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

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

Acta Mechanica et Automatica
Volume 19 (2025): Issue 2 (June 2025)
By: Maciej OBST  
Open Access
|Jun 2025

Figures & Tables

Fig. 1.

Strip cut from a sheet of tested LDPE film

Fig. 2.

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°

Fig. 4.

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°

Fig. 6.

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

Fig. 8.

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

Fig. 10.

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

Fig. 12.

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

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

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
DOI: https://doi.org/10.2478/ama-2025-0032 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
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Language: English
Page range: 258 - 267
Submitted on: Nov 4, 2024
|
Accepted on: Apr 14, 2025
|
Published on: Jun 26, 2025
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
LDPE polymer,
Low Density Polyethylene,
static mechanical properties,
force pulse,
LDPE dynamic properties,
mechanical energy dissipation,
LDPE mechanical properties,
mechanical state of the LDPE
Related subjects:
Engineering,
Electrical engineering,
Electronics,
Mechanical engineering,
Mechanics,
Bioengineering and biomedical engineering,
Biomechanics,
Civil engineering,
Environmental engineering

© 2025 Maciej OBST, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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