Effect of Sugar Palm Fiber Surface on Interfacial Bonding with Natural Sago Matrix

Figure 2

SEM image of matrix-fiber interface: (a) no immersion; (b) 1-week immersion; (c) 2-week immersion; (d) 3-week immersion; (e) 4-week immersion.

(a)

(b)

(c)

(d)

(e)