Malatji, NLengopeng, TPityana, Sisa LPopoola, API2020-12-032020-12-032020-10Malatji, N. et al. 2020. Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy. The International Journal of Advanced Manufacturing Technology, vol. 111: 2021–20290268-37681433-3015https://link.springer.com/article/10.1007/s00170-020-06220-xhttps://rdcu.be/caaWrhttps://doi.org/10.1007/s00170-020-06220-xhttp://hdl.handle.net/10204/11687Copyright: 2020 Springer. Due to copyright restrictions, the attached PDF file only contains the abstract version of the full-text item. For access to the full-text item, please consult the publisher's website. The definitive version of the work is published at ttps://doi.org/10.1007/s00170-020-06220-x. A free full-text non-print version of the published item can be viewed at https://rdcu.be/caaWrThe comprehensive properties exhibited by dual-phase high-entropy alloys (HEA) increase their prospects of finding use in engineering applications. However, the distribution of the phases that are present in the alloys has a significant effect on their mechanical performance. Therefore, the homogeneity of microstructure in these alloys remains critical for the improvement of their mechanical properties. In this study, AlCrFeCuNi HEA was fabricated by a direct laser metal deposition technique. The effect of heat treatment on the microstructure, microhardness, and wear performance of the alloy was investigated. The microstructural analysis revealed that the alloy was characterized by a dendritic microstructure with a dual-phase (BCC + FCC) composition. Microstructural changes were achieved at all heat treatment temperatures with grain growth starting to occur at 950 °C and dissolution of the BCC phase happening at 1100 °C. Good anti-wear characteristics were obtained for alloy heat treated at 950 °C.enAlloysHigh-entropy alloysHEAArticleMalatji, N., Lengopeng, T., Pityana, S. L., & Popoola, A. (2020). Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy. http://hdl.handle.net/10204/11687Malatji, N, T Lengopeng, Sisa L Pityana, and API Popoola "Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy." (2020) http://hdl.handle.net/10204/11687Malatji N, Lengopeng T, Pityana SL, Popoola A. Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy. 2020; http://hdl.handle.net/10204/11687.TY - Article AU - Malatji, N AU - Lengopeng, T AU - Pityana, Sisa L AU - Popoola, API AB - The comprehensive properties exhibited by dual-phase high-entropy alloys (HEA) increase their prospects of finding use in engineering applications. However, the distribution of the phases that are present in the alloys has a significant effect on their mechanical performance. Therefore, the homogeneity of microstructure in these alloys remains critical for the improvement of their mechanical properties. In this study, AlCrFeCuNi HEA was fabricated by a direct laser metal deposition technique. The effect of heat treatment on the microstructure, microhardness, and wear performance of the alloy was investigated. The microstructural analysis revealed that the alloy was characterized by a dendritic microstructure with a dual-phase (BCC + FCC) composition. Microstructural changes were achieved at all heat treatment temperatures with grain growth starting to occur at 950 °C and dissolution of the BCC phase happening at 1100 °C. Good anti-wear characteristics were obtained for alloy heat treated at 950 °C. DA - 2020-10 DB - ResearchSpace DP - CSIR KW - Alloys KW - High-entropy alloys KW - HEA LK - https://researchspace.csir.co.za PY - 2020 SM - 0268-3768 SM - 1433-3015 T1 - Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy TI - Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy UR - http://hdl.handle.net/10204/11687 ER -