4
Advances in Materials Science and Engineering
7.300e + 003 6.692e + 003 6.084e + 003 5.475e + 003 4.867e + 003 4.259e + 003 3.650e + 003 3.042e + 003 2.434e + 003 1.825e + 003 1.217e + 002 6.087e + 002 3.235e − 001 1.270e − 012 1.164e − 012 1.058e − 012 9.522e − 013 8.464e − 013 7.406e − 013 6.348e − 013 5.290e − 013 4.232e − 013 3.174e − 013 2.116e − 013 1.058e − 013 1.000e − 033
(a) Stress contours
(b) Displacement contours Figure 5: The stress and displacement contours of models of corrugated board with three flutes.
900
0 1 2 3 4 5 6 7 8 9 10
1.5
2500
800
1.4
2000
700
1.3
1500
1.2
600
1000
1.1
500
500
1
2
3
4
5
6
1
2
3
4
5
6
e number of flutes Figure 6: Maximum stresses and maximum displacements of corrugated board models with different number of flutes.
Flute height (mm) Figure 8: Maximum stresses and maximum displacements of corrugated board models with different flute height.
5
0.30
3
0.30
Figure 7: Model of corrugated board with flute height 𝐻 of 5mm.
9.69
packaging cushioning design, we should determine the arc radius 𝑟 according to the actual packaging requirements.
Figure 9: Model of corrugated board with arc radius of 0.35 mm.
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