نتایج جستجو برای: glass fibres

تعداد نتایج: 87854  

Journal: :Frontiers in Mechanical Engineering 2023

Bonding synthetic fibres to metals improve strength, durability, and corrosion resistance is a prevalent practise in the automotive, marine, aerospace industries. Lap shear adhesion, measurement of bonding strength between composites metallic substrates, essential for structural integrity. The emergence natural fibre as sustainable alternatives makes it investigate their lap behaviour effect vo...

Journal: :Proceedings of the Institution of Electrical Engineers 1976

2010
M. Freund

1 ide (mineral name: eskolaite) for the glass tank's lining. Due to its low solubility in the glass melt, the corrosion resistance of the fireproof material is remarkably improved. Though, a high commodity price and an extensive preparation and processing causes a high price. That condition poses the question, how high or low the eskolaite content has to be, depending on its position in the gla...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2001
S Hippeli K Dornisch T Wiethege A Gillissen K M Müller E F Elstner

In this study we investigated relationships between redox properties and biodurability of crocidolite asbestos fibres and three different man-made vitreous fibres (MMVF): traditional stone wool fibres (MMVF 21), glass fibres (MMVF 11) and refractory ceramic fibres (RCF). Each fibre type was incubated up to 22 weeks in four different incubation media: gamble solution (GS) pH 5.0 and pH 7.4, repr...

2017
Wilfried Blanc Valérie Mauroy Bernard Dussardier

Developing of new rare-earth (RE)-doped optical fibres for power amplifiers and lasers requires continuous improvements in the fibre spectroscopic properties (like shape and width of the gain curve, optical quantum efficiency, resistance to spectral hole burning and photodarkening,...). Silica glass as a host material for fibres has proved to be very attractive. However some potential applicati...

Journal: :Respiratory medicine 2000
M Drent P H Bomans R J Van Suylen R J Lamers A Bast E F Wouters

It is assumed that sarcoidosis is caused by inhalation of air borne agents in susceptible persons triggering the inflammatory reaction. The association of metallic dust exposure, such as beryllium and aluminium, and sarcoidlike pulmonary disorders is well known. The ability of man-made mineral fibres (MMMF) to cause granulomatous lung disease has not been appreciated until now. Recently, we obs...

Journal: :European journal of orthodontics 2007
Andreas Faltermeier Martin Rosentritt Rupert Faltermeier Dieter Müssig

In spite of their popularity in fulfilling aesthetic requirements, plastic brackets still present some disadvantages because of their low elastic modulus, decreased fracture toughness, and reduced wear resistance. Fibre-reinforced composites are well established in dentistry and consist of a polymer matrix in which reinforcing fibres are embedded. Stress is transferred from the polymer matrix t...

2016
Michael Rein Etgar Levy Alexander Gumennik Ayman F Abouraddy John Joannopoulos Yoel Fink

Fibres with electronic and photonic properties are essential building blocks for functional fabrics with system level attributes. The scalability of thermal fibre drawing approach offers access to large device quantities, while constraining the devices to be translational symmetric. Lifting this symmetry to create discrete devices in fibres will increase their utility. Here, we draw, from a mac...

2014
F. A. Martinsen B. K. Smeltzer M. Nord T. Hawkins J. Ballato U. J. Gibson

Vertically aligned radial-junction solar cell designs offer potential improvements over planar geometries, as carrier generation occurs close to the junction for all absorption depths, but most production methods still require a single crystal substrate. Here, we report on the fabrication of such solar cells from polycrystalline, low purity (99.98%) p-type silicon starting material, formed into...

2017
Abu-Hussein Muhamad

Fiber reinforced composites are high strength filling materials composed of conventional composites and glass fibres. They exhibit extensive applications in different fields of dentistry. This clinical report present a case where FRC technology was successfully used to restore central maxillary incisor edentulous area in terms of esthetic-cosmetic values and functionality.

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