Microstructure and Properties of Experimental Mg-9Al-5RE-1Zn-Mn Magnesium Alloy

• Autorzy: Braszczyńska-Malik Katarzyna

Identyfikatory

DOI

10.24425/afe.2023.148960

• Języki publikacji: EN

Abstrakty

EN

In this paper, an experimental Mg-Al-RE-type magnesium alloy, named AEZ951, is presented. The chemical composition of the investigated alloy was ca. 9 wt% Al, 5 wt% RE (rare earth elements), 0.7 wt% Zn and 3 wt% Mn. The experimental material was gravity cast into a cold steel mould. Microstructure analyses were carried out by light microscopy, along with X-ray phase analysis and scanning electron microscopy with an energy-dispersive X-ray spectrometer (SEM + EDX). Detailed investigations disclosed the presence of and Al10RE2Mn7 intermetallic compounds in the alloy microstructure. The(Mg) solid solution and Al11RE3, primary dendrites of an eutectic was also presented. The hardness, impact strength, tensile strength as well as the+volume fraction of the Al11RE3 phase and yield strength of the alloy were examined in tests at room temperature. The examined experimental Mg-Al-RE-type magnesium alloy exhibited higher mechanical properties than the commercial AZ91 alloy (cast in the same conditions).

Słowa kluczowe

EN

magnesium alloys Mg-Al-RE; microstructure; mechanical properties

PL

stopy magnezu Mg-Al-RE; mikrostruktura; właściwości mechaniczne

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2023
• Tom: Vol. 23, iss. 4
• Strony: 169--172
• Opis fizyczny: Bibliogr. 15 poz., il., tab., wykr.

Twórcy

autor

Braszczyńska-Malik Katarzyna

• Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, Poland

• https://orcid.org/0000-0002-6449-5693

Bibliografia

• [1] Lee, S.G., Patel, G.R., Gokhale, A.M., Sareeranganathan, A. & Horstemeyer, M.F. (2006). Quantitative fractographic analysis of variability in the tensile ductility of high-pressure die-cast AE44 Mg-alloy. Materials Science Engineering A. 427(1-2), 255-262. DOI:10.1016/j.msea.2006.04.108.
• [2] Braszczyńska-Malik, K. & Malik, M.A. (2020). Impact strength of AE-type alloys high pressure die castings. Archives of Foundry Engineering. 20(3), 5-8. DOI:10.24425/afe.2020.133321.
• [3] Yang, Q., Guan, K., Li, B., Lv S., Meng F., Sun W., Zhang Y., Liu, X. & Meng, J. (2017). Microstructural characterizations on Mn-containing intermetallic phases in a high-pressure die-casting Mg–4Al–4RE–0.3Mn alloy. Materials Characterization. 132, 381-387. https://doi.org/10.1016/j.matchar.2017.08.032.
• [4] Yang, Q., Lv, SH., Meng, FZ., Guan, K., Li, B.-S., Zhang, X-H., Zhang, J.-Q., Liu X.-J. & Meng. J. (2019). Detailed structures and formation mechanisms of well-known Al10RE2Mn7 phase in die-cast Mg–4Al–4RE–0.3Mn Alloy. Acta Metallurgica Sinica (English Letters). 32, 178-186. https://doi.org/10.1007/s40195-018-0819-0.
• [5] Braszczyńska-Malik, K.N. & Grzybowska, A. (2016). Influence of phase composition on microstructure and properties of Mg-5Al-0.4Mn-xRE (x = 0,3 and 5 wt.%) alloys. Materials Characterization. 115, 14-22. https://doi.org/10.1016/j.matchar.2016.03.014
• [6] Zhou, W., Li, Z., Li, D., Qin, M. & Zeng, X. (2022). Solidification microstructure evolution in LA42 Mg alloy under various cooling rates. Journal of Materials Science. 57, 11411-11429. https://doi.org/10.1007/s10853-022-07330-5.
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• [8] Braszczyńska-Malik, K.N. (2014). Some mechanical properties of experimental Mg-Al-Mn-RE alloy. Archives of Foundry Engineering. 14(1), 13-16. DOI:10.2478/afe-2014- 0003.
• [9] Yang, Q., Guan, K., Li, B., Lv, S., Meng, F., Sun, W., Zhang, Y., Liu, X. & Meng, J. (2017). Microstructural characterizations on Mn-containing intermetallic phases in a high-pressure die-casting Mg–4Al–4RE–0.3Mn alloy. Materials Characterization. 132, 381-387. https://doi.org/10.1016/j.matchar.2017.08.032.
• [10] Zhou, W., Li, Z., Li, D., Qin, M. & Zeng X. (2022). Solidification microstructure evolution in LA42 Mg alloy under various cooling rates. Journal of Materials Science. 57, 11411-11429. https://doi.org/10.1007/s10853-022-07330-5.
• [11] Braszczyńska, K.N. (2003). Contribution of SiC particles to the formation of the structure of Mg-3 wt.% RE cast composites. Zeitschrift für Metallkunde. 94, 144-148. https://doi.org/10.3139/ijmr-2003-0028.
• [12] Li, L., Li, D., Zeng, X., Luo, A.A., Hu, B., Sachdev, A. K., Gu, L. & Ding, W. (2020). Microstructural evolution of MgAl-RE alloy reinforced with alumina fibers. Journal of Magnesium Alloys. 8(3), 565-577. https://doi.org/10.1016/j.jma.2019.07.012.
• [13] Braszczyńska-Malik, K. & Przełożyńska, E. (2017). The influence of Ti particles on microstructure and mechanical properties of Mg-5Al-5RE matrix alloy composite. Journal of Alloys and Compounds. 728, 600-606. https://doi.org/10.1016/j.jallcom.2017.08.177.
• [14] Tang, B., Li, J., Wang, Y., Luo, H., Ye, J., Chen, X., Chen, X., Zheng, K. & Pan, F. (2022). Mechanical properties and microstructural characteristics of Ti/WE43 composites. Vacuum. 206, 111534. https://doi.org/10.1016/ j.vacuum.2022.111534.
• [15] Powder Diffraction File, PDF-4+, International Centre for Diffraction Data (ICDD), Pennsylvania, USA, 2014.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)