Results 91 to 100 of about 7,059 (228)

Deformation and annealing study of Nicraly [PDF]

open access: yes
Extensive experiments were carried out on the ODS alloy Nicraly, (an alloy prepared by mechanical alloying and consolidating a powder blend consisting of 16% chromium, 4% aluminum, 2-3% yttria, balance nickel), in efforts to develop methods of ...
Ebert, L. J., Trela, D. M.
core   +1 more source

Comparative Evaluation of Bulk-Fill Composite Resins: Knoop Microhardness, Diametral Tensile Strength and Degree of Conversion

open access: yesClinical, Cosmetic and Investigational Dentistry, 2022
Bruna Scarcello Strini,1 Joyce Figueiredo de Lima Marques,1 Renata Pereira,1 Danielle Ferreira Sobral-Souza,2 Vanessa Gallego Arias Pecorari,3 Priscila Christiane Suzy Liporoni,4 Flávio Henrique Baggio Aguiar1 1Department of Restorative Dentistry ...
Strini BS   +6 more
doaj  

Study of abrasive wear rate of silicon using n-alcohols [PDF]

open access: yes
The work carried out at the University of Illinois at Chicago for the Flat-Plate Solar Array Project under contract No. 956053 is summarized. The abrasion wear rate of silicon in a number of fluid environments and the parameters that influence the ...
Danyluk, S.
core   +1 more source

Improvement of mechanical and tribological properties in industrial tools by means of application of TiN/ZrN multilayer coatings

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2010
Most of the hard coatings have good wear and corrosion resistance; they have been widely used commercially to increase the life span of some industrial elements, for example, cutting tools, sprockets, bearings and components for industrial machinery. In
Maryory Astrid Gómez   +2 more
doaj  

The hardness and chemical changes in demineralized primary dentin treated by fluoride and glass ionomer cement

open access: yesRevista de Odontologia da UNESP
Background Fluoride plays an important role in the control of dental caries. Aim To evaluate the chemical exchange between restoration of glass ionomer cement of high viscosity (GIC) and primary dentin with application of sodium fluoride (NaF) 2 ...
Gisele Fernandes DIAS   +5 more
doaj   +1 more source

Deposición y caracterización de un sistema de recubrimiento duplex aplicado sobre acero para trabajo en caliente AISI H13 [PDF]

open access: yes, 2015
AISI H13 steel is widely used for extrusion moulds and other hot work tools fabrication, due to its high toughness, strength and hardness around 56 HRC (Rockwell C) -- However, this steel possesses a relatively low wear resistance, which reduces its life
Arroyave Franco, Mauricio   +2 more
core  

Electrophoretic deposition of gradated oxidation resistant coatings on tantalum-10 tungsten alloy [PDF]

open access: yes
Material selection and electrophoretic deposition studies of high temperature oxidation resistant coatings on tantalum-10 tungsten ...
Campbell, P. F.   +2 more
core   +1 more source

Evolutionary search for novel superhard materials: Methodology and applications to forms of carbon and TiO2

open access: yes, 2011
We have developed a method for prediction of the hardest crystal structures in a given chemical system. It is based on the evolutionary algorithm USPEX (Universal Structure Prediction: Evolutionary Xtallography) and electronegativity-based hardness model
Lyakhov, Andriy O., Oganov, Artem R.
core   +1 more source

Influence of niobium pentoxide addition on the properties of glass ionomer cements

open access: yesActa Biomaterialia Odontologica Scandinavica, 2016
Objective: To determine the influence of niobium pentoxide (Nb2O5) addition on the physical and chemical properties of glass ionomer cements (GICs). Materials and methods: Five, 10 or 20 wt.% of Nb2O5 were incorporated into commercial GICs (Maxxion R ...
Isadora Martini Garcia   +4 more
doaj   +1 more source

Ultra-ductile and low friction epoxy matrix composites

open access: yes, 2015
We present the results of an effective reinforcement of epoxy resin matrix with fullerene carbon soot. The optimal carbon soot addition of 1 wt. % results in a toughness improvement of almost 20 times.
Hadjiev, Viktor G.   +6 more
core   +1 more source

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