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
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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

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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, 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
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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

 

Geometric form of gating system elements and its influence on the initial filling phase

Dojka, R. ; Jezierski, Jan ; Tiedje, N. S.
part of: 73rd World Foundry Congress (WFC 2018) Creative Foundry, pages: 345-346, 2019, World Foundry Organization
Presented at:
73rd World Foundry Congress (WFC 2018)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2018

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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

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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

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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

 

Use of high intensity X-ray analysis as tool to create new, fundamental models for phase transformations and residual stress in ductile cast iron

Tiedje, N. S. ; Bjerre, M. K. ; Andriollo, T. ; Azeem, M. ; Zhang, Y. ; Fæster, S. ; Lee, P. D. ; Hattel, J. H.
part of: 73rd World Foundry Congress (WFC 2018) Creative Foundry, pages: 239-240 , 2019, World Foundry Organization
Presented at:
73rd World Foundry Congress (WFC 2018)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2018

2017
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A Contribution to the Understanding of the Combined Effect of Nitrogen and Boron in Grey Cast Iron

Strande, Knud ; Tiedje, Niels Skat ; Chen, Ming
in: International Journal of Metalcasting, vol: 11, issue: 1, pages: 61-70

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s40962-016-0079-6

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Kinetics modeling of delta-ferrite formation and retainment during casting of supermartensitic stainless steel

Nießen, Frank ; Tiedje, Niels Skat ; Hald, John
in: Materials & Design, vol: 118, pages: 138-145

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.matdes.2017.01.026

2016
 

A contribution to the understanding of the combined effect of nitrogen and boron in grey cast iron

Strande, Knud ; Tiedje, Niels Skat ; Chen, Ming
part of: 72nd World Foundry Congress (WFC 2016): Proceedings of a meeting held 21-25 May 2016, Nagoya, Japan. , pages: 127-128, 2017, World Foundry Organization
Presented at:
72nd World Foundry Congress (WFC 2016)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

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A micro-mechanical analysis of thermo-elastic properties and local residual stresses in ductile iron based on a new anisotropic model for the graphite nodules

Andriollo, Tito ; Thorborg, Jesper ; Tiedje, Niels Skat ; Hattel, Jesper Henri
in: Modelling and Simulation in Materials Science and Engineering, vol: 24, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1088/0965-0393/24/5/055012

 

Bonding mechanisms in spot welded three layer combinations

Moghadam, Marcel ; Tiedje, Niels Skat ; Seyyedian Choobi, Mahsa ; Nielsen, Chris Valentin ; Pantleon, Karen ; Bay, Niels Oluf
part of: Proceedings of 9th International Seminar & Conference on Advances in Resistance Welding , 2016
Presented at:
9th International Seminar & Conference on Advances in Resistance Welding

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

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Moisture diffusion coefficients determination of furan bonded sands and water based foundry coatings

Di Muoio, Giovanni Luca ; Tiedje, Niels Skat
in: The International Journal of Cast Metals Research, vol: 29, issue: 3, pages: 121-128

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1179/1743133615Y.0000000038

 

Step-height measurements on sand surfaces: A comparison between optical scanner and coordinate measuring machine

Mohaghegh, Kamran ; Yazdanbakhsh, Seyed Alireza ; Tiedje, Niels Skat ; De Chiffre, Leonardo
part of: Proceedings of euspen’s 16th International Conference & Exhibition,, 2016
Presented at:
euspen’s 16th International Conference & Exhibition

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

 

Traceability of optical length measurements on sand surfaces

Mohaghegh, Kamran ; Yazdanbakhsh, Seyed Alireza ; Tiedje, Niels Skat ; De Chiffre, Leonardo
part of: Proceedings of euspen’s 16th International Conference & Exhibition, 2016
Presented at:
euspen’s 16th International Conference & Exhibition

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

2015
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Achieving Control of Coating Process in your Foundry

Di Muoio, G. L. ; Tiedje, N. S.
in: Archives of Foundry Engineering, vol: 15, issue: 4, pages: 110-114

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1515/afe-2015-0089

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Modeling of damage in ductile cast iron – The effect of including plasticity in the graphite noduless

Andriollo, Tito ; Thorborg, Jesper ; Tiedje, Niels Skat ; Hattel, Jesper Henri
in: I O P Conference Series: Materials Science and Engineering, vol: 84
Presented at:
14th International Conference on Modelling of Casting, Welding and Advanced Solidification Processes

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1088/1757-899X/84/1/012027

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Modelling the solidification of ductile cast iron parts with varying wall thicknesses

Bjerre, Mathias Karsten ; Tiedje, Niels Skat ; Thorborg, Jesper ; Hattel, Jesper Henri
in: I O P Conference Series: Materials Science and Engineering, vol: 84
Presented at:
14th International Conference on Modelling of Casting, Welding and Advanced Solidification Processes

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1088/1757-899X/84/1/012038

 

Thermal distortion of disc-shaped ductile iron castings in vertically parted moulds

Vedel-Smith, Nikolaj Kjelgaard ; Rasmussen, Jakob ; Tiedje, Niels Skat
in: Journal of Materials Processing Technology, vol: 217, pages: 262-271

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.jmatprotec.2014.11.025

2014
 

A TEM Study on the Ti-Alloyed Grey Iron

Moumeni, Elham ; Tiedje, Niels Skat ; Grumsen, Flemming Bjerg ; Danielsen, Hilmar Kjartansson ; Horsewell, Andy ; Hattel, Jesper Henri
part of: TMS2014 Annual Meeting Supplemental Proceedings, pages: 943-950, 2014, Minerals, Metals & Materials Society
Presented at:
TMS 2014 143rd Annual Meeting and ExhibitionAnnual Meeting & ExhibitionAnnual Meeting & Exhibition20

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/9781118889879.ch111

 

Effect of Feeder Configuration on the Microstructure of Ductile Cast Iron

Vedel-Smith, Nikolaj Kjelgaard ; Tiedje, Niels Skat
part of: Shape Casting: 5th International Symposium 2014, pages: 113-120, 2014, Wiley
Presented at:
Shape casting : 5th International Symposium 2014

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/9781118888100.ch14

 

Feeding Against Gravity with Spot Feeders in High Silicon Ductile Iron

Vedel-Smith, Nikolaj Kjelgaard ; Tiedje, Niels Skat
part of: Proceedings of 10th International Symposium on the Science and Processing of Cast Iron - SPCI10, 2014, INTEMA
Presented at:
10th International Symposium on the Science and Processing of Cast Iron

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

2013
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A new multi-zone model for porosity distribution in Al–Si alloy castings

Tiedje, Niels Skat ; Taylor, John A. ; Easton, Mark A.
in: Acta Materialia, vol: 61, issue: 8, pages: 3037-3049

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.actamat.2013.01.064

 

A non-contact 3D method to characterize the surface roughness of castings

Nwaogu, Ugochukwu Chibuzoh ; Tiedje, Niels Skat ; Hansen, Hans Nørgaard
in: Journal of Materials Processing Technology, vol: 213, issue: 1, pages: 59-68

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.jmatprotec.2012.08.008

 

Investigation on the Effect of Sulfur and Titanium on the Microstructure of Lamellar Graphite Iron

Moumeni, Elham ; Stefanescu, Doru Michael ; Tiedje, Niels Skat ; Larrañaga, Pello ; Hattel, Jesper Henri
in: Metallurgical and Materials Transactions A, vol: 44, issue: 11, pages: 5134-5146

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1007/s11661-013-1897-2

 

Modelling Eutectic Growth in Unmodified and Modified Near-Eutectic Al-Si Alloy

Tiedje, Niels Skat ; Hattel, Jesper Henri ; Taylor, John A. ; Easton, Mark A.
in: Materials Science Forum, vol: 765, pages: 160-164
Presented at:
6th International Light Metals Technology Conference

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.4028/www.scientific.net/MSF.765.160

2012
 

Analysis of nucleation modelling in ductile cast iron

Moumeni, Elham ; Tutum, Cem Celal ; Tiedje, Niels Skat ; Hattel, Jesper Henri
part of: 13rd International conference on advances in solidification process, 2011
Presented at:
ICASP3

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1088/1757-899X/27/1/012062

 

A solidification model for unmodified, Na-modified and Sr-modified Al-Si alloys

Tiedje, Niels Skat ; Hattel, Jesper Henri ; Taylor, J. A. ; Easton, M. A.
part of: The 3rd International Conference on Advances in Solidification Processes, Rolduc Abbey 2011, pages: 012033, 2012, IOP Publishing
Presented at:
ICASP-3

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1088/1757-899X/27/1/012033

 

Design and production of a novel sand materials strength testing machine for foundry applications

Nwaogu, Ugochukwu Chibuzoh ; Hansen, K. S. ; Tiedje, Niels Skat
in: International Foundry Research, vol: 64, issue: 2

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012

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Feeding and Distribution of Porosity in Cast Al-Si Alloys as Function of Alloy Composition and Modification

Tiedje, Niels Skat ; Taylor, John A. ; Easton, Mark A.
in: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, vol: 43, issue: 12, pages: 4846-4858

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1007/s11661-012-1308-0

 

Mechanical properties of chemically bonded sand core materials dipped in sol-gel coating impregnated with filter

Nwaogu, Ugochukwu Chibuzoh ; Tiedje, Niels Skat
in: International Journal of Cast Metals Research, vol: 25, issue: 5, pages: 307-317

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1179/1743133612Y.0000000013

 

Using sol-gel component as additive to foundry coatings to improve casting quality

Nwaogu, Ugochukwu Chibuzoh ; Poulsen, T. ; Gravesen, B. ; Tiedje, Niels Skat
in: International Journal of Cast Metals Research, pages: 176-187

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1179/1743133611Y.0000000038

2011
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Foundry Coating Technology: A Review

Nwaogu, Ugochukwu Chibuzoh ; Tiedje, Niels Skat
in: Materials Sciences and Applications, vol: 2, issue: 8, pages: 1143-1160

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.4236/msa.2011.28155

 

Investigation of the stability of melt flow in gating systems

Tiedje, Niels Skat ; Larsen, Per
in: Metallurgical and Materials Transactions B - Process Metallurgy and Materials Processing Science, vol: 42B, issue: 1, pages: 189-201

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1007/s11663-010-9446-5

 

New sol–gel refractory coatings on chemically-bonded sand cores for foundry applications to improve casting surface quality

Nwaogu, Ugochukwu Chibuzoh ; Poulsen, T. ; Stage, R.K. ; Bischoff, C. ; Tiedje, Niels Skat
in: Surface and Coatings Technology, vol: 205, issue: 16, pages: 4035-4044

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.surfcoat.2011.02.042

2010
 

Emission of organic compounds from mould and core binders used for casting iron, aluminium and bronze in sand moulds

Tiedje, Niels Skat ; Crepaz, Rudolf ; Eggert, Torben ; Bey, Niki
in: Journal of Environmental Science and Health. Part A: Toxic Hazardous Substances and Environmental Engineering, vol: 45, issue: 14, pages: 1866-1876

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1080/10934529.2010.520595

 

Influence of New Sol-gel Refractory Coating on the Casting Properties of Cold Box and Furan Cores for Grey Cast iron.

Nwaogu, Ugochukwu Chibuzoh ; Poulsen, T. (Invited author) ; Bischoff, C (Invited author) ; Tiedje, Niels Skat
part of: WFC2010, 2010
Presented at:
69. World Foundry Congress

Type: Article in proceedings (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2010

 

Solidification, processing and properties of ductile cast iron

Tiedje, Niels Skat
in: Materials Science and Technology, vol: 26, issue: 5, pages: 505-514

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1179/026708310X12668415533649

2009
 

Analyse experimentale des flux des fonte G.I. dans les systèmes d´alimentation à débit Côntrolé

Skov-Hansen, Søren ; Green, Nick R. ; Tiedje, Niels Skat
in: Hommes et Fonderie, vol: 396, pages: 9-16

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009

 

Influence of rare earths on shrinkage porosity in thin walled ductile cast iron

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: International Journal of Cast Metals Research, vol: 22, issue: 1-4, pages: 302-305
Presented at:
International Conference on Advances in Solidification Process

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1179/136404609X367830

 

Solidification paths in modified Inconel 625 weld overlay material

Chandrasekaran, Karthik ; Tiedje, Niels Skat ; Hald, John
in: International Journal of Cast Metals Research, vol: 22, issue: 1-4, pages: 306-310
Presented at:
2nd International Conference on Advances in Solidification Processes

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1179/136404609X368046

2008
 

Experimental analysis of flow of ductile cast iron in stream lined gating systems

Skov-Hansen, Søren ; Green, Nick ; Tiedje, Niels Skat
in: Giessereiforschung, vol: 60, issue: 4, pages: number 03
Presented at:
68th World Foundry Congress

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2008

 

Experimental analysis of flow of ductile cast iron in stream lined gating systems

Skov-Hansen, Søren Peter ; Green, Nick R. ; Tiedje, Niels Skat
part of: World Foundry Congress, pages: 173-176, 2008
Presented at:
68th World Foundry Congress

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

  PDF

Graphite nodule count and size distribution in thin-walled ductile cast iron

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: Materials Characterization, vol: 59, issue: 8, pages: 1111-1121

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1016/j.matchar.2007.09.001

 

Influence of rare earths on shrinkage porosities in thin walled ductile cast iron

Pedersen, Karl Martin ; Tiedje, Niels Skat
part of: 2. International conference on advances in solidification processes, 2008
Presented at:
2nd International Conference on Advances in Solidification Processes

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

 

Reduced energy consumption by using streamlined gating systems

Skov-Hansen, Søren ; Tiedje, Niels Skat
part of: The 8th China Foundry Association Congress, 2008
Presented at:
China Foundry Association Congress

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

 

Resource savings by optimising process conditions in foundries

Tiedje, Niels Skat ; Drivsholm, Christian ; Skov-Hansen, Søren Peter ; Crepaz, Rudolf
part of: World Foundry Congress, pages: 251-254, 2008
Presented at:
68th World Foundry Congress

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

 

Substitution af bly i tøndeformede synk til erhvervsfiskeredskaber

Tiedje, Niels Skat ; Holt, Henrik Tobias ; Møller, Rasmus Hauberg ; Himmelstrup, Jacob

Type: Report (Peer reviewed)

Status: Published     |    Year: 2008

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Temperature measurement during solidification of thin wall ductile cast iron. Part 1: Theory and experiment

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: Measurement, vol: 41, issue: 5, pages: 551

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1016/j.measurement.2007.05.002

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Temperature measurement during solidification of thin wall ductile cast iron. Part 2: Numerical simulations

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: Measurement, vol: 41, issue: 4, pages: 341-348

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1016/j.measurement.2007.05.003

 

Undercooling, nodule count and carbides in thin walled ductile cast iron

Pedersen, Karl Martin ; Tiedje, Niels Skat
part of: Proceedings of the 68th World Foundry Congress, pages: 167-171, 2008, World Foundry Organization
Presented at:
68th World Foundry Congress

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

2007
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Experimental validation of error in temperature measurements in thin walled ductile iron castings

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: International Journal of Cast Metals Research, vol: 20, issue: 2, pages: 84-89

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1179/136404607X226838

 

Undercooling and nodule count in thin walled ductile iron castings

Pedersen, Karl Martin ; Tiedje, Niels Skat
part of: Solidification Processing 2007, pages: 456-461, 2007, Department of Engineering Materials, University of Sheffield, Great Britain
Presented at:
5th decennial international conference on solidification processing

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2007

  PDF

Undercooling and nodule count in thin walled ductile iron castings

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: International Journal of Cast Metals Research, vol: 20, issue: 3, pages: 145-150

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1179/136404607X239816

2006
 

Numerical modelling of solidification of thin walled hypereutectic ductile cast iron

Pedersen, Karl Martin ; Hattel, Jesper ; Tiedje, Niels
part of: Modeling of Casting, Welding and Advanced Solidification Processes XI, 2006
Presented at:
11th International Concerence on Modeling of Casting, Welding and Advanced Solidification Processes XI

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2006

  PDF

Numerical modelling of thin-walled hypereutectic ductile cast iron parts

Pedersen, Karl Martin ; Hattel, Jesper Henri ; Tiedje, Niels Skat
in: Acta Materialia, vol: 54, pages: 5103-5114

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2006     |    DOI: https://doi.org/10.1016/j.actamat.2006.06.049

 

Segregation effects and phase developments during solidification of alloy 625

Højerslev, Christian ; Tiedje, Niels Skat ; Hald, John
part of: Solidification and Gravity Iv Material Science Forum, pages: 373-378, 2006, Trans Tech Publications Ltd., Zurich-uetikon

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2006

  PDF

Solidification of Hypereutectic Thin Wall Ductile Cast Iron

Pedersen, Karl Martin ; Tiedje, Niels Skat
part of: Solidification and Gravity IV Material Science Forum, pages: 63-68, 2006, Trans Tech Publications Ltd., Zurich-uetikon
Presented at:
Fourth international conference on solidification and gravity

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2006

 

Stream-lined Gating Systems with Improved Yield - Dimensioning and Experimental Validation

Tiedje, Niels Skat ; Skov-Hansen, Søren Peter
Presented at:
World Foundry Congress

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2006

2005
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Nucleation and solidification of thin walled ductile iron - Experiments and numerical simulation

Pedersen, Karl Martin ; Tiedje, Niels Skat
in: Materials Science and Engineering: A - Structural Materials: Properties, Microstructure and Processing, vol: 413-414, pages: 358-362
Presented at:
International Conference on Advances in Solidification Processes

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2005     |    DOI: https://doi.org/10.1016/j.msea.2005.08.158

 

Understanding local limited performance of nickel based weld clad material in terms of segregation effects

Højerslev, Christian ; Tiedje, Niels Skat ; Hald, John
part of: Dansk Metallurgisk Selskabs Vintermøde, 2005
Presented at:
Dansk Metallurgisk Selskabs vintermøde 2005

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2005

2004
 

Fundamental Metallurgy of Solidification

Tiedje, Niels
part of: Dansk Metallurgisk Selskab, Vintermøde, 2004, Dansk Metallurgisk Selskab
Presented at:
Dansk Metallurgisk Selskab Vintermøde 2004

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2004

 

Iron melt flow in thin-walled sections using vertically parted moulds

Larsen, Per ; Tiedje, Niels
part of: World Foundry Congress, 2004
Presented at:
66.th World Foundry Congress

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2004

 

Segregation behaviour and phase developments during solidification of Inconel 625; effect of iron and carbon

Højerslev, Christian ; Tiedje, Niels ; Hald, John
part of: 4'th. International Conference on Solidification and Gravity, 2004, Trans Tech Publications
Presented at:
4'th. International Conference on Solidification and Gravity

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2004

 

Segregation Effects and Phase Developments during Solidification of Alloy 625 - Effect of iron and Carbon

Højerslev, Christian ; Tiedje, Niels ; Hald, John
part of: 4th int. Conference on Solidification and Gravity, 2004
Presented at:
4th int. Conference on Solidification and Gravity

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2004

2003
 

Microstructure of Magnesium alloy AZ91-HP cast in permanent and non-permanent moulds

Tiedje, Niels ; Sørensen, Rasmus Kirkegaard ; Albachari, Sami
part of: Creating a Sustainable Competitive Edge for Magnesium, 2003, Normac, Herning
Presented at:
Normac's 2'nd international magnesium Conference & Exhibition

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2003

 

Støberiteknik ved DTU. Status for 2002. Del 1.

Tiedje, Niels
in: Støberiet, vol: 2, pages: 11-14

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2003

 

Støberiteknik ved DTU, Status for 2002. Del 2.

Tiedje, Niels
in: Støberiet, vol: 3, pages: [5 pp.]

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2003

 

Støbte materialer, nu og i fremtiden

Tiedje, Niels
part of: Metalliske Konstruktionsmaterialer, 2003, Dansk Metallurgisk Selskab
Presented at:
Dansk Metallurgisk Selskabs Vintermøde 2003

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2003

2001
 

Forsøg med alternative legeringer til erstatning af blyholdige bronzer

Tiedje, Niels ; Broberg, Ole ; Hansen, Jesper B ; Olsen, Preben ; Petersen, Rolf ; Sørensen, K.G.

Type: Book (Peer reviewed)

Status: Published     |    Year: 2001