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A new method for obtaining model-free viscoelastic material properties from atomic force microscopy experiments using discrete integral transform techniques [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2021
Viscoelastic characterization of materials at the micro- and the nanoscale is commonly performed with the aid of force–distance relationships acquired using atomic force microscopy (AFM).
Berkin Uluutku   +2 more
doaj   +2 more sources

Vibration characteristic design of a multi-modal and multi-axis dynamic vibration absorber consists of viscoelastic material containing embedded ball-like mass

open access: yesNihon Kikai Gakkai ronbunshu, 2022
Recently, one of the authors proposed a multi-modal and multi-axis vibration reduction device against elastic vibrations of structures. The device is called eMDVA (embedded Mass Dynamic Vibration Absorber). The eMDVA consists of a ball-like mass embedded
Hikaru ISHIZAWA, Takahiro TOMIOKA
doaj   +1 more source

Damping parameters of a steel structure with a viscoelastic layer in the base node [PDF]

open access: yesMATEC Web of Conferences, 2019
The aim of the article is to estimate the damping properties of a steel structural element equipped with a viscoelastic layer (VS) in the base node. The viscoelastic material has a good energy dissipation properties, has a relatively high strength, and ...
Pawlak Zdzisław, Zwoliński Dawid
doaj   +1 more source

Viscoelastic-Induced Interlamellar Stromal Keratopathy (VISK) during Cataract Surgery in a Patient with a History of Laser in situ Keratomileusis

open access: yesCase Reports in Ophthalmology, 2022
A 47-year-old patient status post uncomplicated bilateral LASIK treatment presented with interlamellar stromal keratopathy induced by viscoelastic material during cataract surgery, decreasing her vision to CF (count fingers) postoperatively.
Matthew Chang   +4 more
doaj   +1 more source

Study on the Testing Method of Relaxation Modulus under Spherical Indenter Loading

open access: yesAdvances in Materials Science and Engineering, 2022
Viscoelastic materials are widely used in various fields. In order to better use viscoelastic materials in various working conditions, it is necessary to master the material properties of viscoelastic materials.
Xiong Li   +3 more
doaj   +1 more source

Steady-State Harmonic Vibrations of Viscoelastic Timoshenko Beams with Fractional Derivative Damping Models

open access: yesApplied Mechanics, 2021
Due to growing demands on newly developed products concerning their weight, sound emission, etc., advanced materials are introduced in the product designs. The modeling of these materials is an important task, and a very promising approach to capture the
Michael Klanner   +2 more
doaj   +1 more source

Impact Fatigue of Viscoelastic Materials Subjected to Pounding

open access: yesApplied Sciences, 2018
The pounding tuned mass damper (PTMD) is a novel vibration control device that can be used for many different structures. The PTMD utilizes a viscoelastic delimiter to enhance its vibration control effectiveness and robustness though pounding between the
Peng Zhang, Linsheng Huo, Gangbing Song
doaj   +1 more source

Noise Reduction Evaluation of Multi-Layered Viscoelastic Infinite Cylinder under Acoustical Wave Excitation

open access: yesShock and Vibration, 2008
In this paper sound transmission through the multilayered viscoelastic air filled cylinders subjected to the incident acoustic wave is studied using the technique of separation of variables on the basis of linear three dimensional theory of elasticity ...
M.R. Mofakhami   +2 more
doaj   +1 more source

Optimization of sound absorption performance of viscoelastic material based on Havriliak-Negami model

open access: yesHecheng xiangjiao gongye, 2021
The dynamic mechanical parameters of viscoelastic materials were optimized by the Havriliak-Negami (H-N) model and the layered medium model so as to improve the acoustic absorption performance of viscoelastic materials in low frequency.The results showed
YANG Wan-yu1; 2; YIN Yao1; BAI Guo-feng1
doaj   +1 more source

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