Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation

Summary: This study explores the effects of gamma irradiation on the mechanical and water absorption properties of flax fabric–reinforced epoxy composites for aerospace applications. Composites were fabricated using a manual lay-up technique and subjected to irradiation doses of 0, 100, 300, and 500...

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Main Authors: Madhu P, Sharath B N, Srinath M S, Pradeep S, Femiana Gapsari, Ari Wahjudi, Sanjay M R, Suchart Siengchin
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:iScience
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589004225007928
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author Madhu P
Sharath B N
Srinath M S
Pradeep S
Femiana Gapsari
Ari Wahjudi
Sanjay M R
Suchart Siengchin
author_facet Madhu P
Sharath B N
Srinath M S
Pradeep S
Femiana Gapsari
Ari Wahjudi
Sanjay M R
Suchart Siengchin
author_sort Madhu P
collection DOAJ
description Summary: This study explores the effects of gamma irradiation on the mechanical and water absorption properties of flax fabric–reinforced epoxy composites for aerospace applications. Composites were fabricated using a manual lay-up technique and subjected to irradiation doses of 0, 100, 300, and 500 k rad. The laminate that was irradiated at 300 k rad (L3) had the best tensile, flexural, impact, and interlaminar shear strengths, and it also absorbed the least amount of water. Scanning electron microscopy showed better interfacial bonding and fewer defects, which proved that L3 had better structural integrity and durability. These results highlight the potential of flax-epoxy composites as environmentally sustainable, durable, and lightweight materials for aerospace components. Their ability to withstand extreme conditions makes them suitable for structural panels, protective enclosures, and insulation layers in space applications. Further studies can refine these composites by exploring hybrid reinforcements and advanced fabrication methods for improved performance under diverse environmental conditions.
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institution Matheson Library
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publishDate 2025-07-01
publisher Elsevier
record_format Article
series iScience
spelling doaj-art-27e6d62b5dbb4ec99a2e05f8c4ccd6cd2025-06-29T04:52:45ZengElsevieriScience2589-00422025-07-01287112531Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiationMadhu P0Sharath B N1Srinath M S2Pradeep S3Femiana Gapsari4Ari Wahjudi5Sanjay M R6Suchart Siengchin7Department of Mechanical Engineering, Malnad College of Engineering (affiliated with Visvesvaraya Technological University, Belagavi), Hassan, Karnataka, India; Mechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, Indonesia; Corresponding authorDepartment of Mechanical Engineering, Malnad College of Engineering (affiliated with Visvesvaraya Technological University, Belagavi), Hassan, Karnataka, IndiaDepartment of Mechanical Engineering, Malnad College of Engineering (affiliated with Visvesvaraya Technological University, Belagavi), Hassan, Karnataka, IndiaDepartment of Mechanical Engineering, Malnad College of Engineering (affiliated with Visvesvaraya Technological University, Belagavi), Hassan, Karnataka, IndiaMechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, IndonesiaMechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, IndonesiaMechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, Indonesia; Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok 10800, Thailand; Corresponding authorNatural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok 10800, ThailandSummary: This study explores the effects of gamma irradiation on the mechanical and water absorption properties of flax fabric–reinforced epoxy composites for aerospace applications. Composites were fabricated using a manual lay-up technique and subjected to irradiation doses of 0, 100, 300, and 500 k rad. The laminate that was irradiated at 300 k rad (L3) had the best tensile, flexural, impact, and interlaminar shear strengths, and it also absorbed the least amount of water. Scanning electron microscopy showed better interfacial bonding and fewer defects, which proved that L3 had better structural integrity and durability. These results highlight the potential of flax-epoxy composites as environmentally sustainable, durable, and lightweight materials for aerospace components. Their ability to withstand extreme conditions makes them suitable for structural panels, protective enclosures, and insulation layers in space applications. Further studies can refine these composites by exploring hybrid reinforcements and advanced fabrication methods for improved performance under diverse environmental conditions.http://www.sciencedirect.com/science/article/pii/S2589004225007928Materials scienceMaterials synthesisComposite materials
spellingShingle Madhu P
Sharath B N
Srinath M S
Pradeep S
Femiana Gapsari
Ari Wahjudi
Sanjay M R
Suchart Siengchin
Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
iScience
Materials science
Materials synthesis
Composite materials
title Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
title_full Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
title_fullStr Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
title_full_unstemmed Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
title_short Mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
title_sort mechanical and structural optimization of flax fiber reinforced composites through controlled gamma irradiation
topic Materials science
Materials synthesis
Composite materials
url http://www.sciencedirect.com/science/article/pii/S2589004225007928
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