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Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V

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dc.contributor.author Lekoadi, Paul M
dc.contributor.author Tlotleng, Monnamme
dc.contributor.author Annan, K
dc.contributor.author Maledi, N
dc.contributor.author Masina, Bathusile N
dc.date.accessioned 2022-01-28T07:53:38Z
dc.date.available 2022-01-28T07:53:38Z
dc.date.issued 2021-02
dc.identifier.citation Lekoadi, P.M., Tlotleng, M., Annan, K., Maledi, N. & Masina, B.N. 2021. Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V. <i>Metals, 11(2).</i> http://hdl.handle.net/10204/12248 en_ZA
dc.identifier.issn 2075-4701
dc.identifier.uri https://doi.org/10.3390/met11020255
dc.identifier.uri http://hdl.handle.net/10204/12248
dc.description.abstract This study presents the investigation on how heat treatment parameters, which are temperature, cooling method, and residence time, influence the microstructural and hardness properties of Ti6Al4V components produced on Ti6Al4V substrate using high speed selective laser melting technique. Heat treatment was performed on the produced samples before they were characterized for microstructure and hardness. The microstructure of the as-built sample contained large columnar ß-grains that were filled with martensite a’ phase and had a high hardness of 383 ± 13 HV. At 1000 C and residence time of maximum 4 h, better heat treatment parameters were seen for the selective laser melting (SLM) produced Ti6Al4V sample since an improved lamellar a + ß microstructure was obtained at this condition. This microstructure is known to have improved tensile properties. en_US
dc.format Fulltext en_US
dc.language.iso en en_US
dc.relation.uri https://www.mdpi.com/2075-4701/11/2/255 en_US
dc.source Metals, 11(2) en_US
dc.subject Selective laser melting en_US
dc.subject Heat treatment en_US
dc.subject Cooling methods en_US
dc.subject Microstructures en_US
dc.title Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V en_US
dc.type Article en_US
dc.description.pages 15 en_US
dc.description.note Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). en_US
dc.description.cluster Manufacturing en_US
dc.description.impactarea Laser Enabled Manufacturing en_US
dc.identifier.apacitation Lekoadi, P. M., Tlotleng, M., Annan, K., Maledi, N., & Masina, B. N. (2021). Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V. <i>Metals, 11(2)</i>, http://hdl.handle.net/10204/12248 en_ZA
dc.identifier.chicagocitation Lekoadi, Paul M, Monnamme Tlotleng, K Annan, N Maledi, and Bathusile N Masina "Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V." <i>Metals, 11(2)</i> (2021) http://hdl.handle.net/10204/12248 en_ZA
dc.identifier.vancouvercitation Lekoadi PM, Tlotleng M, Annan K, Maledi N, Masina BN. Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V. Metals, 11(2). 2021; http://hdl.handle.net/10204/12248. en_ZA
dc.identifier.ris TY - Article AU - Lekoadi, Paul M AU - Tlotleng, Monnamme AU - Annan, K AU - Maledi, N AU - Masina, Bathusile N AB - This study presents the investigation on how heat treatment parameters, which are temperature, cooling method, and residence time, influence the microstructural and hardness properties of Ti6Al4V components produced on Ti6Al4V substrate using high speed selective laser melting technique. Heat treatment was performed on the produced samples before they were characterized for microstructure and hardness. The microstructure of the as-built sample contained large columnar ß-grains that were filled with martensite a’ phase and had a high hardness of 383 ± 13 HV. At 1000 C and residence time of maximum 4 h, better heat treatment parameters were seen for the selective laser melting (SLM) produced Ti6Al4V sample since an improved lamellar a + ß microstructure was obtained at this condition. This microstructure is known to have improved tensile properties. DA - 2021-02 DB - ResearchSpace DP - CSIR J1 - Metals, 11(2) KW - Selective laser melting KW - Heat treatment KW - Cooling methods KW - Microstructures LK - https://researchspace.csir.co.za PY - 2021 SM - 2075-4701 T1 - Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V TI - Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V UR - http://hdl.handle.net/10204/12248 ER - en_ZA
dc.identifier.worklist 25319 en_US


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