Finite Element Analysis of a Natural Fiber (Maize) Composite Beam

Table 4

Percent crystallinity and crystallinity index for maize stalk fibers.

Maize stalk fiber	2θ (degree)		Crystallinity (%)	Crystallinity index
	𝐼C	𝐼A
Raw	29.46°	22.58°	56.71	0.044
Alkali treated	29.28°	22.44°	56.61	0.233
Chemically treated with unsaturated polymer	28.12°	20.36°	58.00	0.275