期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2015.08.076
关键词
Metal matrix composite; Rare earth element Y; Interfacical characterization; Interlaminar shear strength
In this study, the rare earth element Y was added to C-f/Mg composite to improve the interfacial bonding strength. 60 vol% C-f/Mg composites containing different Y content were fabricated by pressure infiltration method. An interfacial layer with nano-scale formed between C-f and Mg-Y alloys. The interfacial products were identified to be MgO, Mg2Y and Mg24Y5 by energy dispersive X-ray spectroscopy (EDX) and selected area electron diffraction (SAED). Moreover, the interfacial products enhanced the interface bonding strength, which could be confirmed by the increase of interlaminar shear strength (ILSS). In particular, the C-f/Mg composite with 5.7 wt% Y addition increases the ILSS by about 120.9% from 46.2 MPa to 102.3 MPa. (C) 2015 Elsevier B.V. All rights reserved.
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