Ecodesign Enhancement of Polymeric Resins: Reinforcing with Synthetic and Natural Fibers Using Theory of Inventive Problem Solving-Algorithm of Inventive Problem Solving for Sustainable Composite Design

This study examines the enhancement of the mechanical strength of polymer resins through reinforcement with synthetic (glass) and natural (hemp, jute) fibers, using the TRIZ-ARIZ methodology to optimize composite design for improved mechanical properties, sustainability, and economic efficiency. Mec...

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Bibliographic Details
Published in:Polymers Vol. 16; no. 24; p. 3458
Main Authors: Dobrotă, Dan, Icociu, Cristina Vasilica, Lazăr, Sergiu, Racz, Sever-Gabriel, Moraru, Gina-Maria
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 10.12.2024
MDPI
Subjects:
Aerospace engineering
Algorithms
Carbon
Composite materials
Cost control
Design optimization
Engineers
Environmental sustainability
Fiber composites
Fiber-matrix adhesion
Glass fibers
Green technology
Hemp
Industrial efficiency
Interfacial bonding
Jute
Load
Mechanical properties
Mechanical tests
Moisture absorption
Polymers
Principles
Problem solving
Reinforcement
Resins
Scanning electron microscopy
Strength testing
Sustainable materials
Tensile strength
Thermal analysis
Thermal degradation
Thermal stability
Thermogravimetric analysis
Germany
polymeric composites
natural fiber reinforcement
sustainable materials
tensile strength enhancement
TRIZ-ARIZ methodology
ecodesign
mechanical performance optimization
ISSN:2073-4360, 2073-4360
Online Access:Get full text
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Summary:This study examines the enhancement of the mechanical strength of polymer resins through reinforcement with synthetic (glass) and natural (hemp, jute) fibers, using the TRIZ-ARIZ methodology to optimize composite design for improved mechanical properties, sustainability, and economic efficiency. Mechanical testing, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM) were conducted to evaluate the properties of the composite materials. Regarding tensile strength testing, the results showed the following: jute fiber achieved the best results, with a maximum tensile values of 43.75 MPa (partial reinforcement) and 43.53 MPa (complete reinforcement); glass fiber recorded maximum tensile values of 34.55 MPa (partial reinforcement) and 34.52 MPa (complete reinforcement); and hemp fiber yielded maximum tensile values of 24.98 MPa (partial reinforcement) and 24.86 MPa (complete reinforcement). The mechanical performance of partial reinforcements (in the area of maximum stress) was similar to that of complete reinforcements, enabling a reduction in material usage by up to 60%. The thermal analysis (TGA) results demonstrated that glass fiber-reinforced composites exhibit high thermal stability, with mass loss starting at 320 °C and a residual mass of 8.02%; for other composite materials, thermal degradation begins at 305 °C, with a residual mass of 3.69%; in jute fiber-reinforced composites, thermal degradation starts at 300 °C, with a residual mass of 3.71%. SEM analysis generally revealed good fiber–matrix adhesion, while defects such as voids or detached fibers contributed to reduced mechanical strength. These results demonstrate that natural fiber-reinforced composite materials, particularly those reinforced with jute, can be used in sustainable engineering applications. They also show that localized reinforcement provides high performance with minimal resource consumption.
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These authors contributed equally to this work.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16243458