Results 31 to 40 of about 340,365 (303)

Study on Dynamic Modulus Prediction Model of In-Service Asphalt Pavement

Buildings
The dynamic modulus of in-service asphalt pavements serves as a critical parameter for the computation of residual life and the design of overlays. However, its acquisition is currently limited to laboratory dynamic modulus testing using a limited number
Duanyi Wang, Chuanxi Luo, Jian Li, Jun He   +3 more
doaj   +1 more source

Ratio of Loss and Storage Moduli Determines Restitution Coefficient in Low-Velocity Viscoelastic Impacts [PDF]

, 2020
Impact tests are an important tool to analyze dynamic material properties of viscoelastic media in technology and biology. In this context, rigorous contact mechanical models of the collision problem are necessary to adequately interpret data from impact
Willert, Emanuel
core   +1 more source

Static and Dynamic Bulk Moduli of Deepwater Reservoir Sands: Influence of Pressure and Fluid Saturation

Lithosphere, 2022
The static bulk modulus of unconsolidated sands is essential for predicting the in situ effective pressure to reduce drilling risks in deepwater reservoirs; however, the dynamic bulk modulus is often more broadly available from seismic or well logging ...
Yang Wang, De-Hua Han, Luanxiao Zhao, Hui Li, Teng Long   +4 more
doaj   +1 more source

Dynamic Hardness Tester and Cure Meter [PDF]

, 1993
The Shore hardness tester is used extensively throughout industry to determine the static modulus of materials. The new apparatus described here extends the capability of an indentor-type tester into the dynamic regime, and provides a measurement of the ...
Fiorito, Ralph B., Madigosky, Walter M.
core   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

Advanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian, Frédéric Demoly, Mohammad Lakhi, Bernard Rolfe, Mahdi Bodaghi   +4 more
wiley   +1 more source

Dynamic modulus characteristics and prediction model of semi-flexible materials filled with high-performance cement paste

Frontiers in Materials
The dynamic modulus of asphalt mixture is an important factor in the design of asphalt pavement, and many scholars have proposed different models for estimating the dynamic modulus of asphalt mixture, but there are almost no studies on the prediction of ...
Deyong Wang, Guoxun Li, Lingang Jiang, Huaizhi Zhang, Jie Zhang, Xiaowei Si   +5 more
doaj   +1 more source

Acoustic measurement of the low-energy excitations in Nd2-xCexCuO4

, 2002
The complex dynamic Young's modulus of ceramic Nd2-xCexCuO4 with x = 0, 0.05 and 0.20 has been measured from 1.5 to 100 K at frequencies of 1-10 kHz. In the undoped sample the modulus starts decreasing below ~20 K, instead of approaching a constant value
Cordero, F., Ferretti, M., Grandini, C. R.   +2 more
core   +1 more source

Probing viscoelastic properties of a thin polymer film sheared between a beads layer and quartz crystal resonator [PDF]

, 2009
We report measurements of viscoelastic properties of thin polymer films of 10-100 nm at the MHz range. These thin films are confined between a quartz crystal resonator and a millimetric bead layer, producing an increase of both resonance frequency and ...
Ballantine D. S., De Gennes P. G., J. Léopoldès, Royer D., X. Jia   +4 more
core   +3 more sources

Development and Preliminary In Vivo Study of 3D‐Printed Bioactive Glass Scaffolds with Trabecular Architecture

Advanced Engineering Materials, EarlyView.
This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov, Roberta Gabrieli, Avzal Akbarov, Nigora Nigmatova, Bekhzod Khabilov, Alessandro Schiavi, Martin Schwentenwein, Enrica Verné, Francesco Baino   +8 more
wiley   +1 more source

Comparison of stiffness parameters of two kinds of date palm using nondestructive test [PDF]

تحقیقات علوم چوب و کاغذ ایران, 2018
The goal of this study was to determine the modulus of elasticity and modulus of rapture of two kinds of date palm (Khasi and Hajmohammadi) using static bending and dynamic (flexural vibration) techniques.
Mohamad ali Sadatnia, noshin sattari, mehran roohnia, mohsen bahmani   +3 more
doaj   +1 more source