Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys

Malatji, NLengopeng, TPityana, Sisa LPopoola, AP2022-01-212022-01-212021-02Malatji, N., Lengopeng, T., Pityana, S.L. & Popoola, A. 2021. Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys. Journal of Materials Research and Technology, 11. http://hdl.handle.net/10204/122182238-78542214-0697https://doi.org/10.1016/j.jmrt.2021.01.103http://hdl.handle.net/10204/12218AlCrFeNiCuWx high entropy alloys were fabricated on 316 L stainless steel substrate using laser metal deposition technique. The microstructural and mechanical characteristics of these alloys were studied by advanced characterization techniques. The results revealed that the alloys exhibited a dual phase structure with BCC (body centered cubic) and FCC (face centered cubic) solid solution phases. The presence of tungsten (W) particles in the HEA matrix changed the shape of grains from columnar to aquiaxed. The alloys that contained W possessed higher plasticity at maximum compressive stress. They also showed better performance when they were evaluated for wear and corrosion.FulltextenHigh entropy alloysMicrostructuresMicrohardnessWear resistanceCorrosion behaviorCompressive propertiesMicrostructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloysArticleMalatji, N., Lengopeng, T., Pityana, S. L., & Popoola, A. (2021). Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys. Journal of Materials Research and Technology, 11, http://hdl.handle.net/10204/12218Malatji, N, T Lengopeng, Sisa L Pityana, and AP Popoola "Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys." Journal of Materials Research and Technology, 11 (2021) http://hdl.handle.net/10204/12218Malatji N, Lengopeng T, Pityana SL, Popoola A. Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys. Journal of Materials Research and Technology, 11. 2021; http://hdl.handle.net/10204/12218.TY - Article AU - Malatji, N AU - Lengopeng, T AU - Pityana, Sisa L AU - Popoola, AP AB - AlCrFeNiCuWx high entropy alloys were fabricated on 316 L stainless steel substrate using laser metal deposition technique. The microstructural and mechanical characteristics of these alloys were studied by advanced characterization techniques. The results revealed that the alloys exhibited a dual phase structure with BCC (body centered cubic) and FCC (face centered cubic) solid solution phases. The presence of tungsten (W) particles in the HEA matrix changed the shape of grains from columnar to aquiaxed. The alloys that contained W possessed higher plasticity at maximum compressive stress. They also showed better performance when they were evaluated for wear and corrosion. DA - 2021-02 DB - ResearchSpace DP - CSIR J1 - Journal of Materials Research and Technology, 11 KW - High entropy alloys KW - Microstructures KW - Microhardness KW - Wear resistance KW - Corrosion behavior KW - Compressive properties LK - https://researchspace.csir.co.za PY - 2021 SM - 2238-7854 SM - 2214-0697 T1 - Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys TI - Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys UR - http://hdl.handle.net/10204/12218 ER -24940