Principal Investigator/Researcher
Zhiyong Wang, University of Nevada, Las Vegas
Project Description
The primary objective of this study is to develop 3D metal/composite printing technology for fixing railway surface damage on site, which includes: (1) Mobile 3D printer system design; (2) Rapid surface cleaning of rail track; (3) 3D printing rail track surface on site; and (4) Trueing surface to achieve precise dimension and surface finish.
Final Report
Outputs
6 journal papers, 3 conference papers, 1 dissertation
• Mohammadi, A. A., Z. Wang and H. Teng, Mechanical and Metallurgical Assessment of a Submerged Arc Welded Surfaced Rail, International Journal of Transportation Science and Technology, Available online 5 October 2024
• Wang, Z., Z. Zeng, and H. Teng, Corrosion Test of the Steel Plate in a WJ-8 Fastener for High Speed Rail, Journal of Transportation Technologies, Vol.14, Issue, 01, pp. 16-30, 2024
• Mortazavian, E.†, Z. Wang, and H. Teng, “Finite Element Investigation of Residual Stresses during Laser Powder Deposition Process as an Innovative Technique to Repair Worn Rails", Journal of Rail and Rapid Transit, Vol. 237, Issue 1, pp. 21-32, 2022.
• Mortazavian, E.†, Z. Wang, Z. and H. Teng, “Effect of heat treatment on microstructure and hardness of a worn rail repaired using laser powder deposition”, International Journal of Transportation Science and Technology, Vol. 11, Issue 2, pp. 406-422, 2022.
• Mortazavian, E.†, Z. Wang, and H. Teng, “Finite Element Investigation of Thermal-kinetic-mechanical Evolutions during Laser Powder Deposition as an Innovative Technique for Rail Repair", International Journal of Advanced Manufacturing Technology, pp. 1-24, 2021.
• Mortazavian, E.†, Z. Wang, Z. and H. Teng, “Repair of Light Rail Track through Restoration of the Worn Part of the Railhead Using Submerged Arc Welding Process”, International Journal of Advanced Manufacturing Technology, Vol. 107, pp. 3315–3332, 2020.
• Mortazavian E. †, Z. Wang, and H. Teng, “Measurement of Residual Stresses in Laser 3D Printed Train Rail using X-Ray Diffraction Technique”, Proceedings of the ASME 2021 International Mechanical Engineering Congress and Exposition, November 1-5, 2021, Virtual.
• Mortazavian E. †, Z. Wang, and H. Teng, “Thermal-Kinetic-Mechanical Modeling of Laser Powder Deposition Process for Rail Repair”, Proceedings of the ASME 2019 International Mechanical Engineering Congress and Exposition, November 11-14, 2019, Salt Lake City, UT, USA.
• Mortazavian E. †, Z. Wang, and H. Teng, “Thermal-Mechanical Study of 3D Printing Technology for Rail Repair”, Proceedings of the ASME 2018 International Mechanical Engineering Congress and Exposition, November 9-15, 2018, Pittsburgh, PA, USA.
• Ershad Mortazavian, Mobile 3d Printing Of Rail Track Surface For Rapid Repair, Dissertation of Mechanical Engineering at the University of Nevada Las Vegas, 2022.