نتایج جستجو برای: alkali resistant glass fiber

تعداد نتایج: 402187  

Journal: :Langmuir : the ACS journal of surfaces and colloids 2006
Tom T Huang David G Taylor Kwan Seop Lim Miroslav Sedlak Rashid Bashir Nathan S Mosier Michael R Ladisch

Channel geometry combined with surface chemistry enables a stable liquid boundary flow to be attained along the surfaces of a 12 microm diameter hydrophilic glass fiber in a closed semi-elliptical channel. Surface free energies and triangular corners formed by PDMS/glass fiber or OTS/glass fiber surfaces are shown to be responsible for the experimentally observed wetting phenomena and formation...

Hashemi, Maryam , Nakhostin, Afrooz , Nourmohammadi, Shima ,

Background and Objective: Tooth decay and periodontal problems are among the most common human diseases which are considered unsolved health problems in most countries of the world. This study aimed to investigate and compare the shear bond strength of the fiber post with three different types of cement, including Glass ionomer, as well as Universal and Flowable composites. Materials and Metho...

Journal: :Materials and Structures 2021

The structural effectiveness of textile reinforced mortar (TRM) composites relies on their load transfer capacity to the substrate and interaction between mortar. bond plays a crucial role in mechanism TRM composites. Despite some recent investigations, deep understanding still needs be gained textile-to-mortar develop suitable analytical numerical predictive models, improve test methods, orien...

2017
Xian Feng Peter Horak Francesco Poletti

In this chapter, we will review the progress of using tellurite glass nonlinear fibers for mid-infrared nonlinear applications in this chapter. First, we introduce various fabrication approaches for making conventional solid core/clad tellurite glass preforms and structured tellurite glass preforms. Second, two technical difficulties have been found during the early stage of using small-core te...

2006
A. Koike M. Tomozawa

It is known that surface structural relaxation takes place more rapidly than bulk structural relaxation, especially in the presence of water vapor. The surface structural relaxation kinetics of the silica glass fiber and plates was compared at 950 C and the surface structural relaxation kinetics of silica glass fiber was found to be faster than that of the silica glass plate, even though the co...

Journal: :The Journal of prosthetic dentistry 2004
Begüm Akkayan

STATEMENT OF PROBLEM There are few published studies analyzing the effects of different ferrule lengths of endodontically treated teeth in relationship to newly developed fiber-reinforced and zirconia dowel systems. PURPOSE This in vitro study compared the effect of 3 different ferrule lengths on the fracture resistance and fracture patterns of crowned endodontically treated teeth restored wi...

Journal: :Optics letters 2011
Yiping Wang David Richardson Gilberto Brambilla Xian Feng Marco Petrovich Ming Ding Zhangqi Song

We demonstrate a technique for tapering periodically an all-solid soft glass fiber, consisting of two types of lead silicate glasses, by the use of a focused CO(2) laser beam and investigate the bend sensing applications of the periodically tapered soft glass fiber. Such a soft glass fiber with periodic microtapers could be used to develop promising bend sensors with a sensitivity of -27.75 μW/...

Journal: :international journal of advanced design and manufacturing technology 0
h. esfandiar s. daneshmand m. mondali

fiber metal laminates are hybrid laminates consisting of thin alternating bonded layers of aluminum and fiber/epoxy. arall (aramid aluminum laminate) and galare (glass fiber reinforced aluminum laminate) are specific kinds of fiber metal laminates that consist of thin aluminum sheets along with kevlar/epoxy and glass/epoxy composite layers, respectively. in this study, nonlinear tensile behavio...

Journal: Polyolefins Journal 2017

Grinded glass fiber (GGF) embedded high density polyethylene (HDPE) membranes were prepared via thermally induced phase separation method. FESEM images showed that all the membranes had leafy structure, indicating a solid-liquid mechanism during phase separation. The results of EDX and TGA analyses confirmed that the fibers were dispersed in the HDPE matrix uniformly. Normalized water flux of t...

Journal: :Materials advances 2022

Altering the CaO to ZnO ratio of alkali borosilicate glass, in favour ZnO, causes phase separation with hardystonite-like (Ca 2 ZnSi O 7 ) and willemite-like (ZnSi 4 structures identified. This is concurrent increased glass durability.

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