Fabrication of Carbon Fiber Reinforced Magnesium-based Composite Laminates by Vibration Assisting Hot Pressing

摘要

Carbon fibers reinforced AZ31 composite laminates were fabricated by vibration aided mechanical hot pressing.Optical microscopy (OM),scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to analyze their phase components and microstructure.The interfacial bonding strength was measured by uniaxial tension testing.The results showed that Mg-Zn-Al eutectic alloy solder had a strong bonding with carbon fibers and a noticeable diffusion with AZ31 alloy.No debonding was observed on the interface of carbon fibers,and no carbide was detected in this system.The bonding strength of composite laminate reached up to ～17.48MPa which was close to the bonding strength of AZ31/Al composite laminate.It was indicated that vibration assisting hot pressing was a feasible technique for the fabrication of Mg-based composite laminates reinforced with uncoated carbon fibers.