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Bo Li, Zhuoyi Liu, Jinhang He, Jie Bai, Haibo Jiang, Ye Tian, Zhiqing Zhang and Shifeng Liu
This study investigated the corrosion morphology of arc-sprayed Zn and Zn85-Al15 coatings with and without sealing treatment under simulated defect conditions. The hole sealing treatment was carried out by Conventional Impregnation Sealing (CIS). The per...
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Jihong Li, Longyu Lei, Mingke Du, Zhiqiang Zhang and Min Zhang
Due to the huge difference in thermophysical properties, it is difficult to obtain a defect-free bonding interface between copper and steel. A Cu-Ni-Ti interlayer was added between a TiC-reinforced copper matrix composite coating and Q235 steel in this s...
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Olha Aleksieieva, Liliia Dereviankina, Paul Breuninger, Mustafa Bozoglu, Pavlo Tretiakov, Andrii Toporov and Sergiy Antonyuk
The cold gas-dynamic spray (CGDS) technique is utilized for repairing processes of a large number of metallic components in mechanical and process engineering, such as bridges or vehicles. Fine particles impacting on the component surface can be severely...
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Alessandro M. Ralls, Ashish K. Kasar, Mohammadreza Daroonparvar, Arpith Siddaiah, Pankaj Kumar, Charles M. Kay, Manoranjan Misra and Pradeep L. Menezes
For the first time, Zr702 coatings were deposited onto an Al6061 alloy using a high-pressure cold spray (HPCS) system. In this work, five different N2 process gas temperatures between 700 and 1100 °C were employed to understand the formation of cold spra...
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Jonas Aust, Dirk Pons and Antonija Mitrovic
Background?There are various influence factors that affect visual inspection of aircraft engine blades including type of inspection, defect type, severity level, blade perspective and background colour. The effect of those factors on the inspection perfo...
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Jaehyun Lee, Ehsan Esmaili, Giho Kang, Baekhoon Seong, Hosung Kang, Jihoon Kim, Sunghwan Jung, Hyunggun Kim and Doyoung Byun
The dimple occurs by sudden pressure inversion at the droplet?s bottom interface when a droplet collides with the same liquid-phase or different solid-phase. The air film entrapped inside the dimple is a critical factor affecting the sequential dynamics ...
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Alexis Renaud, Victor Pommier, Jérémy Garnier, Simon Frappart, Laure Florimond, Marion Koch, Anne-Marie Grolleau, Céline Puente-Lelièvre and Touzain Sebastien
Three different coated steel systems were aged in natural or artificial seawater, in neutral salt spray (NSS), and using alternate immersion tests in order to evaluate the aggressiveness of the different ageing conditions. Commercial epoxy coatings were ...
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Minho Jo, Jongsu Lee, Seongyong Kim, Gyoujin Cho, Taik-Min Lee and Changwoo Lee
In roll-to-roll (R2R) processing, web uniformity is a crucial factor that can guarantee high coating quality. To understand web defects due to thermal deformation, we analyzed the effect of web unevenness on the coating quality of an yttria-stabilized zi...
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Vladimir Yefanov,Oleksandr Ovchynnykov,Oleksandr Dzhuhan,Ihor Petrik,Dmytro Raspornia,Oleksii Kapustian,Yehor Saprykin
Pág. 6 - 13
This paper reports studying the effect of such highly active, surface-active modifying elements as Y, Hf, and La on the structure and properties of the Ni?Cr?Al system's consumable cathodes, which are used to apply heat-resistant coatings onto the gas-tu...
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Guang-Ling Song and Zhenliang Feng
Organic coatings for marine applications must have great corrosion protection and antifouling performance. This review presents an overview of recent investigations into coating microstructure, corrosion protection performance, antifouling behavior, and ...
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