Niels Skat Tiedje

Niels Skat Tiedje

Lektor

DTU MEKANIK
Institut for Mekanisk Teknologi

Sektion for Proces- og Produktionsteknologi

Danmarks Tekniske Universitet

Produktionstorvet

Bygning 425, rum 223

2800 Kgs. Lyngby

Hjemmeside

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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

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 2013     |    DOI: https://doi.org/10.4028/www.scientific.net/MSF.765.160

 

Quantification of Feeding Effects of Spot Feeding Ductile Iron Castings made in Vertically Parted Moulds

Vedel-Smith, Nikolaj Kjelgaard ; Tiedje, Niels Skat ; Sällström, J. ; Maza, K.T.
Presented at:
CastExpo and 117th Metalcasting Congress 2013

Type: Paper

Status: Published     |    År: 2013

 

Surface roughness characterization of cast components using 3D optical methods.

Nwaogu, Ugochukwu Chibuzoh ; Tiedje, Niels Skat ; Hansen, Hans Nørgaard
Presented at:
CastExpo and 117th Metalcasting Congress 2013

Type: Paper

Status: Published     |    År: 2013

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

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A TEM Study on the Microstructure of Fine Flaky Graphite

Moumeni, Elham ; Tiedje, Niels Skat ; Horsewell, Andy ; Hattel, Jesper Henri
Presented at:
52nd International Foundry Conference

Type: Conference abstract for conference

Status: Published     |    År: 2012

 

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     |    År: 2012

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Effect of titanium on the near eutectic grey iron

Moumeni, Elham ; Tiedje, Niels Skat ; Hattel, Jesper Henri
Presented at:
12th International Foundrymen Conference

Type: Conference abstract for conference

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

2009
 

3-D Analysis of Graphite Nodules in Ductile Cast Iron Using FIB-SEM

D'Angelo, Luca ; Jespersen, Freja N. ; MacDonald, A. Nicole ; da Silva Fanta, Alice Bastos ; Horsewell, Andy ; Tiedje, Niels Skat
Presented at:
European Congress on Advanced Materials and Processes 2009

Type: Conference abstract for conference

Status: Published     |    År: 2009

 

3D investigation of structures in graphite nodules in FIB-SEM

Tiedje, Niels Skat ; Horsewell, Andy
Presented at:
European Solidification Group Meeting

Type: Sound/Visual production (digital)

Status: Published     |    År: 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     |    År: 2009

 

Characterization of Coated Sand Cores from Two Different Binder Systems for Grey Iron Castings

Nwaogu, Ugochukwu Chibuzoh ; Tiedje, Niels Skat ; Poulsen, Thomas ; Bischoff, Claus
Presented at:
European Congress on Advanced Materials and Processes 2009

Type: Poster

Status: Published     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 2008

 

Støberiteknisk forskning i danmark

Tiedje, Niels Skat
Presented at:
CO-Industri Støberikonference

Type: Sound/Visual production (digital)

Status: Published     |    År: 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     |    År: 2008

  PDF

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     |    År: 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     |    År: 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     |    År: 2008

2007
 

Analysis of fracture in a cast aluminium rotor

Tiedje, Niels Skat ; Leth, Laila

Type: Report

Status: Published     |    År: 2007

  PDF

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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 2006

2005
 

Investigation of solidification of thin walled ductile cast iron using temperature measurement

Pedersen, Karl Martin ; Tiedje, Niels
part of: Størkning og støbning, 2005, Dansk Metallurgisk Selskab
Presented at:
Dansk Metallurgisk Selskab

Type: Article in proceedings

Status: Published     |    År: 2005

  PDF

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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 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     |    År: 2004

 

Slut rapport for STALPK

Svensson, Ingemar ; Tiedje, Niels ; Sørensen, Rasmus Kirkegaard

Type: Report

Status: Published     |    År: 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     |    År: 2003

 

Overlagssvejsning i affaldsanlæg

Vidstrup, Henrik ; Hald, John ; Tiedje, Niels

Type: Report

Status: Published     |    År: 2003

 

Statusrapport for Stalpk

Sørensen, Rasmus Kirkegaard ; Tiedje, Niels

Type: Report

Status: Published     |    År: 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     |    År: 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     |    År: 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     |    År: 2003

2002
2001
 

Forelæsningsnoter til 42220: Metallurgi, Design og Fremstilling af Støbte komponenter

Tiedje, Niels Skat

Type: Compendium/lecture notes

Status: Published     |    År: 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     |    År: 2001

 

Opgaver og øvelsesvejledninger til 42220: Metallurgi, Design og Fremstilling af Støbte

Tiedje, Niels Skat

Type: Compendium/lecture notes

Status: Published     |    År: 2001

1994
1992
 

Characterization of gas-atomized Cu-Sn powders

Tiedje, Niels Skat

Type: Report

Status: Published     |    År: 1992