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Cem Örnek, Kemal Davut, Mustafa Kocabas, Aleyna Bayatli and Mustafa Ürgen
The corrosion morphology in grade 2205 duplex stainless steel wire was studied to understand the nature of pitting and the causes of the ferrite phase?s selective corrosion in acidic (pH 3) NaCl solutions at 60 °C. It is shown that the corrosion mechanis...
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Jingjing Xiao, Jinku Yu, Fuyu Guo, Qi Qiao, Haibo Yang and Yanqing Guo
Herein, NiCrP amorphous alloy coatings were prepared on copper substrates by electrodeposition. The aim of this paper is to replace Cr6+ with Cr3+ to prepare NiCrP amorphous alloy coating, which can reduce environmental pollution. By studying the influen...
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Hengzheng Li, Min Kang, Yin Zhang, Yuntong Liu, Meifu Jin, Nyambura Samuel Mbugua, Guang Zhu and Conghu Liu
In order to study the effects of pulse parameters on jet electrodeposition, Ni–Co–BN (h) nanocomposite coatings were prepared on the surface of steel C1045. The samples were analyzed and characterized by scanning electron microscopy (SEM), en...
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Goutham Issac Ashok Kumar, Alexander Lambert, Joshua Caperton, Muthappan Asokan, William Yi and Oliver Chyan
The introduction of copper as wire bonding material brings about a new challenge of aluminum bond pad bimetallic corrosion at the copper/aluminum galvanic interface. Aluminum is well known to undergo pitting corrosion under halide-contaminated environmen...
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Xiaolong Pan, Longshi Qiu, Xiaogang Hu and Haixia Jiang
In this study, duplex surface treatments were used to prepare a ZrO2/Cr bilayer coating on zirconium alloy cladding for enhancing the wear and corrosion behaviors. The surface and cross-section morphology of coated Zr-4 alloy was characterized; the resul...
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Eman M. Fayyad, Aboubakr M. Abdullah, Mohammad K. Hassan, Adel M. Mohamed, Chuhong Wang, George Jarjoura and Zoheir Farhat
Dispersion of 2D carbon nitride (C3N4) nanosheets into a nickel phosphorous (NiP) matrix was successfully achieved by ultrasonication during the electroless plating of NiP from an acidic bath. The morphology and thickness, elemental analysis, phases, rou...
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Ivan Stojanovic, Vinko ?imunovic, Vesna Alar and Frankica Kapor
Protective coatings are the most widely used corrosion protection method for construction materials in different environmental conditions. They isolate metals from aggressive media, making the structure more durable. Today, alongside good anti-corrosive ...
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Jen Yang Yap
Pág. 36
Protective coating layer applied to materials surfaces to prevent corrosion is susceptible to mechanical damages and other degradation processes. Self-healing coating from double-walled microcapsules could prolong the service life of the coating, allowin...
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You Lv, Yubing Cheng, Xiangzhe Meng, Xu Jiao, Zehua Dong and Xinxin Zhang
The limited antifouling capability of Ti-based components could jeopardize their applications in petroleum engineering. In this work, a Cu-enriched TiO2 coating has been fabricated using an ultrasound-auxiliary micro-arc oxidation (UMAO) method. The Cu e...
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Ruilin Liu, Yunqi Liu, Hongming Liu, Yuanxing Li, Hui Chen and Zongtao Zhu
Laser?MIG hybrid welding?brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were in...
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Ezazul Haque Sabuz, Mohammed Noor-A-Alam, Waseem Haider and Ishraq Shabib
In this study, mechanical and electrochemical performance of borided additively manufactured (AM) and wrought 8620 low alloy steel were investigated and compared to their bare counterparts. The microstructure of borided 8620 exhibited the presence of FeB...
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Byung-Ki Son, Ji-Won Choi, Su-Byung Jeon and In-Joon Son
Zinc (Zn) coatings, which are widely used to protect metals from corrosion, can be further improved by alloying with nickel (Ni). Increasing the Ni content enhances the corrosion-resistant properties of the Zn coating. This study investigated the effect ...
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Roya Malekkhouyan, Yoann Paint, Loïc Prince, Maurice Gonon and Marie-Georges Olivier
In the present study, Mg-Al layered double hydroxide (Mg-Al/LDH) was synthesized on the surface of AZ31 Mg alloy substrate via in-situ hydrothermal treatment. Synthesis parameters were changed to determine their effect on the lateral size of LDH. For thi...
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Zhiling Zhao, Lu Wang, Wenhang Shi, Cong Li and Guozijian Wei
The corrosion of metal pipes within water distribution systems posed great threats towards the quality and safety of drinking water. In this study, the quantity and distribution of suspended particles alongside the pipes was investigated based on field e...
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Songyan Li, Xiaoxia Tian, Jiafu Wang and Shaobo Qu
Improving the microwave absorption performance of Co-MOF-derived Co@N-C composite by constructing the morphology and spatial structure is a known challenge. In this work, under the action of the binder polyvinylpyrrolidone, 3D-graphene particles can be w...
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Angela Kapitanovic and Helena Otmacic Curkovic
The new bronze objects of art are almost always patinated before their exposure outdoors or indoors. Among the many patination methods used by practitioners, sulphide patination is one of the most common techniques. The aim of this work is to examine the...
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Kranthi Kumar Maniam and Shiladitya Paul
Electrodeposited zinc and zinc-alloy coatings have been extensively used in a wide variety of applications such as transport, automotive, marine, and aerospace owing to their good corrosion resistance and the potential to be economically competitive. As ...
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Gankhuyag Burtuujin, Dasom Son, Indong Jang, Chongku Yi and Hyerin Lee
Rebar embedded inside reinforced concrete structures becomes corroded due to various factors. However, few studies have focused on the corrosion of pre-rusted rebar embedded in cement composites, and the findings reported thus far are inconsistent. There...
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Iulian Pana, Viorel Braic, Mihaela Dinu, Emile S. Massima Mouele, Anca C. Parau, Leslie F. Petrik and Mariana Braic
The reactive cathodic arc deposition technique was used to produce Ti nitride and oxynitride coatings on 304 stainless steel substrates (SS). Both mono (SS/TiN, SS/TiNO) and bilayer coatings (SS/TiN/TiNO and SS/TiNO/TiN) were investigated in terms of ele...
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Laura Patricia Domínguez-Jaimes, María Ángeles Arenas Vara, Erika Iveth Cedillo-González, Juan Jacobo Ruiz Valdés, Juan José De Damborenea, Ana Conde Del Campo, Francisco Javier Rodríguez-Varela, Ivonne Liliana Alonso-Lemus and Juan Manuel Hernández-López
Different chemical and physical treatments have been used to improve the properties and functionalities of steels. Anodizing is one of the most promising treatments, due to its versatility and easy industrial implementation. It allows the growth of nanoe...
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