Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails

Taposh Roy, Ralph Abrahams, Anna Paradowska, Quan Lai, Peter Mutton, Mehdi Soodi, Wenyi Yan

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

Abstract

Material properties were evaluated for the laser cladding of 410L grade stainless steel on a hypereutectoid steel rail substrate under two different heat treatment conditions. Miniature tensile test samples were produced to evaluate the mechanical properties of the clad layer and HAZ. The tensile properties, in particular ductility, were improved by a post-heating and slow cooling rate which resulted in a more favourable microstructure. Elongation values were increased by 423% and 186% for the clad layer and HAZ, respectively, compared to pre-heat treatment. The post-heat treatment also marginally increased the tensile strength in these regions.

Original languageEnglish
Title of host publicationProceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018
EditorsAlfredo Nunez, Zili Li
PublisherTU Delft
Pages824-829
Number of pages6
ISBN (Electronic)9789461869630
Publication statusPublished - 1 Jan 2018
EventInternational Conference on Contact Mechanics and Wear of Rail/Wheel Systems 2018 - Delft, Netherlands
Duration: 24 Sep 201827 Sep 2018
Conference number: 11th

Publication series

NameProceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018

Conference

ConferenceInternational Conference on Contact Mechanics and Wear of Rail/Wheel Systems 2018
Abbreviated titleCM 2018
CountryNetherlands
CityDelft
Period24/09/1827/09/18

Keywords

  • Heat affected zone (HAZ)
  • Hypereutectoid steel rail
  • Laser cladding
  • Miniature specimen
  • Tensile properties

Cite this

Roy, T., Abrahams, R., Paradowska, A., Lai, Q., Mutton, P., Soodi, M., & Yan, W. (2018). Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails. In A. Nunez, & Z. Li (Eds.), Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp. 824-829). (Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018). TU Delft.
Roy, Taposh ; Abrahams, Ralph ; Paradowska, Anna ; Lai, Quan ; Mutton, Peter ; Soodi, Mehdi ; Yan, Wenyi. / Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018. editor / Alfredo Nunez ; Zili Li. TU Delft, 2018. pp. 824-829 (Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018).
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abstract = "Material properties were evaluated for the laser cladding of 410L grade stainless steel on a hypereutectoid steel rail substrate under two different heat treatment conditions. Miniature tensile test samples were produced to evaluate the mechanical properties of the clad layer and HAZ. The tensile properties, in particular ductility, were improved by a post-heating and slow cooling rate which resulted in a more favourable microstructure. Elongation values were increased by 423{\%} and 186{\%} for the clad layer and HAZ, respectively, compared to pre-heat treatment. The post-heat treatment also marginally increased the tensile strength in these regions.",
keywords = "Heat affected zone (HAZ), Hypereutectoid steel rail, Laser cladding, Miniature specimen, Tensile properties",
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Roy, T, Abrahams, R, Paradowska, A, Lai, Q, Mutton, P, Soodi, M & Yan, W 2018, Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails. in A Nunez & Z Li (eds), Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018, TU Delft, pp. 824-829, International Conference on Contact Mechanics and Wear of Rail/Wheel Systems 2018, Delft, Netherlands, 24/09/18.

Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails. / Roy, Taposh; Abrahams, Ralph; Paradowska, Anna; Lai, Quan; Mutton, Peter; Soodi, Mehdi; Yan, Wenyi.

Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018. ed. / Alfredo Nunez; Zili Li. TU Delft, 2018. p. 824-829 (Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

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AU - Lai, Quan

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AU - Soodi, Mehdi

AU - Yan, Wenyi

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N2 - Material properties were evaluated for the laser cladding of 410L grade stainless steel on a hypereutectoid steel rail substrate under two different heat treatment conditions. Miniature tensile test samples were produced to evaluate the mechanical properties of the clad layer and HAZ. The tensile properties, in particular ductility, were improved by a post-heating and slow cooling rate which resulted in a more favourable microstructure. Elongation values were increased by 423% and 186% for the clad layer and HAZ, respectively, compared to pre-heat treatment. The post-heat treatment also marginally increased the tensile strength in these regions.

AB - Material properties were evaluated for the laser cladding of 410L grade stainless steel on a hypereutectoid steel rail substrate under two different heat treatment conditions. Miniature tensile test samples were produced to evaluate the mechanical properties of the clad layer and HAZ. The tensile properties, in particular ductility, were improved by a post-heating and slow cooling rate which resulted in a more favourable microstructure. Elongation values were increased by 423% and 186% for the clad layer and HAZ, respectively, compared to pre-heat treatment. The post-heat treatment also marginally increased the tensile strength in these regions.

KW - Heat affected zone (HAZ)

KW - Hypereutectoid steel rail

KW - Laser cladding

KW - Miniature specimen

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Roy T, Abrahams R, Paradowska A, Lai Q, Mutton P, Soodi M et al. Evaluation of the mechanical properties of laser cladded hypereutectoid steel rails. In Nunez A, Li Z, editors, Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018. TU Delft. 2018. p. 824-829. (Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018).