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Evaluating the Static and Dynamic Impact Properties of LDPE Film: Insights into Mechanical Energy Consumption

Maciej OBST

Maciej OBST

Institute of Applied Mechanics, Poznan University of TechnologyPoznań, Poland
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OBST, Maciej
  
Jun 26, 2025
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Published Online: Jun 26, 2025
Page range: 258 - 267
Received: Nov 04, 2024
Accepted: Apr 14, 2025
DOI: https://doi.org/10.2478/ama-2025-0032
Keywords
© 2025 Maciej OBST, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1.

Strip cut from a sheet of tested LDPE film
Strip cut from a sheet of tested LDPE film

Fig. 2.

Tested LDPE film. Visible technological straight lines and coordinates of cutting directions
Tested LDPE film. Visible technological straight lines and coordinates of cutting directions

Fig. 3.

Static stress σ on relative strain ε for angles: 0°, 45° and 90°
Static stress σ on relative strain ε for angles: 0°, 45° and 90°

Fig. 4.

Static Young's modulus E on relative strain ε for angles: 0°, 45° and 90°
Static Young's modulus E on relative strain ε for angles: 0°, 45° and 90°

Fig. 5.

Static energy density Ec[mJ/mm3] on relative strain ε for angles: 0°, 45° and 90°
Static energy density Ec[mJ/mm3] on relative strain ε for angles: 0°, 45° and 90°

Fig. 6.

Volumetric Energy change intensity Ec’[mJ/mm3] on relative strain for angles: 0°, 45° and 90°
Volumetric Energy change intensity Ec’[mJ/mm3] on relative strain for angles: 0°, 45° and 90°

Fig. 7.

Strip specimen with three displacement markers of the tested LDPE film
Strip specimen with three displacement markers of the tested LDPE film

Fig. 8.

Schematic of the impact load acting on the LDPE film strip specimen
Schematic of the impact load acting on the LDPE film strip specimen

Fig. 9.

LDPE film strip specimen under impact load. Initial and final elongation phase for angle 0°and flail drop height equal 1m
LDPE film strip specimen under impact load. Initial and final elongation phase for angle 0°and flail drop height equal 1m

Fig. 10.

Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 0.5m drop height
Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 0.5m drop height

Fig. 11.

Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 1m drop height
Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 1m drop height

Fig. 12.

Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 1.5m drop height
Dynamic elongation Δl [mm] as a function of time for angles: 0°, 45° and 90° and 1.5m drop height

Fig. 13.

Impact tension force F [N] as a function of flail drop heights h [m]. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 25-50mm and 0-50mm
Impact tension force F [N] as a function of flail drop heights h [m]. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 25-50mm and 0-50mm

Fig. 14.

Relative strain ε as a function of flail drop heights h [m]. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 25-50mm and 0-50mm
Relative strain ε as a function of flail drop heights h [m]. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 25-50mm and 0-50mm

Fig. 15.

Work of deformation per unit length W [mj/mm] as a function of flail drop heights h [m] calculated for ε = 0.15. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 2550mm and 0-50mm
Work of deformation per unit length W [mj/mm] as a function of flail drop heights h [m] calculated for ε = 0.15. Results for angles: 0°, 45° and 90° and three measuring sections 0-25mm, 2550mm and 0-50mm
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English
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4 times per year
Journal Subjects:
Engineering, Electrical Engineering, Electronics, Mechanical Engineering, Mechanics, Bioengineering and Biomedical Engineering, Biomechanics, Civil Engineering, Environmental Engineering
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