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Microstructures high aspect ratio

High toughness Duplex microstructure with high aspect ratios... [Pg.303]

Microstructural observations have provided further evidence that the a-phase forms from the condensation of a vapor. Compos-Loriz and Riley (138) and Jennings (139) have proposed that ot-Si3N4 forms from reactions involving SiO, probably by a vapor-liquid-solid mechanism which tends to form needles or protruding crystals with high aspect ratios. It has also been observed on nitrided... [Pg.203]

Fig. 9.5 High aspect ratio microstructures (height 50 xrr, spacing ... Fig. 9.5 High aspect ratio microstructures (height 50 xrr, spacing ...
Each kind of CNs has a characteristic size, aspect ratio, morphology, crystallinity, crystal structure, and properties. Figure 13.7a shows the microstructure of the T-CNs prepared by acid hydrolyzation. T-CNs have a high-aspect-ratio [20-30 nm wide, 0.5-4 pm in length], are about 100% cellulose, highly crystalline [85-100%] and containing a high fraction of crystal structure [ 90%] [19, 28-30]. After sonicatlon, the T-CNs became much... [Pg.480]

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See also in sourсe #XX -- [ Pg.247 ]



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Aspect ratio

High aspect ratio

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