Dimitrios Nikas

Showing 12 publications

2019

High temperature bi-axial low cycle fatigue behaviour of railway wheel steel

Dimitrios Nikas, Johan Ahlström
ICMFF12 - 12TH INTERNATIONAL CONFERENCE ON MULTIAXIAL FATIGUE AND FRACTURE. Vol. 300
Paper in proceedings
2018

Microstructure and mechanical properties of the running band in a pearlitic rail steel: Comparison between biaxially deformed steel and field samples

Knut Andreas Meyer, Dimitrios Nikas, Johan Ahlström
Wear. Vol. 396-397, p. 12-21
Journal article
2018

Evaluation of local strength via microstructural quantification in a pearlitic rail steel deformed by simultaneous compression and torsion

Dimitrios Nikas, X. Zhang, Johan Ahlström
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. Vol. 737, p. 341-347
Journal article
2017

Characterization of deformed pearlitic rail steel

Dimitrios Nikas, Knut Andreas Meyer, Johan Ahlström
IOP Conference Series: Materials Science and Engineering. Vol. 219 (1), p. Art no:UNSP 012035-
Paper in proceedings
2016

Mechanical properties and fatigue behaviour of railway wheel steels as influenced by mechanical and thermal loadings

Dimitrios Nikas, Johan Ahlström, Amir Malakizadi
Wear. Vol. 366 (SI), p. 407-415
Journal article
2015

High Temperature Tread Braking Simulations Employing Advanced Modelling of Wheel Materials

Ali Esmaeili, Tore V Vernersson, Dimitrios Nikas et al
IHHA 2015,Perth,Australia
Paper in proceedings
2015

Characterization of microstructural changes in near pearlitic steels using orientation imaging microscopy - influence of pre-deformation on local sensitivity to thermal degradation

Dimitrios Nikas, Johan Ahlström
IOP Conference Series: Materials Science and Engineering. Vol. 89 (1), p. Art. no. 012039-
Paper in proceedings
2015

Mechanical properties and fatigue behavior of railway wheel steels as influenced by mechanical and thermal loadings

Dimitrios Nikas, Johan Ahlström, Amir Malakizadi
10th International Conference on Contact Mechanics of Wheel / Rail Systems, CM 2015, Colorado Springs, United States, 30 August - 3 September 2015
Paper in proceedings
2014

Evaluation of the thickness and roughness of homogeneous surface layers on spherical and irregular powder particles

Christos Oikonomou, Dimitrios Nikas, Eduard Hryha et al
Surface and Interface Analysis. Vol. 46 (10-11), p. 1028-1032
Journal article
2014

Thermal deterioration of railway wheel steels

Dimitrios Nikas, Johan Ahlström
35th Risø International Symposium on Materials Science,Risø,Denmark, 09/2014
Paper in proceedings

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