Feasibility study of shell element-based elastic FE approach for welding-induced thermal distortion prediction in HDPE welded structures

Lee, Jae-Min

doi:10.1016/j.ijnaoe.2023.100559

International Journal of Naval Architecture and Ocean Engineeri

2023

DOI: 10.1016/j.ijnaoe.2023.100559

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Feasibility study of shell element-based elastic FE approach for welding-induced thermal distortion prediction in HDPE welded structures

Jae-Min Lee

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2024

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Effect of Preheating Parameters on Extrusion Welding of High-Density Polyethylene Materials

Lee,

Woo,

Kwon

et al. 2024

Polymers

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High-density polyethylene (HDPE) has emerged as a promising alternative to fiber-reinforced plastic (FRP) for small vessel manufacturing due to its durability, chemical resistance, lightweight properties, and recyclability. However, while thermoplastic polymers like HDPE have been extensively used in gas and water pipelines, their application in large, complex marine structures remains underexplored, particularly in terms of joining methods. Existing techniques, such as ultrasonic welding, laser welding, and friction stir welding, are unsuitable for large-scale HDPE components, where extrusion welding is more viable. This study focuses on evaluating the impact of key process parameters, such as the preheating temperature, hot air movement speed, and nozzle distance, on the welding performance of HDPE. By analyzing the influence of these variables on heat distribution during the extrusion welding process, we aim to conduct basic research to derive optimal conditions for achieving strong and reliable joints. The results highlight the critical importance of a uniform temperature distribution in preventing defects such as excessive melting or thermal degradation, which could compromise weld integrity. This research provides valuable insights into improving HDPE joining techniques, contributing to its broader adoption in the marine and manufacturing industries.

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Effect of Preheating Parameters on Extrusion Welding of High-Density Polyethylene Materials

Lee,

Woo,

Kwon

et al. 2024

Polymers

View full text Add to dashboard Cite

show abstract

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Feasibility study of shell element-based elastic FE approach for welding-induced thermal distortion prediction in HDPE welded structures

Cited by 1 publication

References 12 publications

Effect of Preheating Parameters on Extrusion Welding of High-Density Polyethylene Materials

Effect of Preheating Parameters on Extrusion Welding of High-Density Polyethylene Materials

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