Wear
Mostrando 1-12 de 801 artigos, teses e dissertações.
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1. O peróxido de hidrogênio (água oxigenada) tem efeito viricida eficaz, como bochecho pré-operatório (antes da realização de procedimentos odontológicos), no contexto da pandemia de COVID19?
Não, pois não há suporte na literatura científica para indicação de colutórios (bochechos) à base de peróxido de hidrogênio (água oxigenada) para controle da infecção viral como um todo, e do SARS COV2, em particular, associado com a falta de substantividade desses produtos, portanto, sua indicação em odontologia e protocolos de atendimento
Núcleo de Telessaúde Estado São Paulo. Publicado em: 12/06/2023
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2. Analysis of Al2O3-ZrO2 ceramic insert in turning process of Ti-6Al-4V alloy using grey Taguchi-based response surface methodology (GT-RSM)
Abstract The present investigation aimed at a sustainable green turning operation of Ti-6Al-4V alloy using multi-objective optimization of surface roughness, tool flank wear, material removal rate, and tool wear loss with cutting speed, feed rate, and depth of cut as input parameters. The experiments were performed on a CNC lathe machine using an alumina-zir
Cerâmica. Publicado em: 2022
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3. SPECIAL ARTICLE COVID-19: Safety for the Rhinologist in the Age of COVID-19: Mask Use, Nasal Corticosteroids, Saline Irrigation, and Endoscopic Procedures - Literature Review
Abstract Introduction Coronavirus disease 2019 (COVID-19) has claimed millions of lives. Adequate protection of the professionals involved in patient care is essential in the battle against this disease. However, there is much uncertainty involving safety-relarted topics that are of particular interest to the rhinologist in the context of COVID-19. Objecti
International Archives of Otorhinolaryngology. Publicado em: 2022
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4. Heat treatment analysis of ASTM A106 steel spheroidization and erosive wear at high temperatures
Abstract The microstructures of steels are altered when exposed to high working temperatures for long periods, which results in varied physical and chemical proprieties. This study evaluates the erosive wear behavior of ASTM A106 steel after it is exposed to high temperatures for long durations. Samples of normalized ASTM A106GrB steel were placed in a muffl
REM, Int. Eng. J.. Publicado em: 2020-12
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5. ACELEROMETRIA SUBESTIMA GASTO ENERGÉTICO EM CIRCUITOS DE TREINAMENTO DE FORÇA
RESUMO Introdução: A acelerometria é um método muito preciso para determinar o gasto energético (GE) no treinamento de resistência. No entanto, são necessários mais estudos para provar sua precisão no treinamento de força. Objetivos: Comparar o GE obtido por acelerometria e calorimetria indireta em três diferentes circuitos de treinamento de for
Rev Bras Med Esporte. Publicado em: 2020-10
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6. Effect of LZSA glass-ceramic addition on the erosive wear of pressureless sintered alumina
Abstract This study aims to evaluate the influence of the 11.6Li2O-16.8ZrO2-68.2SiO2-3.4Al2O3 (mol%) glass-ceramic addition (LZSA, 7 to 21 vol%) on the erosive wear of alumina in comparison to values of pure alumina obtained from the literature. Thus, composites were prepared from three commercial alumina of different initial particle sizes. Specimens were o
REM, Int. Eng. J.. Publicado em: 2020-06
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7. Influência da qualidade do sono na mácula e na camada de fibras nervosas da retina de adolescentes caucasianos saudáveis: uma avaliação transversal por tomografia de coerência ótica
Resumo Objetivo: A má qualidade do sono afeta a estrutura neuronal do sistema nervoso central. O objetivo do presente estudo foi investigar os efeitos da qualidade do sono sobre a espessura da camada de fibras nervosas da retina (CFNR), a mácula e o complexo de células ganglionares (CCG) de adolescentes caucasianos saudáveis submetidos a tomografia de c
Rev. bras.oftalmol.. Publicado em: 2020-06
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8. Effect of titanium and nitrogen inoculation on the microstructure, mechanical properties and abrasive wear resistance of Hadfield Steels
Abstract The effect of titanium and nitrogen addition on Hadfield steels was investigated. In order to do this, two grades of steels were produced in terms of titanium and nitrogen addition. The final samples had their microstructure characterized and their mechanical properties were evaluated by uniaxial tensile and Charpy impact tests. Furthermore, the wea
REM, Int. Eng. J.. Publicado em: 2020-03
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9. FREGE’S PUZZLE IS HERE TO STAY: TRIVIALITY AND INFORMATIVITY IN NATURAL LANGUAGES
Abstract Frege’s puzzling remarks on the beginning of On Sense and Reference challenge us to explain how true identity sentences of the form a = a can differ in cognitive value from sentences of the form a = b when they are made true by the same object’s self-identity. Some philosophers (e.g. Almog, Glezakos and Paganini) suggest that the puzzle cannot b
Manuscrito. Publicado em: 2020-03
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10. CAN BASAL CUTTING BLADE WEAR AFFECT SUGARCANE REGROWTH?
ABSTRACT Sugarcane harvester cutting blade wear increases ratoon damages and losses, impairing sugarcane regrowth. This study aimed to evaluate the quality of basal cut using ratoon damage and loss indexes and correlating them with effects on sugarcane regrowth. Harvest parameters such as plant height and position, damage and loss indexes, and stem length we
Eng. Agríc.. Publicado em: 2020-02
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11. Effect of Welding Parameters on Nanostructured Fe-(C, B)-(Cr, Nb) Alloys
New nanostructured Fe-(Nb,Cr)-(C,B) multicomponent alloys have been developed for hardfacing application. They have better wear resistance than traditional Fe-Cr-C alloys. The nano-alpha-Fe, eutectic and hard carboborides phases of the weld metal usually show variations with the welding procedure. 6 test samples with different heat input were welded. It was
Mat. Res.. Publicado em: 20/01/2020
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12. Effect of TiC Particles Concentration on Microstructure and Properties of Ni-TiC Composite Coatings
A kind of novel anti-wear Ni-TiC composite coatings was deposited successfully on 42CrMo steel by pulsed electrodeposition method with various TiC particles concentration. The effect of TiC concentration on morphologies and properties of Ni-TiC composite coatings were investigated and the optimum concentration of TiC particle was obtained. Results demonstrat
Mat. Res.. Publicado em: 20/01/2020