Preparation And Properties Of Nickel Composites Reinforced With Few Lawyers Graphene Sheet

In this paper, combustion synthesis of graphene, a series of trials and gainedsome independent design and innovation, completed the combustion synthesismethod improvement and further research. Combining combustion synthesis withheterogeneous machines and milling micro-mechanical automatic mechanicalstripping method method method of preparing a number of complex inquiry andverification results show that combustion synthesis method and ball milling processfor preparing a compound can be obtained relatively good quality graphene andobtained several groups of different processes graphene reinforced Ni-basedcomposite materials.Homogenizer studied first with micro-mechanical stripping method coarserparticle size of nickel powder nickel powder after separating coarse nano nickelpowder and then continue to peel and flake graphite composite material preparation,the results show a high-speed homogenizer can also be cut Cut stripping outrelatively thin graphene, but as a result of the separation of nickel powder plusreunion complex process resulting in low yields of graphene.Prepared by ball milling method several different processes and homogenizerprepared graphene composite powder and nickel powder by XRD tests foundhomogenizer composite powder prepared graphite (002)peak has weakened andbroadening trend, while the composite powder prepared by ball milling graphite(002)peak disappears by means of SEM and TEM, indeed documented explanationball milling method and prepared a large number of low-rise graphene, but with thenickel matrix composite in good condition, and studied different ball millingprocess on stripping out the impact of the quality of graphene, can be obtained todetermine300r×8h contain the largest number of graphene composite powder.By spark sintering process has been different graphene reinforced Ni-basedcomposite materials, by optical and scanning electron microscopy revealed thecomposite distribution of the number of graphene composite powders consistentcomposites prepared by ball milling the surface of graphene distribution relativelyuniform, the homogenizer composite material prepared by a larger graphite appears. Properties of the composites were tested. After temperature compressionperformance tested composites is much higher than the compression strength of acarbon material other nickel-based composite material reinforced compressivestrength, the yield strength of pure nickel nano3times; composite material after theheat treatment temperature, compressed significantly lower intensities of,indicating that the heat treatment graphene occurs inside a nickel substrate solutionprecipitation heat treatment process can be controlled by controlling the graphenereinforced Ni-based composite material compressive strength; composites at hightemperature compression performance tests show that graphene reinforced Ni-basedcomposite materials at elevated temperatures The mechanical properties of theenvironment was significantly decreased, indicating that graphene reinforcedNi-based composite materials used in high temperature remains to be further studiedand improved by thermal deformation curve calculated from nickel-based compositematerials, the thermal activation energy.