• The microstructure of multiphase nanocrystalline samples and corrosion products was characterized using the X-ray diffraction and electron microscopy techniques. (irost.org)
  • In this research, the effect of various turn-assisted deep-cold-rolling process parameters on the residual stress, microstructure, surface hardness, surface finish, and corrosion behavior of AISI 4140 steel has been investigated. (manipal.edu)
  • The MAF coating was shown to be effective in controlling the corrosion rate and progression of the magnesium alloy. (hindawi.com)
  • Therefore, it is a standing concern for scholars to control the corrosion rate of magnesium alloy. (hindawi.com)
  • The composition modification and alloy surface treatment can be used to slow down the corrosion progress of magnesium alloys. (hindawi.com)
  • In corrosion experiments, the Mg 2+ and F - ions produced during the degradation of the alloy are not only nontoxic to the surrounding tissues but also have a nutritional effect on the formation of the bone [ 6 ]. (hindawi.com)
  • To improve the overall performance of these materials in a bio-relevant environment, especially corrosion resistance and wear resistance, in this research, plasma electrolytic oxidation (PEO) was applied to create a coating on a magnesium alloy, ZK30. (ua.pt)
  • The results obtained from applying the scanning vibrating electrode technique (SVET) indicated a decreased susceptibility of the PEO-treated alloy to localized corrosion, accounting for the improved corrosion resistance. (ua.pt)
  • Corrosion fatigue may be reduced by alloy additions, inhibition and cathodic protection, all of which reduce pitting. (wikipedia.org)
  • This study will be investigating acidic corrosion of AA7051 alloy at a different temperature, and introduces milk thistle aqueous extract as a new and widely available green corrosion inhibitor. (rjptonline.org)
  • 10. Udensi SC, Ekpe OE, Nnanna LA. Newbouldia laevis Leaves Extract as Tenable Eco-Friendly Corrosion Inhibitor for Aluminum Alloy AA7075-T7351 in 1 M HCl Corrosive Environment: Gravimetric, Electrochemical and Thermodynamic Studies: A review. (rjptonline.org)
  • In the present study, the effect of LSP on the wear-corrosion behavior of an AZ31B Mg alloy is investigated. (silverchair.com)
  • In this article, the authors present the results of a study on the corrosion characteristics of the single and dual particle reinforced aluminum alloy 6063 based composites and the reinforcements of silicon carbide. (typeset.io)
  • This article presents the results of a study on the corrosion characteristics of the single and dual particle reinforced aluminum alloy 6063 based composites. (typeset.io)
  • In this article, the pitting potentials are essentially independent of the presence or absence of reinforcement particles, as well as their volume fraction, and the presence of intermetallic particles strongly affects the corrosion and titanium/zirconium-rich particles have a particularly deleterious effect on corrosion of the 6061-Al alloy. (typeset.io)
  • Corrosion i shown to be generally more severe in the composites than in the unreinforced alloy and weight loss rates may be 3 or 4 times greater. (typeset.io)
  • The presence of intermetallic particles strongly affects the corrosion and titanium/zirconium-rich particles, believed to arise as a consequence of the processing route, have been shown to have a particularly deleterious effect on corrosion of the 6061-Al alloy. (typeset.io)
  • Executed government contracts involving microstructural data and investigating titanium alloy life limiting behavior in aerospace structural applications. (exponent.com)
  • The polarization studies in simulated body fluid (SBF) were conducted to evaluate the corrosion resistance of bare and coated specimens. (scirp.org)
  • The test specimens were firstly corroded to different corrosion rates by electronic accelerating method. (purdue.edu)
  • Corrosion rates were measured from the studs obtained from the failure test specimens. (purdue.edu)
  • Test results were compared with standard push out test specimens having the similar corrosion rates. (purdue.edu)
  • All laser-alloyed specimens have corrosion potentials in between that of cp Cu and commercially pure titanium (cp Ti) and their corrosion current densities are lower than that of cp Cu. Particularly, the specimen with 85. (edu.hk)
  • Fracture mechanics uses pre-cracked specimens, effectively measuring crack-propagation behavior. (wikipedia.org)
  • Test specimens were corroded by accelerated electric corrosion method and bond-slip relationship was measured by two ends pull-out test. (elsevierpure.com)
  • These specimens are subjected to hot corrosion environment at 1200°C with five different duration time, from 10 mins to 100 h in the presence of corrosive melt from volcanic ash. (korea.ac.kr)
  • In this study, the corrosion behavior of Q235 CS specimens in f/2 medium with absence and presence of three classes of marine microalgae Synechococcus sp. (bvsalud.org)
  • The results showed that the values of weight loss and corrosion current density decreased, and the values of charge transfer resistance increased in the CS specimens treated with these microalgae . (bvsalud.org)
  • This study revealed that the three microalgae can effectively strengthen the barrier of the CS specimens in the f/2 medium, leading to slow down their corrosion rates. (bvsalud.org)
  • At this stage of research, electrochemical corrosion analysis has demonstrated that the magnesium fluoride (MgF 2 ) layer can increase the polarization resistance of magnesium alloys [ 7 - 9 ]. (hindawi.com)
  • The rapid bio-corrosion of magnesium-based alloys, the formation of hydrogen gas and, consequently, the premature loss of biomechanical functions hinder their applications as biodegradable implant materials. (ua.pt)
  • When containing chromium in quantities high enough the corrosion performances of the "predominantly base" alloys very interesting, as well as their mechanical properties. (imedpub.com)
  • Such alloys are generally rather complex because of the presence of other elements such as molybdenum, tungsten, silicon and other, which may be active during corrosion and mask the importance of the chromium content. (imedpub.com)
  • In this work it was chosen to look for a critical chromium content over which the corrosion behaviour is acceptable or very good, by working with simple binary Co-xCr alloys (x varying from 0 to 30 wt. (imedpub.com)
  • Forming alloys, with metals such as zinc, seems to be the answer to increasing the corrosion resistance [ 7 ]. (hindawi.com)
  • Aluminum and its alloys, due to the characteristic features of aluminum like low density, good strength, ductility, corrosion resistance, and high thermal and electrical conductivities, are being used in a wide number of industrial applications, and the welding processes for aluminum are being automated for high-scale manufacturing. (researchgate.net)
  • Electrochemical corrosion behavior of alloys formed by ion implantation. (cdc.gov)
  • The phenomenon should not be confused with stress corrosion cracking, where corrosion (such as pitting) leads to the development of brittle cracks, growth and failure. (wikipedia.org)
  • Crack propagation under corrosion fatigue may be classified as a) true corrosion fatigue, b) stress corrosion fatigue or c) a combination of true, stress and corrosion fatigue. (wikipedia.org)
  • The Symposium on Stress Corrosion was presented at the American Society for Metals, Metals Conference held in Detroit, Michigan, 18 October 1971. (astm.org)
  • Subcommittee 6 on Stress Corrosion Cracking and Corrosion Fatigue of the ASTM Committee G01 on Corrosion of Metals sponsored the symposium. (astm.org)
  • Field stress corrosion tests in brine environments of the Salton sea known geothermal resource area. (cdc.gov)
  • Corrosion progress in 3.5% NaCl solution, water and air environments were monitored up to 365 days. (deu.edu.tr)
  • This article investigates the corrosion potentials of Ti6Al4V joined using laser welding in 3.5%wt sodium chloride (NaCl) and compares it with an unwelded Ti6Al4V sheet. (northumbria.ac.uk)
  • The samples were tested against an Al2O3 ball to simulate more severe abrasive conditions, whereas the electrochemical corrosion behavior was investigated in a 3.5 wt% NaCl solution. (yildiz.edu.tr)
  • The samples experienced uniform and graphitic corrosion in a 3.5 wt% NaCl environment. (yildiz.edu.tr)
  • The inhibition performance and surface protection of green corrosion inhibitor 8-quinoline sulphonyl chloride (8QSC) on copper (Cu) was evaluated by chemical (weight loss) method in 0.5, 1.0 and 2.0 M HNO3 solutions and by electrochemical methods such as potentiodynamic polarization (PDP), AC-impedance spectroscopy (AC-IS) and linear polarization resistance in 1.0 M HNO3 solution at room temperature. (amrita.edu)
  • Both chemical and electrochemical techniques showed that 8QSC is an efficient green corrosion inhibitor for copper and the efficiency reached 90.4% by weight loss method and 88.4% by AC-IS method at optimum concentration of (300 ppm) 8QSC. (amrita.edu)
  • 11. El-Katori EE, Al-Mhyawi S. Assessment of the Bassia muricata extract as a green corrosion inhibitor for aluminum in acidic solution. (rjptonline.org)
  • Leaves extract of ananas sativum as green corrosion inhibitor for aluminium in hydrochloric acid solutions. (rjptonline.org)
  • 14. Binyehmed FM, Abdullah AM, Zainal Z, Zawawi R. Green Coffee Bean Extract as a Green Corrosion Inhibitor for Aluminium in Artificial Acid Rain Medium. (rjptonline.org)
  • Quantitative measurements of corrosion rate of reinforcing steels embedded in concrete using polarization resistance measurements. (revistaalconpat.org)
  • Langmuir model linear regression coefficient ( =0.98) and the slight change in corrosion potential refer to mixed-type inhibitor attach to the surface by chemisorption. (rjptonline.org)
  • 8. Saratha R, Anandhi D, Meenakshi H and Saritha T. Standardization of Plant Extract as Corrosion Inhibitor for Mild Steel in Acid Media. (rjptonline.org)
  • 9. Saratha R, Thilagavathy P, Kasthuri N. Evaluation of Vitis vinifera as a corrosion inhibitor for mild steel in 1 M HCl. (rjptonline.org)
  • Optimisation and modelling of aluminium corrosion inhibition using almond (Prunus amydgdalus) fruit leaves extract as green inhibitor in HCl acidic medium. (rjptonline.org)
  • Stiffness degradation behavior of a polymer nanocomposite under constant amplitude fatigue loads. (nal.res.in)
  • The electrochemical methods were used to measure weight loss, penetration loss, corrosion inhibition efficiency and other parameters. (rjptonline.org)
  • The finding exhibit high corrosion inhibition efficiency at 0.5g/L of milk thistle extract and the efficiency rose from around 72% at 293K to just over 86% at 333K. (rjptonline.org)
  • Results showed that the unwelded sample exhibited higher corrosion resistance when compared to the laser-welded sample. (northumbria.ac.uk)
  • 304Cu showed a higher corrosion resistance than 304 after the salt spray tests in a 5 wt. (mdpi.com)
  • mm/s shows the highest corrosion resistance, that is, about 150 times that of cp Cu and very close to that of cp Ti. (edu.hk)
  • as being a threshold to respect for being certain to benefit from the highest corrosion resistance. (imedpub.com)
  • M. Mittal, S. Nath and S. Prakash, "Characterization of Plasma Sprayed Hydroxyapatite Coatings on AISI 316L SS and Titanium Substrate and their Corrosion Behavior in Simulated Body Fluid," Journal of Minerals and Materials Characterization and Engineering , Vol. 10 No. 11, 2011, pp. 1041-1049. (scirp.org)
  • A steady demand for enhanced coatings at a reduced cost has been the main focus in the area of corrosion for many years. (hindawi.com)
  • Degradation of the coatings takes place because of unfavorable environmental conditions that lead to many types of corrosion [ 1 - 4 ]. (hindawi.com)
  • Nevertheless, corrosion resistance from metal coatings tends to be unsuccessful because of reduced mechanical properties. (hindawi.com)
  • The alloyed coatings tend to enhance the corrosion resistance properties but possess mechanical properties that are comparable to the individual metals. (hindawi.com)
  • In the case of conductive polymer composite coatings, scientists have shown that layered silicates increase the resistance to corrosion [ 20 , 21 ]. (hindawi.com)
  • The electrochemical behavior was assessed using potentiodynamic polarization and electrochemical impedance spectroscopy. (irost.org)
  • Corrosion properties were analyzed by double-loop electrochemical potentiokinetic reactivation test and electrochemical impedance spectroscopy. (amrita.edu)
  • The effects of corrosive environments on the fatigue behavior of metals were studied as early as 1930. (wikipedia.org)
  • In corrosion of metals, the Pilling-Bedworth ratio (P-B ratio) is the ratio of the volume of the elementary cell of a metal oxide to the volume of the elementary cell of the corresponding metal (from which the oxide is created). (wikipedia.org)
  • However, understanding of LSP-treated surfaces involving tribological contacts in electrochemically active environments is limited because the mechanism of wear-corrosion interactions (tribocorrosion) for such surfaces is still unclear. (silverchair.com)
  • The effect of a Cu addition on the corrosion behavior of 304 austenitic stainless steel in a solution was elaborately investigated through salt spray tests, FeCl 3 immersion tests and characterization analyses. (mdpi.com)
  • The former can improve its corrosion resistance and mechanical properties but not its bioactivity [ 6 ]. (hindawi.com)
  • In this work, nickel-layered silicate nanocomposite films were electrochemically deposited using pulsed potentiostatic conditions from an acidic plating bath containing exfoliated layered silicate to enhance adhesion to the substrate, corrosion resistance, and mechanical properties. (hindawi.com)
  • The incorporation of the layered silicates into the metal matrix should prove to be fruitful for enhanced resistance to corrosion and hardness in the nanocomposite coating. (hindawi.com)
  • The physical and mechanical characteristics, such as water absorption, rapid chloride ion permeability, compressive and flexural strength, and corrosion characteristics, such as half cell potential and corrosion current intensity results were compared for ARPC and CRPC matrices. (deu.edu.tr)
  • In the propagation stage of chloride induced corrosion, almost 13 times higher corrosion current intensity values were measured as well as earlier deterioration and cracking was observed for ARPC compared to CRPC. (deu.edu.tr)
  • The adsorption behavior of 8QSC on copper metal in acid medium obeyed the Langmuir isotherm. (amrita.edu)
  • The corrosion resistance and hardness of the nanocomposite films were compared with each bath condition using Tafel polarization, immersion tests, and nanoindentation. (hindawi.com)
  • Effect of heat treatment on corrosion and electrochemical behaviour of Mg-3Nd-0.2Zn-0.4Zr (wt. (researcher.life)
  • Corrosion behaviour of NiTi completely relies on the characteristics of its passive layer. (ijorth.com)
  • Influence of temperature on the corrosion behaviour of NiTi, related to the pH of solution. (ijorth.com)
  • Furthermore, in these microalgal treatment groups, the passivation films were found to consist of a biofilm and a corrosion product film . (bvsalud.org)
  • AVG mm/yr Target / Measured Acetate, ppm Oil/Water Ratio RCA Ring Appearance A 100 ppm 0.21 95/13 10/90 Two rings had uniform matt surface, but no localized or pitting corrosion. (onepetro.org)
  • Since corrosion-fatigue cracks initiate at a metal's surface, surface treatments like plating, cladding, nitriding and shot peening were found to improve the materials' resistance to this phenomenon. (wikipedia.org)
  • In fact, cyclic potentiodynamic tests cause to a general corrosion on the surface of sample. (ijorth.com)
  • Laser shock peening (LSP) is one of the widely used surface processing techniques for tailoring functional behavior of surfaces. (silverchair.com)
  • The study finds that the LSP processing can decrease the corrosion potential difference between worn and unworn regions of the surface, thereby mitigating the effect of wear-accelerated corrosion during sliding. (silverchair.com)
  • The effect of wear-accelerated corrosion is evident from the change in average surface roughness (S a ) of the unworn areas. (silverchair.com)
  • It is found that understanding the change in surface roughness due to wear-corrosion interactions is necessary to investigate the onset and propagation of galvanic corrosion. (silverchair.com)
  • Surface studies confirmed the corrosion and its intensity onto the metal surface, and according to atomic force microscopy studies, the surface had become remarkably rough after exposure to the corrosive medium. (manipal.edu)
  • Improvements in surface microhardness from 225 to 305.8 HV, the surface finish from 4.84 down to 0.261 μm, and corrosion rate from 6.672 down to 3.516 mpy are observed for a specific set of parameters by turn-assisted deep-cold-rolling process. (manipal.edu)
  • The multiresponse optimization for surface finish and corrosion rate together shows that a ball diameter of 10 mm, a rolling force of 325.75 N, initial roughness of 4.84 µm, and number of tool passes of 3 give better values for the two responses under consideration with composite desirability of 0.9939. (manipal.edu)
  • This study investigates the influence of KOH concentrations on the electrochemical behavior, surface morphology, structure, and sample phases of SS 316L. (iapchem.org)
  • The SEM analysis showed a dynamic change of surface morphology from the lowest to the highest concentration with the intergranular corrosion found at the grain boundaries area. (iapchem.org)
  • Whereas this magnetic flux leakage classifier assured the safe operation of in-service pipelines, its magnetization impact might affect pipeline steel corrosion, particularly for pipelines with flaws in service. (authorea.com)
  • saturated saline aquifer water simulating the conditions in the Northern German Basin at ambient pressure and 60 °C. Additionally, corrosion fatigue experiments (ambient pressure, technically clean CO2, saline aquifer water of Stuttgart Aquifer) were performed using specimen of X46Cr13 (1.4043, AISI 420C) with regard to the influence of the roughness of technical surfaces on the number of cycles to failure at different stress amplitudes. (straevents.org)
  • This paper investigated individual effect of corrosion-induced crack and corroded rebar profile on bond behavior. (elsevierpure.com)
  • For the normal corrosion group, bond test was conducted directly after the corrosion test to investigate the synthesis effect of rebar corrosion including corrosion-induced crack, corroded rebar profile and rust on bond deterioration. (elsevierpure.com)
  • Similarly, corroded rebar with rust was casted into new concrete to evaluate the effect of the formation of corrosion product on the degradation of bond. (elsevierpure.com)
  • Under various corrosion degrees, the influence of corrosion crack, shape of corroded rebar and rust around rebar on bond behavior were discussed separately. (elsevierpure.com)
  • 2016). "Industria de la construcción - Durabilidad de estructuras de concreto reforzado - Concentración de cloruros solubles en agua y ácido - determinación en concreto hidráulico - Método de extracción y método de determinación por ión selectivo. (revistaalconpat.org)
  • 5. Soares BM, Dantas ST, Anjos CA. Corrosion of aluminum for beverage packaging in acidic media containing chlorides and copper ions. (rjptonline.org)
  • Copper pipe loops were set up for corrosion monitoring. (who.int)
  • Both iron and copper release behaviors were influenced by temperature. (who.int)
  • The effect of corrosion on the shear transfer behavior of stud shear connectors was investigated in this study. (purdue.edu)
  • The effect of Ti and C additions on the corrosion behavior of Nd{sub 9.4}Pr{sub 0.6}Fe{sub bal. (irost.org)
  • The effect of corrosion on a smooth-specimen S-N diagram is shown schematically on the right. (wikipedia.org)
  • 4. Branzoi V, Golgovici F, Branzoi F. Aluminium corrosion in hydrochloric acid solutions and the effect of some organic inhibitors. (rjptonline.org)
  • This study was revealed the effect of hexa boron nitride and lanthanum oxide additive on wear resistance and corrosion resistance of hard-facing on mild steel of grade E-250, which was developed by an manual arc welding process. (thapar.edu)
  • It is the mechanical degradation of a material under the joint action of corrosion and cyclic loading. (wikipedia.org)
  • The ideal joint bearing for THA and TKA would be able to withstand high cyclic loading for several decades, without undergoing corrosion or fretting at modular metal tapers, and would possess proven biocompatibility and material stability in vivo, as well as ultralow wear rates. (medscape.com)
  • The corrosion behavior was further analyzed by optical microscopy, scanning electron microscopy, inductively coupled plasma mass spectrometry and an X-ray photoelectron spectroscopy analysis. (mdpi.com)
  • In this paper, the weight loss method, AC impedance technique, potentiodynamic polarization technique,X-ray photoelectron spectroscopy (XPS), and finite element simulation were used to analyze the impact of magnetic field (MF) on the corrosion behavior of high-strength pipeline steel with V-groove flaws in Ku'erle simulated solution. (authorea.com)
  • It is understood that human behavior operates on a constant dynamism that leads to the investigation of integral factors which impact the expression of attitudes and behaviors. (bvsalud.org)
  • In agreement with experiments, this study found strong evidence to link corrosion inhibition property of the compounds to their actual molecular structures in acidic media. (btu.edu.tr)
  • For this reason, emphasis is given to crack-propagation velocity measurements (using fracture mechanics) to study corrosion fatigue. (wikipedia.org)
  • The present study investigated the corrosion behavior of reinforcement bars embedded in alkali-activated (ARPC) and conventional (CRPC) reactive powder concretes. (deu.edu.tr)
  • Based on these results, the study details the mechanism of wear-corrosion interactions during sliding. (silverchair.com)
  • The resulting gains in corrosion resistance and wear resistance were evaluated. (ua.pt)