Articles with "open hole" as a keyword



Implementation of a new approach based on the functionally graded materials concept to improve the strength of laminated composites containing open‐hole

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.28624

Abstract: The main objective of the present study is to implement a functionally graded materials (FGM) technique to reduce the hole effect in fiber reinforcement polymers. The tensile and fracture behaviors of conventional and FGM composites… read more here.

Keywords: open hole; graded materials; hole; functionally graded ... See more keywords

Bending behavior and damage evolution of GLARE laminate using in‐situ AE technology and FEM

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.28706

Abstract: GLARE laminate experiences multiple damage modes during bending failure, including fiber fracture, matrix cracking, interlayer delamination, and fracture of aluminum alloy. In most cases, two or more failure modes occur together, which makes the damage… read more here.

Keywords: open hole; technology; glare; damage ... See more keywords

Mechanical properties of open‐hole unidirectional laminates: Hybridization of jute unidirectional fabrics with glass fabrics

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.29207

Abstract: This study examines the mechanical properties of open‐hole unidirectional laminates by hybridizing jute and glass fabrics. Characterization involved microscopy, thickness variation, density measurements, tensile, and flexural tests. Numerical models were developed for each configuration, validated… read more here.

Keywords: open hole; mechanical properties; properties open; hole unidirectional ... See more keywords

A new three-dimensional progressive damage model for fiber-reinforced polymer laminates and its applications to large open-hole panels

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Published in 2019 at "Composites Science and Technology"

DOI: 10.1016/j.compscitech.2019.107757

Abstract: Abstract With fiber-reinforced Polymers (FRPs) widely used in aircraft, design and analysis of the mechanical performance and stability of structures and parts made of FRPs with various open-holes become very important. Currently, accurately predicting the… read more here.

Keywords: fiber reinforced; damage; model; open hole ... See more keywords

Compressive failure of woven fabric reinforced thermoplastic composites with an open-hole: An experimental and numerical study

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Published in 2019 at "Composite Structures"

DOI: 10.1016/j.compstruct.2019.01.070

Abstract: Abstract This research presents a detailed experimental and numerical study on the compressive failure of woven fabric reinforced thermoplastic composites, with an open-hole and with a pinned open-hole. The experimental evaluations are performed on the… read more here.

Keywords: fabric reinforced; failure; woven fabric; open hole ... See more keywords
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Effects of drilling strategies for CFRP/Ti stacks on static mechanical property and fatigue behavior of open-hole CFRP laminates

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Published in 2021 at "Journal of Manufacturing Processes"

DOI: 10.1016/j.jmapro.2021.01.036

Abstract: Abstract Hybrid carbon fiber reinforced polymer (CFRP)/titanium alloy (Ti) stacks are the key load-bearing components in the aircraft structure. However, CFRP/Ti stack has poor machinability and defects are easily caused in the drilling process, resulting… read more here.

Keywords: cfrp stacks; cfrp; hole cfrp; cfrp laminates ... See more keywords

Improved DTS profiling model for horizontal gas wells completed with the open-hole multi-stage fracturing system

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Published in 2020 at "Journal of Natural Gas Science and Engineering"

DOI: 10.1016/j.jngse.2020.103642

Abstract: Abstract The fiber-optic distributed temperatrue sensor (DTS) has been used for flow profiling in horizontal multi-stage fractured wells, and several reservoir/wellbore coupled thermal models were developed. Although these theoretical models are applicable only to some… read more here.

Keywords: multi stage; gas; model; stage ... See more keywords

Progressive damage simulation of open-hole composite laminates under compression based on different failure criteria

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Published in 2017 at "Journal of Composite Materials"

DOI: 10.1177/0021998316659776

Abstract: The strength prediction of open-hole fibre-reinforced composite laminate under compression is very important in the design of composite structures. The modelling of fibre, matrix damage and delamination plays an important role in the understanding of… read more here.

Keywords: compression; progressive damage; damage; failure ... See more keywords
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Failure simulations of open-hole IM7/977-3 coupons subjected to fatigue loading using Autodesk Helius PFA

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Published in 2017 at "Journal of Composite Materials"

DOI: 10.1177/0021998316669579

Abstract: Finite element simulations of three laminates in open-hole configuration subjected to constant amplitude tension–tension fatigue loading are investigated as part of the Damage Tolerant Design Principles program organized by the Air Force Research Laboratory. All… read more here.

Keywords: fatigue loading; fatigue; im7 977; autodesk helius ... See more keywords

Experimental and numerical investigation on the open-hole compressive strength of AFP composites containing gaps and overlaps

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Published in 2017 at "Journal of Composite Materials"

DOI: 10.1177/0021998317690917

Abstract: Laminated composite structures manufactured via the automated fiber placement process inherently contain process defects know as gaps and overlaps. These defects raise concerns when they are located on or near holes intended for mechanical fastening.… read more here.

Keywords: strength; fiber placement; automated fiber; gaps overlaps ... See more keywords

Experimental and numerical study on open-hole tension/compression properties of carbon-fiber-reinforced thermoplastic laminates

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Published in 2022 at "Journal of Composite Materials"

DOI: 10.1177/00219983221096880

Abstract: The stress-strain responses and damage initiation/propagation mechanisms of T700G/LM-PAEK, an open-hole carbon-fiber-reinforced thermoplastic were investigated experimentally and numerically. To obtain the mechanical properties necessary for numerical simulations, uniaxial tensile/compressive, double cantilever beam, and end notched… read more here.

Keywords: fiber reinforced; hole; carbon fiber; reinforced thermoplastic ... See more keywords