Mechanical Properties of Fast-Growing Poplar Reinforced with Carbon Fiber

Table 5

Value of α₁ and α₂.

	(5) + (6)	(5) + (7)	(5) + (8)	(6) + (7)	(6) + (8)	(7) + (8)	Average
α1	0.742	0.583	0.714	0.416	0.702	0.894	0.675
α2	1.245	1.463	1.283	2.190	1.361	0.113	1.276