Results 161 to 170 of about 521,402 (361)

Highly Efficient 3D‐Printed PVDF‐Based Triboelectric Nanogenerators Featuring Polymorphic Perovskite Nanofillers

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates the use of a low‐cost 3D printing technique to prepare a large‐area PVDF‐FAPbI3 composite dielectric film for flexible TENG application. The δ→α phase transformation of the FAPbI3 nanofillers has significantly improved the β‐phase content, morphology, and dielectric properties of the PVDF film.
Nurfatin Hafizah Zain Karimy   +7 more
wiley   +1 more source

Shear strength analysis of concrete beams reinforced with GFRP bars using strut and tie model [PDF]

open access: yes, 2011
This dissertation presents an experimental investigation on the behavior and ultimate shear strength of reinforced concrete beam. Sixteen reinforced concrete beams was design and tested to failure. This study consists of two series of beams, which are
Mokhtar, Norfaniza
core  

Hydrophilic direct bonding of (100) diamond and deposited SiO$_2$ substrates [PDF]

open access: yesarXiv
Diamond has emerged as a leading material for solid-state spin quantum systems and extreme environment electronics. However, a major limitation is that most diamond devices and structures are fabricated using bulk diamond plates. The absence of a suitable diamond-on-insulator (DOI) substrate hinders the advanced nanofabrication of diamond quantum and ...
arxiv  

Solution‐Processable and Ambient‐Stable Highly Conductive p‐Type Polymers Derived from Dihydropyrazine and Ethylenedioxythiophene

open access: yesAdvanced Functional Materials, EarlyView.
This work presents π–conjugated polymers based on dihydropyrazine (DHP) and ethylenedioxythiophene (EDOT), developed to produce highly conductive, flexible films for printed electronics. By optimizing the DHP and EDOT ratio, strong and compact π–π stacking is achieved, resulting in polymer films with conductivities up to 1700 S cm−1 under ambient ...
Sung Jae Jeon   +3 more
wiley   +1 more source

Experimental Investigation of the Bond Performance at the Interface between Engineered Geopolymer Composites and Existing Concrete

open access: yesBuildings
Engineered geopolymer composite (EGC) exhibits ultra-high toughness, excellent crack control capability, and superior durability, making it highly promising for applications in bridge connecting slabs, wet joints of prefabricated components, and concrete
Zhibin Li   +7 more
doaj   +1 more source

Effect of Thermocycling, Teeth, and Polymerization Methods on Bond Strength Teeth-Denture Base

open access: yesInternational Journal of Dentistry, 2018
Objective. To evaluate the shear bond strength between different artificial teeth and denture base polymerized by two polymerization methods submitted to thermocycling. Materials and Methods.
Sandra Lúcia Andrade de Freitas   +3 more
doaj   +1 more source

Effects of filler addition to bonding agents on shear bond strength [PDF]

open access: green, 2002
Young Jin Oh   +5 more
openalex   +1 more source

A Strong and Water‐Retaining Biomass Adhesive Inspired by Tofu

open access: yesAdvanced Functional Materials, EarlyView.
Drawing inspiration from the formation mechanism of the traditional food tofu, a strong and water‐retaining adhesive is designed using the soybean meal (SM) oxidized by glucose oxidase (GOx) and calcium sulfate oligomer (CSO). This design strategy effectively addresses the conflicting requirements of water‐resistant bonding strength and water retention
Jiawei Shao   +8 more
wiley   +1 more source

EFFECT OF POST-DEFORMATION ANNEALING TREATMENT ON INTERFACE PROPERTIES AND SHEAR BOND STRENGTH OF Al-Cu BIMETALLIC RODS PRODUCED BY EQUAL CHANNEL ANGULAR PRESSING

open access: yesIranian Journal of Materials Science and Engineering, 2017
Effects of annealing treatment after equal channel angular pressing (ECAP) on the interface properties and shear bond strength of Al/Cu bimetallic rods were investigated. For the as-deformed samples, the one with two passes of ECAP indicated higher shear
H. Mirzakouchakshirazi   +2 more
doaj  

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