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Bo Li, Cong Li, Yimin Gao, Hongjian Guo, Yunchuan Kang and Siyong Zhao
NiCrAlY and NiCrAlY-Mo coatings were fabricated by atmospheric plasma spraying (APS). The corrosion-wear performance of the coatings was investigated in artificial seawater and the synergistic mechanism between wear and corrosion were evaluated in detail...
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Kyungmok Kim and Jaewook Lee
This paper describes a method to determine the thickness of a nonconductive coating by identifying the transition of material by a change in electrical properties. A slide-hold-slide test was conducted with a worn specimen including an electrodeposited c...
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Qiang Lu, Zhi-Bo Zhang, Hang-Tao Liao, Xiao-Chu Yang and Chang-Qing Dong
Bio-oil from fast pyrolysis of biomass is a low-grade liquid fuel, which can be upgraded through the emulsification with diesel oil. In this study, we prepared two rice husk bio-oil samples with different solid char contents and three bio-oil/diesel-oil ...
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Pyeong An Lee and Bo Hyun Kim
In microbiochips and microfluidic devices, microholes are a basic and important feature. The microdrilling of glass materials without cracks is still challenging in the fabrication of glass-based microdevices. This paper investigates the characteristics ...
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Ning Zhang, Nannan Zhang, Xufeng Wei, Yue Zhang and Deyuan Li
Nickel chromium (NiCr) powders with different titanium diboride (TiB2) additions (20, 40 and 60 wt %) were prepared with a mechanical alloying method and then sprayed using an air plasma spraying technology. The microstructure and phase composite of the ...
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Yassmin Seid Ahmed, Jose Mario Paiva, Danielle Covelli and Stephen Clarence Veldhuis
In this study, the wear mechanisms and tribological performance of uncoated and coated carbide tools were investigated during the turning of super duplex stainless steel (SDSS)?Grade UNS S32750, known commercially as SAF 2507. The tool wear was evaluated...
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Kyungmok Kim
This paper describes statistical determination of fretting-induced failure of an electro-deposited coating. A fretting test is conducted using a ball-on-flat plate configuration. During a test, a frictional force is measured, along with the relative disp...
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Ning Zhang, Nannan Zhang, Xufeng Wei, Yue Zhang and Deyuan Li
Nickel chromium (NiCr) powders with different titanium diboride (TiB2) additions (20, 40 and 60 wt %) were prepared with a mechanical alloying method and then sprayed using an air plasma spraying technology. The microstructure and phase composite of the ...
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Jiajun Zhu, Meng Xu, Wulin Yang, Deyi Li, Lingping Zhou and Licai Fu
Ag, Mo, and Ag?Mo were respectively implanted into GH4169 alloy substrates without heating via ion-beam-assisted bombardment technology (IBAB). In addition, the wear performance under low sliding speed and applied load were researched at room temperature...
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Hari Bhavsar, Rajiv Dubey, Vishwas Kelkar
Pág. 359 - 368
Cold Recycling Technology (CRT) of worn out bituminous pavement is a relatively new technology which has important application in the road surface treatment and paving towards green highway. Due to economic and environmental constraints like reduction in...
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Gábor Fekete, Károly Váradi
Pág. 35 - 40
The paper includes the second part of an investigation of the braking process of railway vehicles, dealing with the temperature distribution of a brake block in various load cases and the FE analysis of the phenomenon of thermal elastic deformation. Ther...
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V. V. Artemchuk
Pág. 105 - 107
The article considers the questions connected with research of the structure of multi-layered coverings. A restoring coating was applied on the worn-out surface by a gas-thermal method. In the course of such treatment a layer of soft metal is applied fir...
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Alexandr Gulyarenko and Michal Bembenek
Reliability consists of four components: failure-less operation, maintainability, durability, and preservation ability. For different machines and different conditions of operation, different combinations of these properties, and differences in how they ...
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Qunfeng Zeng, Ali Erdemir and Osman Erylimaz
Ultralow friction is achieved by ZrO2 as the friction mate material for DLC (Diamond like carbon) films under various environments. Coefficient of friction (CoF) of ZrO2/DLC films is as ultra low as 0.02 in ambient air at the temperature of 200 °C, and 0...
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Daniel Sappok, Bernd Sauer
Pág. 51 - 59
Driving and timing chains are widely used machine elements which are continuously improved regarding wear and energy efficiency. Especially for timing chains, reducing wear is of high importance as it is critical for the function of the combustion engine...
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Hamidreza Ghandvar, Mostafa Abbas Jabbar, Michal Petru, Tuty Asma Abu Bakar, Lim Jia Ler and Seyed Saeid Rahimian Koloor
This study aims to investigate the microstructural alterations, mechanical properties, sliding wear behavior, and corrosion properties of Al-15%Mg2Si composites with different contents of yttria-stabilized zirconia (YSZ). Al-15%Mg2Si composites with the ...
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Audre Rugyte, Mindaugas Dauk?ys, Svajunas Juociunas and Ruben Paul Borg
The interaction between concrete and steel occurs during concrete mixing and finishing processes, during filling of concrete moulds, formwork, composite columns and during pumping of concrete mixtures. More experimental investigation is required to predi...
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