Paper Titles
Preface
Comparison of a Hybrid Pipe Design for Replacement of New and Corroded Steel Pipes Subjected to Transverse Impacts
p.3
An XFEM-Based Analysis on the Effect of Pre-Existing Cracks on the Woven GFRP with Central Side Edge Notch
p.9
The Application of a Hybrid Damage Modeling and Simulation Methodology to Composite Laminate Ultimate Strength Predictions
p.15
Evaluation of a Fiberglass Patching Kit for Repairing Cracked Steel Plates via the PZT-SLDV Lamb Wave Technique
p.21
Effect of Notch Shape and Size on the Mechanical Performance of Woven GFRP Laminate: A Numerical Investigation
p.27
Investigation of Pipe Failures in Sprinkler Systems: A Case Study
p.35
Characterization of a Low-Friction EPDM for Dynamic Sealings Applications: Tensile, Wear Behavior and Hot Water Resistance
p.45
3D-Printed Protective Button Covers for Technical Devices
p.55

Comparison of a Hybrid Pipe Design for Replacement of New and Corroded Steel Pipes Subjected to Transverse Impacts

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Abstract:

This study examines the performance of hybrid steel-GFRP pipes compared to steel pipes, with a focus on bonding properties and the occurrence of internal corrosion. Some pipes were worn screw-shaped to mimic the effects of corrosion. The hybrid material was manufactured from two steel pipes reinforced with GFRP, bonded with polyester resin and 10% styrene to reduce viscosity and prevent bubble formation. Distortion problems during the manufacture of the specimens are addressed. Results indicate greater deformation in the worn pipes than in the steel-only specimens, whereas the hybrid material showed no significant difference between the two types. The hybrid material supported higher loads in some probes, but only two hybrid probes failed. Strain gauges measured the deformations, and the composite material's behavior was examined under a microscope. The hybrid material presented a lower flexural modulus and greater compliance to cracking. Despite the performance of the proposed hybrid material not being able to stand up to steel’s superior mechanical properties, the study offers useful insights and recommendations for future research, backed by stress-strain graphs.

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Periodical:

Key Engineering Materials (Volume 1031)

Pages:

3-8

DOI:

https://doi.org/10.4028/p-fex7Md

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Online since:

November 2025

Authors:

Patrick Townsend*, Alex Nevarez, Mónica Carboneras

Keywords:

Compliance, Hybrid, Impact, Pipe Line

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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