• Produktionstorvet, 425, 223

    2800 Kgs. Lyngby

    Denmark

1991 …2020

Research output per year

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Research Output

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

Andriollo, T., Tiedje, N. & Hattel, J., 2020, In : Mechanics of Materials. 148, 10 p., 103414.

Research output: Contribution to journalJournal articleResearchpeer-review

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

Xu, C. L., Andriollo, T., Lin, F., Zhang, Y. B., Hattel, J. & Tiedje, N., 2020, In : I O P Conference Series: Materials Science and Engineering. 861, 1, 5 p., 012038.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
18 Downloads (Pure)

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., 2020, In : Scripta Materialia. 178, p. 463 - 467

Research output: Contribution to journalJournal articleResearchpeer-review

11 Downloads (Pure)
2019

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

Dojka, R., Jezierski, J. & Tiedje, N. S., 2019, In : Journal of Materials Engineering and Performance. 28, 7, p. 3922–3928

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
139 Downloads (Pure)

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

Bayat, M., Thanki, A., Mohanty, S., Witvrouw, A., Yang, S., Thorborg, J., Skat Tiedje, N. & Hattel, J. H., 2019, In : Additive Manufacturing. 30, 18 p., 100835.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
174 Downloads (Pure)

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., 2019, In : Acta Materialia. 167, p. 221-230

Research output: Contribution to journalJournal articleResearchpeer-review

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., 2018, In : Modelling and Simulation in Materials Science and Engineering. 26, 8, p. 085012 20 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
93 Downloads (Pure)

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

Tiedje, N. S., Bjerre, M. K., Azeem, M. A., Hattel, J. H. & Lee, P. D., 2018, In : Transactions of the Indian Institute of Metals. 71, 11, p. 2699-2705

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
40 Downloads (Pure)
Open Access
File
16 Downloads (Pure)

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

Dojka, R., Jezierski, J. & Tiedje, N. S., 2018, 73rd World Foundry Congress (WFC 2018) Creative Foundry: Proceedings of a meeting held 23-27 September 2018, Krakow, Poland. Young Researchers' Seminar . World Foundry Organization, p. 345-346

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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

Andriollo, T., Thorborg, J., Tiedje, N. S. & Hattel, J. H., 2018, In : Materials Science Forum. 925, p. 465-472

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
336 Downloads (Pure)

Revisiting models for spheroidal graphite growth

Bjerre, M. K., Azeem, M., Lee, P. D., Hattel, J. H. & Tiedje, N. S., 2018, In : Materials Science Forum. 925, p. 118-124

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
File
226 Downloads (Pure)

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., 2018, In : Acta Materialia. 155, p. 393-401

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
236 Downloads (Pure)
96 Downloads (Pure)

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., 2018, 73rd World Foundry Congress (WFC 2018) Creative Foundry: Proceedings of a meeting held 23-27 September 2018, Krakow, Poland. Young Researchers' Seminar . World Foundry Organization, p. 239-240

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

6 Downloads (Pure)
2017

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

Strande, K., Tiedje, N. S. & Chen, M., 2017, In : International Journal of Metalcasting. 11, 1, p. 61-70 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
503 Downloads (Pure)

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

Nießen, F., Tiedje, N. S. & Hald, J., 2017, In : Materials & Design. 118, p. 138-145

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
328 Downloads (Pure)
2016

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

Strande, K., Tiedje, N. S. & Chen, M., 2016, 72nd World Foundry Congress (WFC 2016): Proceedings of a meeting held 21-25 May 2016, Nagoya, Japan. . World Foundry Organization, p. 127-128

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Bonding mechanisms in spot welded three layer combinations

Moghadam, M., Tiedje, N. S., Seyyedian Choobi, M., Nielsen, C. V., Pantleon, K. & Bay, N. O., 2016, Proceedings of 9th International Seminar & Conference on Advances in Resistance Welding . 12 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2 Downloads (Pure)

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

Di Muoio, G. L. & Tiedje, N. S., 2016, In : The International Journal of Cast Metals Research. 29, 3, p. 121-128 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
245 Downloads (Pure)

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

Mohaghegh, K., Yazdanbakhsh, S. A., Tiedje, N. S. & De Chiffre, L., 2016, Proceedings of euspen’s 16th International Conference & Exhibition,. 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Traceability of optical length measurements on sand surfaces

Mohaghegh, K., Yazdanbakhsh, S. A., Tiedje, N. S. & De Chiffre, L., 2016, Proceedings of euspen’s 16th International Conference & Exhibition. 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2015

Achieving Control of Coating Process in your Foundry

Di Muoio, G. L. & Tiedje, N. S., 2015, In : Archives of Foundry Engineering. 15, 4, p. 110-114

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
278 Downloads (Pure)

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

Andriollo, T., Thorborg, J., Tiedje, N. S. & Hattel, J. H., 2015, In : I O P Conference Series: Materials Science and Engineering. 84, 9 p., 012027.

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
File
455 Downloads (Pure)

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

Bjerre, M. K., Tiedje, N. S., Thorborg, J. & Hattel, J. H., 2015, In : I O P Conference Series: Materials Science and Engineering. 84, 9 p., 012038.

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
File
274 Downloads (Pure)

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

Vedel-Smith, N. K., Rasmussen, J. & Tiedje, N. S., 2015, In : Journal of Materials Processing Technology. 217, p. 262-271

Research output: Contribution to journalJournal articleResearchpeer-review

2014

A TEM Study on the Ti-Alloyed Grey Iron

Moumeni, E., Tiedje, N. S., Grumsen, F. B., Danielsen, H. K., Horsewell, A. & Hattel, J. H., 2014, TMS2014 Annual Meeting Supplemental Proceedings. Minerals, Metals & Materials Society, p. 943-950

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Effect of Feeder Configuration on the Microstructure of Ductile Cast Iron

Vedel-Smith, N. K. & Tiedje, N. S., 2014, Shape Casting: 5th International Symposium 2014. Tiryakioǧlu, M., Campbell, J. & Byczynski, G. (eds.). Wiley, p. 113-120

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Feeding Against Gravity with Spot Feeders in High Silicon Ductile Iron

Vedel-Smith, N. K. & Tiedje, N. S., 2014, Proceedings of 10th International Symposium on the Science and Processing of Cast Iron - SPCI10. INTEMA, 7 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2013

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

Tiedje, N. S., Taylor, J. A. & Easton, M. A., 2013, In : Acta Materialia. 61, 8, p. 3037-3049

Research output: Contribution to journalJournal articleResearchpeer-review

File
463 Downloads (Pure)

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

Nwaogu, U. C., Tiedje, N. S. & Hansen, H. N., 2013, In : Journal of Materials Processing Technology. 213, 1, p. 59-68

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

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

Moumeni, E., Stefanescu, D. M., Tiedje, N. S., Larrañaga, P. & Hattel, J. H., 2013, In : Metallurgical and Materials Transactions A. 44, 11, p. 5134-5146

Research output: Contribution to journalJournal articleResearchpeer-review

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

Tiedje, N. S., Hattel, J. H., Taylor, J. A. & Easton, M. A., 2013, In : Materials Science Forum. 765, p. 160-164 5 p.

Research output: Contribution to journalConference articleResearchpeer-review

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

Vedel-Smith, N. K., Tiedje, N. S., Sällström, J. & Maza, K. T., 2013. 11 p.

Research output: Contribution to conferencePaperResearch

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

Nwaogu, U. C., Tiedje, N. S. & Hansen, H. N., 2013. 31 p.

Research output: Contribution to conferencePaperResearch

2012

Analysis of nucleation modelling in ductile cast iron

Moumeni, E., Tutum, C. C., Tiedje, N. S. & Hattel, J. H., 2012, 13rd International conference on advances in solidification process: Session V B: Steel and cast iron. Vol. V B 3. (I O P Conference Series: Materials Science and Engineering; No. 1, Vol. 27).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1 Downloads (Pure)

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

Tiedje, N. S., Hattel, J. H., Taylor, J. A. & Easton, M. A., 2012, The 3rd International Conference on Advances in Solidification Processes, Rolduc Abbey 2011. IOP Publishing, p. 012033 7 p. (I O P Conference Series: Materials Science and Engineering, Vol. 27).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

A TEM Study on the Microstructure of Fine Flaky Graphite

Moumeni, E., Tiedje, N. S., Horsewell, A. & Hattel, J. H., 2012. 9 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

File
917 Downloads (Pure)

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

Nwaogu, U. C., Hansen, K. S. & Tiedje, N. S., 2012, In : International Foundry Research. 64, 2

Research output: Contribution to journalJournal articleResearchpeer-review

Effect of titanium on the near eutectic grey iron

Moumeni, E., Tiedje, N. S. & Hattel, J. H., 2012. 10 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

File
1692 Downloads (Pure)

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

Tiedje, N. S., Taylor, J. A. & Easton, M. A., 2012, In : Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science. 43, 12, p. 4846-4858

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
585 Downloads (Pure)

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

Nwaogu, U. C., Poulsen, T., Gravesen, B. & Tiedje, N. S., 2012, In : International Journal of Cast Metals Research. p. 176-187

Research output: Contribution to journalJournal articleResearchpeer-review

2011

Foundry Coating Technology: A Review

Nwaogu, U. C. & Tiedje, N. S., 2011, In : Materials Sciences and Applications. 2, 8, p. 1143-1160

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
6549 Downloads (Pure)

Investigation of the stability of melt flow in gating systems

Tiedje, N. S. & Larsen, P., 2011, In : Metallurgical and Materials Transactions B - Process Metallurgy and Materials Processing Science. 42B, 1, p. 189-201

Research output: Contribution to journalJournal articleResearchpeer-review

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

Nwaogu, U. C., Poulsen, T., Stage, R. K., Bischoff, C. & Tiedje, N. S., 2011, In : Surface and Coatings Technology. 205, 16, p. 4035-4044

Research output: Contribution to journalJournal articleResearchpeer-review