Sliding Wear Tests
Mostrando 1-12 de 30 artigos, teses e dissertações.
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1. Avaliação tribológica de óleos hidráulicos biodegradável e mineral com deslizamento entre as ligas de Cu-Zn e WC-CoCr
RESUMO A correta seleção dos óleos lubrificantes e das superfícies de contato melhoram o desempenho e reduzem o consumo de energia das máquinas Por isso, a engenharia de superfícies propõe novos revestimentos aos quais seu comportamento tribológico combinado com o uso de óleos biodegradáveis em componentes de sistema hidráulicos, não são conheci
Matéria (Rio J.). Publicado em: 25/11/2019
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2. Efeito do metal de adição na resistência ao desgaste por deslizamento de um aço estrutural soldado por GMAW
RESUMO O objetivo do presente trabalho foi avaliar o efeito do metal de adição na soldagem, e das microestruturas resultantes, na resistência ao desgaste de juntas soldadas de um aço estrutural ASTM A242, que possui resistência à corrosão atmosférica e é utilizado na fabricação de vagões destinados ao transporte de minério. As amostras foram sol
Matéria (Rio J.). Publicado em: 16/09/2019
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3. Effect of Bead Overlapping on the Microstructure and Mechanical Properties of CoCrWC Alloy Coatings
In order to protect industrial components, cobalt base alloys are applied as hardfacing material through welding techniques. A large number of papers have shown that controlling the chemical composition is a key point regarding the wear and corrosion resistance of coatings. This paper investigated the effect of bead overlapping on the microstructure and prop
Mat. Res.. Publicado em: 17/09/2018
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4. Study of Mechanical and Wear Behaviour of Hyper-Eutectic Al-Si Automotive Alloy Through Fe, Ni and Cr Addition
Effect of Fe, Ni and Cr addition on the wear behavior of hyper-eutectic Al-Si automotive alloy has been studied. Dry sliding wear tests have been conducted using pin-on-disc wear testing machine under normal loads of 20N and constant sliding speed of 0.64 ms-1. Influence of Fe addition to the base alloy increases the wear rate due to the formation of needle
Mat. Res.. Publicado em: 11/06/2018
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5. HVOF-sprayed Coating Over AISI 4140 Steel for Hard Chromium Replacement
The replacement of electrolytic hard chrome (EHC) by high velocity oxy-fuel (HVOF) sprayed coatings is investigated due to the toxicity of EHC process. The wear behavior of AISI 4140 steel coated by HVOF-, EHC-process was compared to quenched and tempered (Q&T) steel using a pin-on-disc apparatus. The wear tests were conducted at room temperature, 10 N appli
Mat. Res.. Publicado em: 28/05/2018
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6. Lubricated Conditions Imposed on Coating Multi-layer on Wear Resistance Under Cr2O3 Effect
Lubricated pin-on-disk sliding wear tests were performed on applied to Al-0.1Mg-0.35Ni-Si Alloy by using the spray coating method has been investigated. Different loads were 5, 10, and 15 N at a sliding velocity, 1.32 m/s at room temperature and 60% relative humidity. The surfaces were analyzed by using X-ray diffraction the residual (XRD), energy dispersive
Mat. Res.. Publicado em: 16/04/2018
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7. Investigation on Friction and Wear Properties of High-Temperature Bearing Steel 9Cr18Mo
This paper presented a study of friction and wear on 9Cr18Mo when rubbed against other materials (steel-304, steel-440C, steel-GCr15 or silicon nitride ceramic ball) at high temperature conditions. Friction and wear tests were carried out with universal a friction and wear testing machine. The wear morphology was analyzed by a Nanovea three-dimensional profi
Mat. Res.. Publicado em: 05/04/2018
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8. Investigation of Adhesion and Tribological Behavior of Borided AISI 310 Stainless Steel
In the present study, the effects of the boriding process on adhesion and tribological properties of AISI 310 steel were investigated. Boriding was performed in a solid medium consisting of Ekabor-II powders at 1123 and 1323K for 2 and 6 h. The boride layer was characterized by optical microscopy, the X-ray diffraction technique and the micro-Vickers hardnes
Matéria (Rio J.). Publicado em: 2016-03
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9. Synthesis, Characterization and Dry Sliding Wear Behavior of In-situ Formed TiAl3 Precipitate Reinforced A356 Alloy Produced by Mechanical Alloying Method
In this present study, the effect of in-situ formed TiAl3 and AlTiSi intermetallic phases within A356 aluminum alloy on the dry sliding wear behaviors was investigated. The TiAl3 and AlTiSi intermetallic phases were obtained by synthesizing A356 aluminum alloy containing 6% titanium for different times (1, 4, 8 and 16h). The cold pressed samples were sintere
Mat. Res.. Publicado em: 2015-08
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10. Study on friction and wear behavior of SAE 1045 steel, reinforced nylon 6.6 and NBR rubber used in clutch disks
The friction and wear properties of AISI 1045 steel, nylon 6.6 composites with different types and percentages of reinforcement and a nitrile rubber, Alpha 66, were submitted to sliding wear tests. The five types of nylon 6.6 composites tested generated matching, low values for the coefficient of friction. This may be due to the greater influence of the nylo
Mat. Res.. Publicado em: 2014-12
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11. Estudo do comportamento tribológico do aço AISI H13 submetido a tratamento termoquímico de boretação / Study of tribological behavior of AISI H13 steel subjected to boriding thermochemical treatment
In this work, solid boriding thermochemical treatment was carried out using Ekabor 1-V2 and one blend as boriding agents and heat treatment of quenching and tempering of AISI H13 tool steel in order to compare and evaluate the tribological behavior and the properties acquired for four studied conditions, that were: Ekabor powder boriding, Ekabor powder borid
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/06/2012
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12. Ultra baixo coeficiente de atrito no deslizamento de Si3N4-Al2O3. Efeitos da força aplicada, velocidade de deslizamento e temperatura do ensaio. / Ultra low friction coefficient in sliding of Si3N4-Al2O3. Effects of applied load, sliding velocity and test temperature.
Tribological tests were conducted in a ball on disk setup, using water as lubricant. Were used a silicon nitride ball and alumina disk. The tests were conducted to investigate the effects of sliding speed, applied load and temperature on friction coefficient. The silicon nitride balls and alumina disks were characterized by determining density, Vickers hardn
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/02/2012