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. 2019 May 7;11(23):21166–21176. doi: 10.1021/acsami.9b04696

Figure 4.

Figure 4

(a) Fracture surface of UT composites after the longitudinal tensile test (×250); (b) fracture surface of GO 0.5-coated composites after the longitudinal tensile test (×250); (c) fracture surface of G1 flake-modified composites after the longitudinal tensile test (×250); (d) fracture surface of UT composites after the transverse tensile test (×250); (e) fracture surface of GO 0.5-coated composites after the transverse tensile test (×250); (f) fracture surface of G1 composites after the transverse tensile test (×250); (g) optical microscopic cross-sectional image of alkali-treated jute fiber composites with higher magnification (×1000); (h) optical microscopic cross-sectional image of GO-coated jute fiber composites with higher magnification (×1000); and (i) fiber splits in the GO-coated specimen after the tensile test.