Fig. 1 Schematic of fabricating magnesium matrix composites reinforced by submicron SiCp by stir casting [10, 11]

Fig. 2 Schematic of squeeze casting process to produce Mg2B2O5w + B4Cp reinforced hybrid or Mg2B2O5w reinforced singular AZ91D magnesium matrix composites [13]

Fig. 3 Schematic of fabricating B4Cp-reinforced magnesium matrix composites by powder metallurgy

Fig. 4 Definition of the contact angle

Fig. 5 Curves showing the infiltration distance of Mg melt versus Ti content under different heating temperatures for 120 min a, holding for different times at 973 K b for fabricating B4C/Mg composites by pressureless infiltration [23]

Fig. 6 Schematic of in-situ reactive infiltration process for fabricating magnesium matrix composites [26]

Fig. 7 Microstructures of M40J carbon fiber-reinforced Al-4.7 wt% Mg composites after 5 vol% NaOH solution etching in longitudinal a, transverse b sections [39]

Fig. 8 SEM micrograph of Mg2B2O5 whiskers a, optical image of the as-cast AZ91D-based composite with 50 vol% Mg2B2O5 whiskers b [40]

Fig. 9 Optical micrograph of the as-cast a, SEM image of the as-deformed b SiCp/AZ91 composites [41]

Fig. 10 SEM microstructure at low magnification a, high magnification b of the as-fabricated TiC/Mg composites synthesized at 1,073 K [26]

Fig. 11 TEM micrographs of interfacial reaction products with different morphologies: a block-like and granular; b rod-like and granular reaction products

Fig. 12 Volumetric wear loss versus sliding cycles for (Al2O3)f/AM60 composites: a with different addition contents of Al2O3 fibers at 2.0 N; b under different loads for AM60-9% (Al2O3)f at 298 K [53]

Fig. 13 Comparison of minimum creep rates in several base materials and Saffil fibers reinforced AS21 magnesium matrix composites at 523 K [57]

Fig. 14 Damping capacities of AZ91D and TiC/AZ91D composites: a with the vibration frequency; b with the strain amplitude; c at different temperatures [64]

Fig. 15 Damping mechanism according to dislocation movement [68]