Results 61 to 70 of about 15,293 (287)

Strength and permeability of pervious composite prepared by using post-consumer plastic waste bottles

open access: yesMATEC Web of Conferences, 2018
This study focused on developing and evaluating a novel form of pervious polyethylene terephthalate (PET) plastic composite. This novel composite, called as PPC, produced from plastic waste, soil and aggregates, will offer an effective technique for ...
Solanki Pranshoo, Bhattarai Samikaran
doaj   +1 more source

High‐Performance Transparent, Deformable, and Recoverable Biomimetic Stevia–PVA Hydrogel Triboelectric Nanogenerator with Machine Learning‐Assisted Motion Recognition

open access: yesAdvanced Materials, EarlyView.
A transparent, deformable stevia–PVA hydrogel triboelectric nanogenerator delivers significantly enhanced mechanical strength and electrical output through biomimetic hydrogen‐bonded networks. Coupled with machine learning–assisted signal recognition, the self‐powered hydrogel enables accurate human‐motion sensing for intelligent wearable and IoT ...
Thien Trung Luu   +5 more
wiley   +1 more source

The indirect tensile strength of Palm Oil Fuel Ash (POFA) modified asphaltic concrete

open access: yes, 2014
The amount and nature of filler in asphaltic concrete mixes significantly affect its design and performance. The use of Palm oil fuel ash (POFA) as filler in asphaltic concrete has been studied with varying degree of success, this study therefore ...
Alkali, Ibrahim Abubakar   +2 more
core   +1 more source

Advances in Magnesium‐Based Thermoelectrics: A Critical Review

open access: yesAdvanced Materials, EarlyView.
Magnesium‐based thermoelectric materials have emerged as promising candidates for low‐to‐mid‐temperature energy conversion due to their abundance, low cost, and competitive performance. This review summarizes recent advances in Mg3X2, MgAgSb, and Mg2X systems, covering transport mechanisms, fabrication strategies, stability challenges, and device ...
Li‐Min Zhang   +5 more
wiley   +1 more source

An Assessment of the Micro-Tensile Bond Strength of Composites for Indirect Restoration to Enamel and Dentin

open access: yesJournal of Functional Biomaterials
This study aimed to evaluate the micro-tensile bond strength (µTBS) of two types of composites for indirect restoration, luted to enamel and dentin with self-adhesive cement. Moreover, it aimed to evaluate the impact of thermocycling on bond strength. Sixteen flat enamel and dentin surfaces of human molars were cemented to equal flat specimens of the ...
Viktoria Plamenova Petrova-Pashova   +2 more
openaire   +3 more sources

Verification of Indirect Tensile Strength of Weathered Mudstone from H-Ometer Test Using Sigma/W Model [PDF]

open access: yes, 2002
This study presents the findings determine of a comparative study to indirect tensile strength from H-Ometer test and finite element method. H-Ometer tests were carried out on weathered mudstone specimens on the axial model.
Ahmad, Azura
core  

Strengthened Interfacial Coupling Between Self‐Assembled Monolayers and Bulk Heterojunctions Enables Thermally Stable Organic Solar Cells

open access: yesAdvanced Materials, EarlyView.
Molecularly engineered self‐assembled monolayers (SAMs) featuring extended conjugated terminals facilitate superior interfacial coupling with the organic solar cell active layer. By physically anchoring the local morphology, this design suppresses thermal degradation, allowing devices to operate at 85°C for 150 h before degrading to 90% of their ...
Gengxin Du   +17 more
wiley   +1 more source

MODELI ZA PROCJENU NEIZRAVNE ČVRSTOĆE VAPNENCA U SATURIRANOM STANJU

open access: yesRudarsko-geološko-naftni zbornik, 2016
There are a number of methods for estimating physical and mechanical characteristics. Principally, the most widely used method is regression, but recently, more sophisticated methods such as neural networks have frequently been applied as well. This paper presents the models of a simple and a multiple regression and neural networks –types Radial Basis ...
Briševac, Zlatko, Kujundžić, Trpimir
openaire   +4 more sources

Exciton Radiative Lifetimes in Hexagonal Diamond Ge and SixGe1–x Alloys

open access: yesAdvanced Optical Materials, EarlyView.
Strong room‐temperature photoluminescence reported in hexagonal Ge conflicts with theory predicting a nearly dark band edge. First‐principles calculations of excitonic radiative lifetimes fill a key gap in this debate, showing that pristine hexagonal Ge remains intrinsically weakly emissive, while Si alloying only modestly shortens the lifetime and ...
Michele Re Fiorentin   +2 more
wiley   +1 more source

Assessment of concrete anisotropy by means of compression and indirect tensile tests

open access: yesRevista IBRACON de Estruturas e Materiais, 2019
In reinforced concrete structural analysis and design it is normally assumed that the material is globally isotropic and homogeneous. Local departures from this model generally exert a minor influence on observed response and are therefore disregarded ...
L. E. KOSTESKI, E. MARANGON, J. D. RIERA
doaj   +1 more source

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