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A platform for research: civil engineering, architecture and urbanism
Low-velocity impact damage research on 2-dimentional UHMWPE/CF hybrid woven laminates under preloading
https://orcid.org/0000-0002-7186-0337
https://orcid.org/0000-0002-5795-5807
Abstract This paper provides a comprehensive understanding of the influence mechanism of preloading on low-velocity impact resistance of Carbon Fiber Reinforced Polymer Composite (CFRP) Laminates toughened with Ultra-high Molecular Weight Polyethylene (UHMWPE) fiber in the form of two-dimensional hybrid woven. An innovative preloading apparatus with patent number CN110426278A was developed to apply two kinds of preloading: uniaxial tension and uniaxial compression. Three-dimensional distribution of internal damage and failure patterns obtained by high-resolution optical imaging and X-ray computed tomography, together with Scanning Electron Microscope (SEM) were employed to explain the experimental findings and relevant failure mechanisms.
Highlights Impact on preloaded laminate results in a larger contact force and a smaller deflection compared to the non-preload one. A reduction of the inter-ply damage due to certain tensile preload is accompanied by an increase in intra-ply damage. The main energy absorption mode under tensile prestress is fiber tensile fracture. Fiber compressive failure and delamination are the main energy absorption modes under compressive prestress.
Low-velocity impact damage research on 2-dimentional UHMWPE/CF hybrid woven laminates under preloading
https://orcid.org/0000-0002-7186-0337
https://orcid.org/0000-0002-5795-5807
Abstract This paper provides a comprehensive understanding of the influence mechanism of preloading on low-velocity impact resistance of Carbon Fiber Reinforced Polymer Composite (CFRP) Laminates toughened with Ultra-high Molecular Weight Polyethylene (UHMWPE) fiber in the form of two-dimensional hybrid woven. An innovative preloading apparatus with patent number CN110426278A was developed to apply two kinds of preloading: uniaxial tension and uniaxial compression. Three-dimensional distribution of internal damage and failure patterns obtained by high-resolution optical imaging and X-ray computed tomography, together with Scanning Electron Microscope (SEM) were employed to explain the experimental findings and relevant failure mechanisms.
Highlights Impact on preloaded laminate results in a larger contact force and a smaller deflection compared to the non-preload one. A reduction of the inter-ply damage due to certain tensile preload is accompanied by an increase in intra-ply damage. The main energy absorption mode under tensile prestress is fiber tensile fracture. Fiber compressive failure and delamination are the main energy absorption modes under compressive prestress.
Low-velocity impact damage research on 2-dimentional UHMWPE/CF hybrid woven laminates under preloading
https://orcid.org/0000-0002-7186-0337
https://orcid.org/0000-0002-5795-5807
Abstract This paper provides a comprehensive understanding of the influence mechanism of preloading on low-velocity impact resistance of Carbon Fiber Reinforced Polymer Composite (CFRP) Laminates toughened with Ultra-high Molecular Weight Polyethylene (UHMWPE) fiber in the form of two-dimensional hybrid woven. An innovative preloading apparatus with patent number CN110426278A was developed to apply two kinds of preloading: uniaxial tension and uniaxial compression. Three-dimensional distribution of internal damage and failure patterns obtained by high-resolution optical imaging and X-ray computed tomography, together with Scanning Electron Microscope (SEM) were employed to explain the experimental findings and relevant failure mechanisms.
Highlights Impact on preloaded laminate results in a larger contact force and a smaller deflection compared to the non-preload one. A reduction of the inter-ply damage due to certain tensile preload is accompanied by an increase in intra-ply damage. The main energy absorption mode under tensile prestress is fiber tensile fracture. Fiber compressive failure and delamination are the main energy absorption modes under compressive prestress.
Low-velocity impact damage research on 2-dimentional UHMWPE/CF hybrid woven laminates under preloading
Hu, Yuan (author) / Liu, Dongsheng (author) / Guo, Jian (author) / Shi, Yaoyao (author) / Shan, Chenwei (author)
Thin-Walled Structures ; 161
2021-01-13
Article (Journal)
Electronic Resource
English
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