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Saad E. Kaskah, Gitta Ehrenhaft, Jörg Gollnick and Christian B. Fischer
To investigate the corrosion protection behavior of naturally derived cocoyl sarcosine in combination with N-b-hydroxyethyl oleyl imidazole for steel CR4 in 0.1 M NaCl, different evaluation systems (weight loss, electrochemical measurements, and spray co...
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Muhammad Ahsan Iqbal, Humaira Asghar and Michele Fedel
A protective CoAl-layered double hydroxide (LDH) thin film was developed directly on the aluminum substrate. Further, the low-surface-energy molecules (1H, 1H, 2H, 2H perfluorododecyl trichlorosilane) were incorporated inside the LDH network through an a...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 134 - 146
The subject of the study is the issues related to determining the service life of protective coatings protecting the surfaces of assembly and welding fixtures from the effects of welding spatter and mechanical wear when performing certain assembly and we...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Tianxiang Sun, Guosheng Huang, Ping Lv, Likun Xu and Li Ma
The change of protective current density, the formation and growth of calcareous deposits, and the evolution of passive film on 304 stainless steel (SS) were investigated at different potentials of cathodic polarization in sea water. Potentiostatic polar...
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István Wagner, Zsombor Kristóf Nagy, Ágnes Suhajda, Hajnalka Pataki, Péter Sóti, Tamás Vigh, Attila Balogh, Anna Helga Harasztos, György Marosi
Pág. 96 - 103
This work presents a study of film coating with the vaginal strain of Lactobacillus acidophilus, the aim of which was to manufacture administrable probiotic tablets in one step and to enhance the survival rate of bacteria and their viability during stora...
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Zhaoxiang Chen, Xipeng Ren, Limei Ren, Tengchao Wang, Xiaowen Qi and Yulin Yang
Spark-anodization of titanium can produce adherent and wear-resistant TiO2 film on the surface, but the spark-anodized titanium has lots of surface micro-pores, resulting in an unstable and high friction coefficient against many counterparts. In this stu...
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Ingmar Bösing, Georg Marquardt and Jorg Thöming
Martensitic stainless steels are widely used materials. Their mechanical and corrosion properties are strongly influenced by their microstructure and thereby can be affected by heat treatment. In the present study, the effect of different austenitizing t...
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Bo Xu, Bing Chen, Jian Peng, Wenyuan Zhou and Xu Xu
To better understand the characteristics of coupled heat transfer in liquid rocket engines, a calculation scheme is proposed in this paper. This scheme can simulate the coupled heat transfer processes, including combustion and flow in the thrust chamber,...
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Fan Cao, Peng Cao, Yangyang Li, Yi Wang, Lei Shi and Di Wu
The passivation of zinc alloy coating was achieved through the utilization of both silicate and trivalent chromium passivation systems, employing a specific process formula consisting of Co(NO3)2 at a concentration of 2.5 g/L, C76H52O46 at 3 mL/L, Na2SiO...
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Zhiyuan Feng, Jiao Li, Jincai Ma, Yongjin Su, Xiaoyuan Zheng, Yu Mao and Zilong Zhao
Aluminum alloy 7075 is an important engineering material for ship structures. However, the corrosion of Al alloys generally exists in various environments, especially in the marine environment. Currently, the corrosion behaviors of Al alloy 7075 in sulfa...
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Pi-Chen Lin, Kaifan Lin, Yu-Hsuan Lin, Kai-Chiang Yang, Vladimir Ivanovitch Semenov, Hsin-Chih Lin and Miin-Jang Chen
Polycrystalline HfZrO2 (HZO) film can be fabricated on as-extruded Mg?Ca alloy, which is identified by the results of XRD and TEM. HZO film can improve the corrosion resistance of as-extruded Mg?Ca alloy to further result in a decrease in the corrosion r...
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Dong-Min Kim, In-Ho Song, Ju-Young Choi, Seung-Won Jin, Kyeong-Nam Nam and Chan-Moon Chung
Linseed oil undergoes an oxidative drying reaction upon exposure to air, resulting in a soft film. The reaction conversion after 48 h reached 88% and 59% when it reacted at room temperature and −20 °C, respectively. Linseed-oil-loaded microcaps...
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Fangfang Wang, Qiushi Li, Lijing Zheng, Fengxiang Zhang and Hu Zhang
For present and future advanced aerospace bearing applications, it is significant and necessary to improve the corrosion resistance of carburized CSS-42L steel. In this study, Cr films of about 1 μm in thickness were fabricated onto carburized CSS-42L...
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Isabelle Jauberteau, Richard Mayet, Julie Cornette, Denis Mangin, Annie Bessaudou, Pierre Carles, Jean Louis Jauberteau and Armand Passelergue
The physical properties including the mechanical, optical and electrical properties of Ti nitrides and silicides are very attractive for many applications such as protective coatings, barriers of diffusion, interconnects and so on. The simultaneous forma...
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Junlei Tang, Qiuhong Zhu, Yingying Wang, Mihai Apreutesei, Hu Wang, Philippe Steyer, Mohamad Chamas and Alain Billard
The effect of copper addition on the corrosion resistance and mechanical properties of binary Zr100?xCux (x = 30, 50, 80, 90 at.%) glassy coatings was investigated by means of electrochemical measurements, scanning electron microscopy (SEM), energy dispe...
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K. N. Manonmani,P. Manjula,T. Vennila
The inhibition efficiency of DMBP (Diethyl-4-methyl benzyl phosphonate) along with Biocidal action of CTAB and SDS on corrosion of mild steel in neutral aqueous medium has been evaluated by mass loss method, both in absence and presence of Zn2+. It is ob...
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Sylvia R. Scheicher, Katrin Krammer, Alexander Fian, Rupert Kargl, Volker Ribitsch, Stefan Köstler
Pág. 61 - 67
Two different surface activation methods (UV/ozone and oxygen plasma treatment) were applied for patterned surface activation of cyclo-olefin polymer (COP) surfaces combined with different masking techniques (metal shadow mask and protective tape). Surfa...
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Dongye Lv, Hanbing Liu, Qiang Miao, Wensheng Wang, Guojin Tan, Chengwei Shi and Hanjun Li
The passivation behavior of steel reinforcements in concrete is significantly influenced by the environment, concrete pore solution, and the passive film formed on the steel surface. The present study used electrochemical methods to successfully characte...
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