Journal ArticleDOI
Vibration characteristics of rotating pretwisted composite tapered blade with graphene coating layers
Wen Zhang,Y. Niu,Kamran Behdinan +2 more
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TLDR
In this paper, a new dynamic model of the rotating tapered cantilever cylindrical panel with the graphene coating layers is developed to investigate the vibration characteristics of a rotating pretwisted tapered blade.About:
This article is published in Aerospace Science and Technology.The article was published on 2020-03-01. It has received 83 citations till now. The article focuses on the topics: Centrifugal force & Cantilever.read more
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A unified modeling method for dynamic analysis of CFRC-PGPC circular arche with general boundary conditions in hygrothermal environment
Jing Zhao,Jing Zhao,Zhijiang Gao,Zhijiang Gao,Hui Li,Hui Li,Jialin Guan,Qingkai Han,Qingkai Han,Qingshan Wang +9 more
TL;DR: In this article, a unified modeling method is proposed to obtain the exact solution for dynamic analysis of carbon fiber reinforced composite (CFRC) circular arche with porous graphene platelet coating (PGPC) and general boundary conditions in hygrothermal environment.
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Rub-impact dynamic analysis of a rotor with multiple wide-chord blades under the gyroscopic effect and geometric nonlinearity
TL;DR: In this article , a Rub-impact model with multiple wide-chord blades was developed considering the gyroscopic effect and geometric nonlinearity induced by rub-impact. But the results reveal that high-order nonlinearities has little effort on vibrations during slight rub-interference.
Journal ArticleDOI
Nonlinear and dual-parameter chaotic vibrations of lumped parameter model in blisk under combined aerodynamic force and varying rotating speed
TL;DR: In this paper , the authors investigated the nonlinear and dual-parameter chaotic vibrations for the blisk structure with the lumped parameter model under combined the aerodynamic force and varying rotating speed.
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Modelling method and mistuning amplification analysis of the forced response for coated blisks in the presence of coatings-material nonlinearity
TL;DR: In this article, a linear reduced order model (ROM) for randomly mistuned blisks with linear coatings is developed by using the Craig-Bampton (C-B) method and an interface reduction technology firstly.
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Application of Improved Dynamic Substructure Finite Element Model-Based State-Space Techniques in Mistuned Blisks
TL;DR: A reduced-order model approach, i.e., an improved dynamic substructure finite element model-based state-space technique (IDSFEM-SST), is proposed to investigate the mistuned blisk and the modal frequencies and modal strain energy amplitudes are investigated.
References
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Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
TL;DR: Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.
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Enhanced mechanical properties of nanocomposites at low graphene content.
TL;DR: Graphene platelets significantly out-perform carbon nanotube additives in terms of mechanical properties enhancement, and may be related to their high specific surface area, enhanced nanofiller-matrix adhesion/interlocking arising from their wrinkled (rough) surface, as well as the two-dimensional geometry of graphene platelets.
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Dimensional crossover of thermal transport in few-layer graphene
Suchismita Ghosh,Wenzhong Bao,Denis L. Nika,Samia Subrina,Evghenii P. Pokatilov,Chun Ning Lau,Alexander A. Balandin +6 more
TL;DR: The observed evolution from two dimensions to bulk is explained by the cross-plane coupling of the low-energy phonons and changes in the phonon Umklapp scattering, shedding light on heat conduction in low-dimensional materials and may open up FLG applications in thermal management of nanoelectronics.
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Free and forced vibrations of functionally graded polymer composite plates reinforced with graphene nanoplatelets
TL;DR: In this paper, the free and forced vibration characteristics of functionally graded multilayer graphene nanoplatelet (GPL)/polymer composite plates within the framework of the first-order shear deformation plate theory were investigated.
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Nano-indentation studies on polymer matrix composites reinforced by few-layer graphene.
TL;DR: The mechanical properties of polyvinyl alcohol and poly(methyl methacrylate) (PMMA)-matrix composites reinforced by functionalized few-layer graphene (FG) have been evaluated using the nano-indentation technique and a significant increase in both the elastic modulus and hardness is observed.