The Effect of Nb2O5-Ni Coatings on the Microstructural and Corrosion Behavior on Carbon Steel for Marine Application

Anaee, Rana A.; Abdulkarim, Abdullah Adnan; Mathew, Mathew T.; Jedy, Hiyam Mezher

doi:10.1007/s40735-020-00440-0

Cited by 34 publications

(4 citation statements)

References 8 publications

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“…The excellent chemical bonding between phenolic resins and natural fibres has improved the thermal stability of the material and thus its decomposition temperature. The lignin content present in natural fibres increases the decomposition temperature of friction materials up to 760°C [94,110]. Ali et al [105] reported that natural composites with coconut fibres have better thermal stability at elevated temperature about 300°C.…”

Section: Characterisation Of Natural Composite Brake Padsmentioning

confidence: 99%

Recent progress in the research on natural composite brake pads: a comprehensive review

Joshi

Bharath

Basavarajappa

2023

Tribology - Materials, Surfaces & Interfaces

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Brake pads are vital parts of automobiles, where tribological properties are prime concern. Usually, asbestos brake pads were used, which were replaced by copper-based in later years. As brake lining materials have evolved, synthetic friction composites were explored as alternatives. Recent works suggest that, natural composites are promising friction material. However, poor thermal conductivity and frictional stability have limited their applications. Surface treatment of fibers and addition of secondary fillers have improved their possibilities. Thus, hybridization of reinforcements has expanded their range of applications. The present article attempts to review various aspects of brake pads and their testing with attention on natural composites. Their properties were studied to conform their ability to meet desired requirements. The article reviews the studies conducted in recent years on various materials properties related to brake pads. The future potential of natural components in the development of friction composite materials for automotive applications is highlighted.

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Section: Characterisation Of Natural Composite Brake Padsmentioning

confidence: 99%

Recent progress in the research on natural composite brake pads: a comprehensive review

Joshi

Bharath

Basavarajappa

2023

Tribology - Materials, Surfaces & Interfaces

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“…After adding Cefoperazone, the density of corrosion current (i corr ) reduced, demonstrating the inhibitory effect of this medication, which has a direct relationship to the corrosion rate (C_R), which was computed using the Equ. ( 4) and is shown in Table 1 [17] [18]. In this Table, efficiency (IE%) calculated using the current density values in the absence (i corr,uninhibited medium ) and presence (i corr,inhibited medium ) of the drug as follow [19][20]:…”

Section: Electrochemical Propertiesmentioning

confidence: 99%

Study the Corrosion Inhibition on the Iraqi Fuel Tanks using Cefoperazone Drug

Kadhim,

Anaee,

M. Hassan

et al. 2023

Al-Mustansiriyah Journal of Science

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Corrosion is one of the most important problems that face the petroleum industry, both production and refining, and cause damage to petroleum equipment, tanks, and transmission lines, and increasing maintenance costs. in this study , was adding six concentrations of the drug expired Cefoperzone (Exp CEF) (50, 100, 200, 300, 400, and 500 ppm) to a Simulated Oil Well Water (SOWW), the inhibitive role of (Exp CEF) drug was investigated to Reduce the corrosion risk of carbon steel. Four different temperatures were used to conduct electrochemical tests (303, 313, 323 and 333 K) to achieve the study. The study was then supported by an examination of the inhibited surface using field emission scanning electron microscopy with energy dispersive (FESEM) and (AFM). The results indicated occurring the inhibition by an anodic inhibitor that controls the dissolution of iron from steel gave the highest inhibition efficiency (IE%) by adding 500 ppm, while the calculation of polarization resistance (Rp) gave the highest resistance by 400 ppm through adsorption the added drug to show flakes shaped structures with decreasing surface roughness (Ra ) from 307.1 to 83.15 after inhibition. The calculation of adsorption isotherm confirmed the obeying of Langmuir adsorption isotherm by giving the coefficient of linear regression was about one in the range of 0.999 > R^2 > 0.995, with the spontaneous adsorption that estimated from the negative values of 〖∆H〗_ads^o and variation in the type of adsorption to be physically or chemically according to the added concentration because of the differential sign of 〖∆H〗_ads^o . The sign of 〖∆H〗_ads^o was positive that reflecting the increase in randomness at the metal/solution interface.

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“…Also this alloy (𝐴𝑙 − 12𝑆𝑖 − 2𝑇𝑒) has the lowest corrosion rate (𝐶 𝑅 ) that calculated in (𝑚𝑚/𝑦) unit according to the following formula [28,29], where 𝑒 𝑎𝑛𝑑 𝜌 are the equivalent weight and density of each alloy:…”

Section: Corrosion Characteristicsmentioning

confidence: 99%

Characteristics, Morphological and Electrotechmical Studies of Al-12Si-xTe Alloys

Abdullah

Adnan

Mathew

et al. 2022

Preprint

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This work aims to investigate the behavior of \(Al-12Si-xTe\) alloys that are fabricated by the casting method due to the importance of Al-12Si alloy in many industries. Tellurium metal was added with three weight percents (1, 2 and 3%) and the characterization of these produced alloys was done by XRD analysis to identify the formation of hard \({Al}_{2}{Te}_{3}\) phase, which refining the grain size in a base alloy. SEM examination also confirmed the refining and uniformity distribution of \(Te\) within \(\alpha -Al\) matrix and eutectic\(Si\). From AFM analysis can be seen that 2 and 3 wt% of \(Te\) gave lower surface roughness compared with base alloy, while \(Al-12Si-1Te\) alloy gave the highest ratio of the interfacial area due to heterogeneity between matrix and \(Te\) clustered particles. The refining of produced alloys led to the difference in main diameter that increased after \(Te\) addition as illustrated from AFM analysis and so the \(Te\) addition gave more theoretical wear resistance. Corrosion measurement showed that 2 and 3 wt% of \(Te\) gave different behavior for cathodic and anodic regions and decreasing in the corrosion rate to 0.0033 and 0.0479 mm/y respectively compared to base and \(Al-12Si-1Te\) alloys due to formation of \({Al}_{2}{Te}_{3}\) phase as sufficient cathodic area.

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The Effect of Nb2O5-Ni Coatings on the Microstructural and Corrosion Behavior on Carbon Steel for Marine Application

Cited by 34 publications

References 8 publications

Recent progress in the research on natural composite brake pads: a comprehensive review

Recent progress in the research on natural composite brake pads: a comprehensive review

Study the Corrosion Inhibition on the Iraqi Fuel Tanks using Cefoperazone Drug

Characteristics, Morphological and Electrotechmical Studies of Al-12Si-xTe Alloys

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