Table 17 Analysis of dismantling difficulty of recycling.

From: Peony diagram modeling for improving the easy disassembly design of mobile electronic products

Smartphones model

Difficulty of disassembling target parts

Additional disassembly difficulty

Total

Disassembly efficiency of recycling

“Smartphones A”

2.733

3.858

6.591

41%

“Smartphones B”

6.684

2.725

9.409

71%