Material Selection of Green Design Processes for Car Body via considering Environment Property

Table 10

The values of R⁺ and R⁻.

	R^+	R^−	R
Steels	0.8481	0.7889	0.5181
Aluminum alloy	0.8571	0.7765	0.5247
Sheet molding compound	0.7511	0.7941	0.4861
Lightweight SMC	0.7232	0.8358	0.4639
Polypropylene	0.7794	0.8791	0.4699
GMT	0.7419	0.8356	0.4703
PP-LGF	0.7295	0.8412	0.4645
Thermoplastics polyolefin	0.8073	0.8599	0.4842
Carbon fiber/epoxy composites	0.7913	0.8088	0.4945
S-glass fiber/epoxy composites	0.7329	0.8438	0.4648