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Novel MoAlB composites reinforced with 5-15 vol% SiC have been firstly prepared and characterized in the present study. The SiC reinforcement is stable with MoAlB at a sintering temperature of 1200 ℃ in Ar. The 5 vol% SiC/MoAlB composite exhibited improved mechanical properties and enhanced oxidation resistance. A flexural strength of 380 MPa and a Vickers hardness of 12.7 GPa were achieved and increased by 24% and 51%, respectively, as compared with those for MoAlB, indicating the enhanced strengthening effect of SiC. Cyclic oxidation tests at 1200 and 1300 ℃ for 10 h in air showed that the 5 vol% SiC/MoAlB composite has better oxidation resistance than MoAlB due to the formation of a dense and continuous scale composed of Al2O3 and SiO2, which prevents the oxygen inward diffusion and the evaporation of oxides. We expect that the general strategy of second phase reinforcing for materials will help to widen the applications of MoAlB composites.


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Synthesis and properties of MoAlB composites reinforced with SiC particles

Show Author's information Weiwei ZHANGaShibo LIa,b( )Shuang WUaBoxiang YAOaShukai FANcGuoping BEIcWenbo YUa,bYang ZHOUa,bYing WUdSun-An DINGd
Center of Materials Science and Engineering, School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China
Research Center of Rail Vehicles Safety Monitoring and Health Management, Beijing Jiaotong University, Beijing 100044, China
China Porcelain Fuchi (Suzhou) High Tech Nano Materials Co., Ltd., Suzhou 215100, China
School of Microelectronics, Southern University of Science and Technology, Shenzhen 518055, China

Abstract

Novel MoAlB composites reinforced with 5-15 vol% SiC have been firstly prepared and characterized in the present study. The SiC reinforcement is stable with MoAlB at a sintering temperature of 1200 ℃ in Ar. The 5 vol% SiC/MoAlB composite exhibited improved mechanical properties and enhanced oxidation resistance. A flexural strength of 380 MPa and a Vickers hardness of 12.7 GPa were achieved and increased by 24% and 51%, respectively, as compared with those for MoAlB, indicating the enhanced strengthening effect of SiC. Cyclic oxidation tests at 1200 and 1300 ℃ for 10 h in air showed that the 5 vol% SiC/MoAlB composite has better oxidation resistance than MoAlB due to the formation of a dense and continuous scale composed of Al2O3 and SiO2, which prevents the oxygen inward diffusion and the evaporation of oxides. We expect that the general strategy of second phase reinforcing for materials will help to widen the applications of MoAlB composites.

Keywords: microstructure, mechanical properties, oxidation, SiC/MoAlB composite

References(29)

[1]
Ade M, Hillebrecht H. Ternary borides Cr2AlB2, Cr3AlB4 and Cr4AlB6: The first members of the series (CrB2)nCrAl with n = 1, 2, 3 and a unifying concept for ternary borides as MAB-phases. Inorg Chem 2015, 54:6122-6135.
[2]
Kota S, Sokol M, Barsoum MW. A progress report on the MAB phases: Atomically laminated, ternary transition metal borides. Int Mater Rev 2020, 65:226-255.
[3]
Bai Y, Qi X, Duff A, et al. Density functional theory insights into ternary layered boride MoAlB. Acta Mater 2017, 132:69-81.
[4]
Lu J, Kota S, Barsoum MW, et al. Atomic structure and lattice defects in nanolaminated ternary transition metal borides. Mater Res Lett 2017, 5:235-241.
[5]
Xiang H, Feng Z, Li Z, et al. Theoretical investigations on mechanical and dynamical properties of MAlB (M=Mo,W) nanolaminated borides at ground-states and elevated temperatures. J Alloys Compd 2018, 738:461-472.
[6]
Kota S, Agne M, Zapata-Solvas E, et al. Elastic properties, thermal stability, and thermodynamic parameters of MoAlB. Phys Rev B 2017, 95:144108.
[7]
Su X, Dong J, Chu L, et al. Synthesis, microstructure and properties of MoAlB ceramics prepared by in situ reactive spark plasma sintering. Ceram Int 2020, 46:15214-15221.
[8]
Xu L, Shi O, Liu C, et al. Synthesis, microstructure and properties of MoAlB ceramics. Ceram Int 2018, 44:13396-13401.
[9]
Chen Y, Kota S, Barsoum MW, et al. Compressive deformation of MoAlB up to 1100 ℃. J Alloys Compd 2019, 774:1216-1222.
[10]
Zhang H, Kim JY, Su R, et al. Defect behavior and radiation tolerance of MAB phases (MoAlB and Fe2AlB2) with comparison to MAX phases. Acta Mater 2020, 196:505-515.
[11]
Bei G, van der Zwaag S, Kota S, et al. Ultra-high temperature ablation behavior of MoAlB ceramics under an oxyacetylene flame. J Eur Ceram Soc 2019, 39:2010-2017.
[12]
Su X, Hu B, Quan Y, et al. Ablation behavior and mechanism of bulk MoAlB ceramic at ~1670-2550 ℃ in air plasma flame. J Eur Ceram Soc 2021, 41:5474-5483.
[13]
Bai Y, Sun D, Li N, et al. High-temperature mechanical properties and thermal shock behavior of ternary-layered MAB phases Fe2AlB2. Int J Refract Met Hard Mater 2019, 80:151-160.
[14]
Zhang H, Xiang H, Dai FZ, et al. Oxidation behavior and thermal stability of Cr2AlB2 powders. Corros Sci 2020, 176:108941.
[15]
Mou JJ, Li SB, Yao BX, et al. Cyclic oxidation behavior of MoAlB in the temperature range 450-850 ℃. J Alloys Compd 2020, 831:154802.
[16]
Kota S, Zapata-Solvas E, Ly A, et al. Synthesis and characterization of an alumina forming nanolaminated boride: MoAlB. Sci Rep 2016, 6:26475.
[17]
Basu S, Obando N, Gowdy A, et al. Long-term oxidation of Ti2AlC in air and water vapor at 1000-1300 ℃ temperature range. J Electrochem Soc 2012, 159:C90.
[18]
Li SB, Chen XD, Zhou Y, et al. Influence of grain size on high temperature oxidation behavior of Cr2AlC ceramics. Ceram Int 2013, 39:2715-2721.
[19]
Yao BX, Li SB, Ma PF, et al. Oxidation behavior of MoAl0.97Si0.03B solid solution at 1200-1400 ℃. Mater Today Commun 2020, 22:100846.
[20]
Ma PF, Li SB, Hu J, et al. Processing and characterization of MoAl1-xSixB solid solutions. J Alloys Compd 2020, 814:152290.
[21]
Li SB, Xie JX, Zhang LT, et al. Mechanical properties and oxidation resistance of Ti3SiC2/SiC composite synthesized by in situ displacement reaction of Si and TiC. Mater Lett 2003, 57:3048-3056.
[22]
Li SB, Song GM, Zhou Y. A dense and fine-grained SiC/Ti3Si(Al)C2 composite and its high-temperature oxidation behavior. J Eur Ceram Soc 2012, 32:3435-3444.
[23]
Barsoum MW, Ho-Duc LH, Radovic M, et al. Long time oxidation study of Ti3SiC2, Ti3SiC2/SiC, and Ti3SiC2/TiC composites in air. J Electrochem Soc 2003, 150:B166.
[24]
Wan DT, Zhou YC, Hu CF, et al. Improved strength- impairing contact damage resistance of Ti3Si(Al)C2/SiC composites. J Eur Ceram Soc 2007, 27:2069-2076.
[25]
Zhang J, Wang L, Jiang W, et al. High temperature oxidation behavior and mechanism of Ti3SiC2-SiC nanocomposites in air. Compos Sci Technol 2008, 68:1531-1538.
[26]
Zhou X, Jing L, Kwon YD, et al. Fabrication of SiCw/ Ti3SiC2 composites with improved thermal conductivity and mechanical properties using spark plasma sintering. J Adv Ceram 2020, 9:462-470.
[27]
Lu XG, Li SB, Zhang WW, et al. Thermal shock behavior of a nanolaminated ternary boride: MoAlB. Ceram Int 2019, 45:9386-9389.
[28]
Reddy V, Sonber JK, Sairam K, et al. Densification and mechanical properties of CrB2+MoSi2 based novel composites. Ceram Int 2015, 41:7611-7617.
[29]
Lu XG, Li SB, Zhang WW, et al. Crack healing behavior of a MAB phase: MoAlB. J Eur Ceram Soc 2019, 39:4023-4028.
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Publication history

Received: 08 September 2021
Revised: 19 September 2021
Accepted: 01 October 2021
Published: 12 January 2022
Issue date: March 2022

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© The Author(s) 2021.

Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 51772020) and Beijing Government Funds for the Constructive Project of Central Universities.

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