, Y. ; Fæster, S. ; Thorborg, J. ; Tiedje, N. S. ; Kouznetsova, V. ; Hattel, J.
in: IOP Conference Series: Materials Science and Engineering
Presented at:
International Conference on Modelling of Casting, Welding and Advanced Solidification Processes (MCWASP XV)

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1757-899X/861/1/012037

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, vol: 28, issue: 7, pages: 3922–3928

Type: Journal article (Peer reviewed)

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

  PDF

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, vol: 30

Type: Journal article (Peer reviewed)

Status: Published     |    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
  PDF

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