Effects of surface-oxidation modification and heat treatment on silicon carbide 3D/AlCu 5 MgTi composites during vacuum-pressure infiltration

Xue, Liaoyu; Wang, Fuchi; Ma, Zhuang; Wang, Yangwei

doi:10.1016/j.apsusc.2015.08.151

Applied Surface Science

2015

DOI: 10.1016/j.apsusc.2015.08.151

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Effects of surface-oxidation modification and heat treatment on silicon carbide 3D/AlCu 5 MgTi composites during vacuum-pressure infiltration

Liaoyu Xue

Fuchi Wang

Zhuang Ma

et al.

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Cited by 7 publications

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“…Al element was clearly divided at the phase interface[31]. Mg element was in Al2O3(3D) RPC compared to 5083Al, indicating Mg diffusion towards Al2O3(3D element was precipitated on 5083, and O element formed a full and uniform oxid the Al2O3(3D)/5083 surface[32].…”

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confidence: 99%

Simulation and Experimental of Infiltration and Solidification Process for Al2O3(3D)/5083Al Interpenetrating Phase Composite for High Speed Train Prepared by Low-Pressure Infiltration

Jiang,

Xu,

Zhang

et al. 2023

Materials

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Understanding the infiltration and solidification processes of liquid 5083Al alloy into Al2O3 three-dimensional reticulated porous ceramic (Al2O3(3D) RPC) is essential for optimizing the microstructure and properties of Al2O3(3D)/5083Al interpenetrating phase composites (IPCs) prepared by low-pressure infiltration process (LPIP). This study employs ProCAST software to simulate the infiltration and solidification processes of liquid 5083Al with pouring velocities (PV) of 0.4 m/s infiltrating into Al2O3(3D) RPC preforms with varying porosities at different pouring temperatures (PT) to prepare Al2O3(3D)/5083Al IPCs using LPIP. The results demonstrate that pore diameter of Al2O3(3D) RPC preforms and PT of liquid 5083Al significantly influence the of the infiltration. Solidification process analysis reveals that the Al2O3(3D) RPC preform with smaller pore diameters allows the lower pouring velocity of 5083Al to solidify faster compared to the preform with larger pore diameters. Al2O3(3D)/5083Al IPCs were prepared successfully from Al2O3(3D) RPC porosity of 15 PPI with liquid 5083Al at PV 0.4 m/s and PT 800 °C using LPIP, resulting in nearly fully dense composites, where both Al2O3(3D) RPCs and 5083Al interpenetrate throughout the microstructure. The infiltration and solidification defects were reduced under air pressure of 0.3 MPa (corresponding to PV of 0.4 m/s) during LPIP. Finite volume method simulations are in good agreement with experimental data, validating the suitability of the simplified model for Al2O3(3D) RPCs in the infiltration simulation.

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confidence: 99%

Simulation and Experimental of Infiltration and Solidification Process for Al2O3(3D)/5083Al Interpenetrating Phase Composite for High Speed Train Prepared by Low-Pressure Infiltration

Jiang,

Xu,

Zhang

et al. 2023

Materials

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Effect of Na3AlF6 Addition and Surface Modification of SiCp on the Microstructure and Mechanical Properties of SiCp/Al Composites

Wang

Yang

et al. 2019

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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Graphite fiber/copper composites prepared by spontaneous infiltration

Wang

Tao

et al. 2018

Applied Surface Science

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Effects of surface-oxidation modification and heat treatment on silicon carbide 3D/AlCu 5 MgTi composites during vacuum-pressure infiltration

Cited by 7 publications

References 21 publications

Simulation and Experimental of Infiltration and Solidification Process for Al2O3(3D)/5083Al Interpenetrating Phase Composite for High Speed Train Prepared by Low-Pressure Infiltration

Simulation and Experimental of Infiltration and Solidification Process for Al2O3(3D)/5083Al Interpenetrating Phase Composite for High Speed Train Prepared by Low-Pressure Infiltration

Effect of Na3AlF6 Addition and Surface Modification of SiCp on the Microstructure and Mechanical Properties of SiCp/Al Composites

Graphite fiber/copper composites prepared by spontaneous infiltration

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