Search Results - "Corrosion behavior"

Specific environmental conditions, such as marine environments, often influence steel applications in marine industries. These conditions are commonly simulated using a NaCl solution to simplify the study and eliminate the complexities of seawater's chemical and biological variability. In this...

Full description

The addition of beryllium (Be) to Al–Cu alloys enhances their mechanical properties and corrosion resistance. This study aims to investigate the effects of solidification cooling rates and the addition of Be on the microstructural refinement and corrosion behavior of an Al–5wt.%Cu–1wt.%Si–0.5wt.%Be...

Full description

A theoretical and protection study was conducted of the corrosion behavior of carbon steel surface with different concentrations of the derivative (Quinolin-2-one), namly (1-Amino-4,7-dimethyl-6-nitro-1H-quinolin-2-one (ADNQ2O)). Theoretically, Density Functional Theory (DFT) of B3LYP/ 6-311++G (2d,...

Full description

This review paper investigates the corrosion characteristics of geopolymer concrete, which is considered a sustainable and environmentally friendly substitute for conventional concrete made with Portland cement. This study aims to consolidate the current understanding of corrosion mechanisms, the va...

Full description

This study systematically investigated the effects of biologically relevant microalloying elements—calcium (Ca), strontium (Sr), manganese (Mn), and zirconium (Zr)—on the electrochemical behavior of Mg-Y-Zn alloys containing long-period stacking ordered (LPSO) phases. The alloys were prepared by cas...

Full description

The corrosion behavior of low carbon steel in washing water of crude oil solution has been studied potentiostatically at five temperatures in the range ( 303 –343 )K, at pH ( 4 ) and at pH (4,6,7,9,11 ) at (343K)..The corrosion potential shifted to more negative values with increasing temperature...

Full description

The microstructural, mechanical and corrosion properties of low-alloyed Mg-Zn-Ca alloys with different Zn/Ca atomic ratios were investigated. The results show that the microstructure of the extruded Mg-1Zn-0.3Ca (ZX1.0) alloy mainly consists of α-Mg and Ca₂Mg<sub>6</s...

Full description

For providing the data support to design and develop microalloyzed steels, the corrosion behavior of rare earth microalloyed steels and niobium microalloyed steels in marine atmospheric environments was investigated by the means of surface microstructure characterization, alternative wet/dry cycle t...

Full description

This study systematically investigates the corrosion behavior of LAZ933 Mg–Li alloy in chloride-containing environments using a 0.1 wt% NaCl salt spray test, combined with corrosion weight loss analysis, macro-micro-morphological observation, X-ray diffraction (XRD), and electrochemical testing. The...

Full description

The corrosion of DD32 alloy in a marine atmospheric environment was investigated through accelerated corrosion tests. The corrosion morphology and products of alloy were discussed by the SEM, XRD, and XPS characterization. Under marine atmospheric corrosion, corrosion pits formed on the alloy surfac...

Full description

In this work, the effects of various rolling deformations on the microstructural evolution, mechanical properties, corrosion behavior, and cytocompatibility of Zn-0.5Mn alloys were studied. When the rolling deformation is 85 %, the microstructure of the Zn-0.5Mn alloy becomes dendritic after repeate...

Full description

In order to explore the corrosion behavior of 17 - 4PH stainless steel in HCl solution, the corrosion performance of 17 - 4PH stainless steel in HCl solution was measured by potentiodynamic polarization and electrochemical impedance. Scanning electron microscope (SEM), energy spectrum (EDX) and X -...

Full description

A series of CoCrNiSix (x = 0–0.2) medium-entropy alloy films with a thickness of 680 nm–981 nm were fabricated using magnetron sputtering. This study investigates the effects of Si content on the microstructure, mechanical properties, and corrosion resistance of the films. The results indicate that...

Full description

Aiming at the corrosive effect of rare earth cerium salt passivation in atmospheric environment, the atmospheric corrosion behavior of conversion coatings prepared by different concentration rare earth cerium salt on X70 carbon steel’s surface was studied by means of weightlessness method, electroch...

Full description

FeCoCrNiMnSix (x = 0, 0.1, 0.2) high-entropy alloys (HEAs) were successfully prepared by vacuum arc melting. The alloy successfully obtained a heterogeneous grain structure after deformation and annealing. The effect of heterogeneous grain structure and Si content on corrosion resistance in sulfuric...

Full description

The impact of tensile deformation on the microstructural characteristics and corrosion resistance of 316L austenitic stainless steel (ASS) produced via laser metal deposition (LMD) was systematically studied using electron backscatter diffraction (EBSD) and electrochemical analyses performed in a si...

Full description

In response to the performance requirements of ship conductive rings in the coupled environment of high salt spray, high humidity, and mechanical wear in the ocean, a Cu-TiC composite coating was prepared on the surface of 7075 aluminum alloy by using the high-speed laser cladding (HLC) technology....

Full description

It is meaningful to study the effect of long-period stacking ordered(LPSO)phases content on the corrosion behavior of Mg-Gd-Y-Zn-Zr alloys for designing novel high-strong anti-corrosive Mg alloys.In this work, the electrochemical and corrosion behaviors of Mg-Gd-Y-Zn-Zr alloy in 5% NaCl aqueous solu...

Full description

In order to improve the corrosion performance of building Q295B surface in seawater, by adding trace rare earth element Y into the powder, the corrosion resistance of cold sprayed Al2O3&#x00A0;- Al coating was enhanced. The changes of microstructure and corrosion resistance of Al2O3&#x00A0;-...

Full description

At present, the influence of post-weld heat treatment on the corrosion behavior of 1.25Cr0.5Mo steel has less been reported in literatures.Thus, the normalized 1.25Cr0.5Mo steel was quenched, tempered at high temperature or quenched and tempered to simulate different post weld heat treatment process...

Full description