HUANG R M,WANG B,ZHA C M,et al. Microstructure and properties of ZnO modified graphene-Mg matrix composites[J]. Special Casting & Nonferrous Alloys,2024,44(3):344-348.
HUANG R M,WANG B,ZHA C M,et al. Microstructure and properties of ZnO modified graphene-Mg matrix composites[J]. Special Casting & Nonferrous Alloys,2024,44(3):344-348. DOI: 10.15980/j.tzzz.2024.03.010.
Graphene nanosheets modified by ZnO (ZnO@GNS) were synthesized by chemical co-deposition process and added into AZ91D alloy to fabricate the AZ91D-0.1GNS composites. The mechanical properties of composites were investigated, and the microstructure and fracture morphologies of ZnO@GNS were characterized and analyzed by OM, XPS, XRD, SEM and EDS. The results indicate that ZnO@GNS can be effectively coated on surface of GNS, significantly improving the strength, elongation and microhardness of alloys. ZnO modified GNS can significantly refine the grain structure of magnesium alloy, enhancing the bonding quality of strong interface between GNS and magnesium matrix, leading to obvious fine crystal strengthening and stress transfer strengthening
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