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Supercritical Fluids and Their Application to the Recycling of High-Performance Carbon Fibre Reinforced Composite Materials

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Supercritical Fluids and Their Application to the Recycling of High-Performance Carbon Fibre Reinforced Composite Materials ( supercritical-fluids-and-their-application-recycling-high-pe )

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Figure 98: SEM Micrographs of virgin samples of cured epoxy resin showing; a.) top surface, Mag = 250x, WD = 10.2; b.) cross-section, Mag = 2500x, WD= 10.1.....................................244 Figure 99: SEM micrographs for decomposition in scEtOH as a function of reaction time. [EtOH]=100%,[Cs2CO3]=10mgml-1,T=573K;a.)t=0min,Mag=85x,WD=10.1; b.)t= 0 min, Mag 650x, WD = 10.1; c.) t = 10 min, Mag = 120x, WD 9.0; d.) t = 10 min, Mag 200x, WD = 9.0.................................................................................................................................245 Figure 100: SEM micrographs for decomposition in scEtOH as a function of reaction time. [EtOH]=100%,[Cs2CO3]=10mgml-1,T=573K;a.)t=30min,Mag=350x,WD=9.0; b.)t = 30 min, Mag 250x, WD = 9.0; c.) t = 45 min, Mag = 90x, WD 9.0; d.) t = 45 min, Mag 350x, WD = 10..................................................................................................................................246 Figure 101: SEM micrographs for decomposition in scPrOH as a function of reaction time. [PrOH]=100%,[Cs2CO3]=10mgml-1,T=573K;a.)t=0min,Mag=80x,WD=10.0; b.)t= 0 min, Mag 3500x, WD = 9.6; c.) t = 10 min, Mag = 200x, WD 8.1; d.) t = 10 min, Mag 250x, WD = 8.1.................................................................................................................................249 Figure 102: EDX Analysis of solid deposits on the surface of epoxy resin post-processing ..250 Figure 103: SEM micrographs for decomposition in scPrOH as a function of reaction time. [PrOH]=100%,[Cs2CO3]=10mgml-1,T=573K;a.)t=30min,Mag=250x,WD=8.4; b.)t = 30 min, Mag 800x, WD = 8.4; c.) t = 45 min, Mag = 85x, WD 10.2; d.) t = 45 min, Mag 500x, WD = 10.2...............................................................................................................................251 Figure 104: SEM micrographs of swelling derived fissure evolution. [PrOH] = 100 %, [Cs2CO3] =10mgml-1,T=573K;a.)t=0min,Mag=12,000x,WD=9.6; b.)t=10min,Mag2,000x, WD = 8.1; c.) t = 30 min, Mag = 3,500x, WD 8.4; d.) t = 45 min, Mag 2,000x, WD = 10.4.....253 22

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