3. Results
The mean values and standard deviation of modulus of elasticity, flexural
strength, compressive strength, and degree of deflection for the six
different materials were calculated and compared (Table 2). A two-way
analysis of variance (ANOVA) test was done to study the effect of the
variables, and the inferential statistical technique analyzed the effect of
the variables (Table 3).
The results indicated that the flexural strength, degree of deflection,
compressive strength, and modulus of elasticity improved significantly
when the specimens were reinforced with polyester fibers. Thus, the
polyester materials that were reinforced had better properties than
the nonreinforced specimens (Fig. 9).