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Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties

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dc.contributor.author Masina, Bathusile N
dc.contributor.author Skhosane, Besabakhe S
dc.contributor.author Tlotleng, Monnamme
dc.date.accessioned 2020-10-05T09:15:12Z
dc.date.available 2020-10-05T09:15:12Z
dc.date.issued 2020
dc.identifier.citation Masina, B.N., Skhosane, B.S. and Tlotleng, M. 2020. Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties. MRS Advances, v5(23-24), pp 1245-1257. en_US
dc.identifier.issn 2059-8521
dc.identifier.uri DOI: https://doi.org/10.1557/adv.2020.213
dc.identifier.uri https://www.cambridge.org/core/journals/mrs-advances/article/effect-of-insitu-heat-treatment-and-process-parameters-on-the-laserdeposited-in718-microstructure-and-mechanical-properties/C36DEC371182C4088AAFF986F3F74D9B
dc.identifier.uri http://hdl.handle.net/10204/11602
dc.description Copyright: 2020 Cambridge University Press. This is the abstract version of the work. For access to the fulltext, please visit the publisher's website. en_US
dc.description.abstract The direct laser-deposited Inconel 718 (IN718) specimens were produced using 1073 nm, high power continuous wave (CW), IPG Ytterbium fibre laser and in-situ heat treatment. The laser power and in-situ heat treatment temperature were fixed while varying the laser scanning speed from 0.83 to 2.50 cm/s. The microstructure and micro-hardness of the IN718 specimens were characterized using an optical microscope (OM), scanning electron microscopy (SEM) equipped with an energy-dispersive X-ray spectroscopy (EDS or EDX) and Vickers system. The microstructure of the specimens consists of g-matrix as the primary phase, Nb-rich particles, constitutional liquation cave, liquation cracking and ductility-dip cracks. It was found that the micro-hardness profile of the IN718 specimens was gradually increased with the increase of the distance from the surface. en_US
dc.language.iso en en_US
dc.publisher Cambridge University Press en_US
dc.relation.ispartofseries Worklist;23700
dc.subject Inconel 718 en_US
dc.subject In-situ heat treatment en_US
dc.subject Laser power en_US
dc.subject Mechanical properties en_US
dc.title Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties en_US
dc.type Article en_US
dc.identifier.apacitation Masina, B. N., Skhosane, B. S., & Tlotleng, M. (2020). Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties. http://hdl.handle.net/10204/11602 en_ZA
dc.identifier.chicagocitation Masina, Bathusile N, Besabakhe S Skhosane, and Monnamme Tlotleng "Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties." (2020) http://hdl.handle.net/10204/11602 en_ZA
dc.identifier.vancouvercitation Masina BN, Skhosane BS, Tlotleng M. Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties. 2020; http://hdl.handle.net/10204/11602. en_ZA
dc.identifier.ris TY - Article AU - Masina, Bathusile N AU - Skhosane, Besabakhe S AU - Tlotleng, Monnamme AB - The direct laser-deposited Inconel 718 (IN718) specimens were produced using 1073 nm, high power continuous wave (CW), IPG Ytterbium fibre laser and in-situ heat treatment. The laser power and in-situ heat treatment temperature were fixed while varying the laser scanning speed from 0.83 to 2.50 cm/s. The microstructure and micro-hardness of the IN718 specimens were characterized using an optical microscope (OM), scanning electron microscopy (SEM) equipped with an energy-dispersive X-ray spectroscopy (EDS or EDX) and Vickers system. The microstructure of the specimens consists of g-matrix as the primary phase, Nb-rich particles, constitutional liquation cave, liquation cracking and ductility-dip cracks. It was found that the micro-hardness profile of the IN718 specimens was gradually increased with the increase of the distance from the surface. DA - 2020 DB - ResearchSpace DP - CSIR KW - Inconel 718 KW - In-situ heat treatment KW - Laser power KW - Mechanical properties LK - https://researchspace.csir.co.za PY - 2020 SM - 2059-8521 T1 - Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties TI - Effect of in-situ heat treatment and process parameters on the laser-deposited IN718 microstructure and mechanical properties UR - http://hdl.handle.net/10204/11602 ER - en_ZA


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