Tribocorrosion Behavior Research Articles

Accelerating the design and discovery of tribocorrosion-resistant metals by interfacing multiphysics modeling with machine learning and genetic algorithms

Lightweight aluminum alloy is one of the widely used structural materials for various industries due to its low density, high strength-to-weight ratio, good corrosion resistance, and excellent recyclability. However, complex service conditions often result in material degradation due to simultaneous mechanical and corrosion attacks on the metal surfaces, such as tribocorrosion. This phenomenon represents a complex multiphysics challenge, wherein the tribocorrosion-induced material loss emerges as a function of varied environmental, mechanical, and electrochemical descriptors, each entailing distinct yet interlinked physical processes. The pursuit of simultaneous optimization across multiple material properties to enhance the overall tribocorrosion resistance is hampered by the inherent trade-offs between wear and corrosion resistance. Addressing this complexity, our study develops a novel methodology fusing machine-learning (ML) and genetic algorithm (GA)-based optimization techniques to tailor aluminum-based alloys for enhanced tribocorrosion resistance. Leveraging an experimentally validated multiphysics finite element analysis (FEA) model, we have used six key material parameters to model the tribocorrosion performance of Al alloys over a large property space. The ML model employs an ensemble method of artificial neural networks (ANNs) to predict the tribocorroded surface profile and total material loss based on FEA simulation results, significantly reducing computational time compared to conventional FEA methods. Crucially, our high-throughput screening pinpoints corrosion current density and yield strength as two pivotal parameters influencing tribocorrosion behavior. Harnessing GA optimization alongside the ML model, we efficiently identify a suite of optimal material properties—encompassing both mechanical and electrochemical aspects—for aluminum alloys, resulting in superior tribocorrosion resistance. This selection is substantiated through validation against high-fidelity FEA simulation results. This data-driven framework holds promise for tailoring tribocorrosion-resistant materials beyond aluminum alloys, adaptable to a wide range of metals and service environments.

Effect of laser shock peening on the tribo-corrosion behavior of 20CrMnTi alloy steel

Effect of laser shock peening on the tribo-corrosion behavior of 20CrMnTi alloy steel

Tribo-corrosion behavior of hypoeutectoid and hypereutectoid TC4-Cu coatings fabricated by laser surface alloying

Tribo-corrosion behavior of hypoeutectoid and hypereutectoid TC4-Cu coatings fabricated by laser surface alloying

Effect of Normal Load and Temperature on the Tribo-Corrosion Behaviors of 20CrMnTi Alloy Steel

Effect of Normal Load and Temperature on the Tribo-Corrosion Behaviors of 20CrMnTi Alloy Steel

Tribocorrosion behavior at the taper–trunnion interface of artificial hip prostheses with different femoral head materials

Tribocorrosion behavior at the taper–trunnion interface of artificial hip prostheses with different femoral head materials

Investigating the Tribocorrosion Behaviour of NiTiNOL60 Alloy in Engineering and Biomedical Applications—An Overview

This review covers the literature that is currently accessible, as well as emerging research into the performance of NiTi-based alloys exposed to corrosive environments in both engineering and medical applications. It provides an overview of the state-of-the-art research in the study of tribocorrosion of Ni-rich NiTi alloy by highlighting significant discoveries, research approaches, and future research directions following the limited reviews on tribocorrosion in the past decade. The practical impacts, as well as the economic implications of tribological applications on daily life, coupled with the increasing failures of metals and biomaterials, make it imperative to investigate tribocorrosion and update the subject area on the recent focus. Tribocorrosion is commonly observed on the surface of different metals, including NiTi alloys, such as NiTiNOL60 (60 wt.% Ni and 40 wt.% Ti), which possess unique properties applicable across various engineering and biomedical fields. In its application, the material experiences wear due to the depassivation of tribofilms caused by relative motion (sliding, fretting, or impact) in aggressive environments, including corrosive mediums, high temperatures, and pressures. This study elucidates the synergistic interactions between mechanical wear, corrosion, and their associated tribocorrosion mechanisms in corrosive media.

CO2 tribocorrosion of CVD W/WC coatings and performance against internally epoxy coated pipes: A benchmark against HVOF WC-Cr3C2-NiCr and electroless Ni-P coatings

CO2 anoxic environments are often found in the energy sector in applications comprising oil and gas, geothermal energy or carbon capture and utilization, among others. These environments are highly corrosive, resulting in material degradation and ultimately component failure. A widely used option for mitigating degradation in CO2 corrosive environments relies on the use of corrosion resistant coatings. However, these coatings are often exposed simultaneously to wear in many applications such as in sucker rods for the oil and gas industry, resulting in tribocorrsion. The separate corrosion or wear behavior of many industrial relevant corrosion resistant coatings has been previously widely reported in many works. However, knowledge about their tribocorrosion behavior is scarce and limited to atmospheric conditions, being the knowledge on their CO2 tribocorrosion behavior inexistent. The present work shows under well-controlled electrochemical conditions that the specific wear rate of chemical vapor deposited W/WC and thermal spray WC-Cr3C2-NiCr coatings is up to three orders of magnitude lower when compared to electroless Ni-P coatings under point contact conditions and one order of magnitude lower under line contact conditions, despite all coatings offering a good corrosion resistance under high pressure CO2. The experiments performed under line contact conditions also reveal that the former coatings are also suitable for protecting components sliding against abrasive epoxy coatings. These results highlight the importance of simultaneously evaluating the wear performance of coatings in reactive environments in order to select coatings suitable for protecting sliding components in CO2 corrosive environments.

Understanding the tribo-corrosion behaviors and mechanism of Si/N-DLC films in marine environment

Herein, a series of Si/N-DLC films were deposited by modulating the flow rate of the N2 precursor, with the aim of elucidating their tribo-corrosion behaviors and underlying mechanisms in a marine environment. The results indicate that the deposited Si/N-DLC films significantly enhance the substrate's resistance to tribo-corrosion in seawater. This improvement initially increases and then decreases, a trend attributed to the toughness of the film. The fundamental tribo-corrosion mechanism involves a solid-liquid composite lubrication composed of Si/N-DLC film and seawater, and it is dependent on the adequacy of liquid-phase lubrication, the graphitization degree at the friction interface, and the film toughness. This process is coupled with the blockage of corrosion pathways due to the diffusion of corrosion products, the formation of tribo-chemical products, and the generation of wear debris.

Investigation into tribocorrosion behaviors of CoCrFeNiNb laser-clad coatings with Y2O3

Abstract Some components made of titanium alloys will serve in corrosive environments in the industry, and suffer from corrosion and wear at the same time. However, the components exhibit the high wear and corrosion rates due to their low hardness and the extremely thin oxidation film formed on their surfaces, which can accelerate their failure and reduce their service life. In response to this situation, CoCrFeNiNb high-entropy alloys (HEAs) coatings with Y2O3 (0 wt%, 1 wt%, 2 wt%, and 3 wt%) were successfully prepared on Ti6Al4V by laser cladding. The effects of Y2O3 addition content on the microstructure, corrosion and mechanical properties were investigated comprehensively by x-ray diffractometry (XRD), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), microhardness tests, electrochemical tests and tribocorrosion tests in this work. Other than them, tribocorrosion behaviors of the coatings were especially highlighted in two different environments (neutral (pH 7) and acid (pH 3) solutions). The results showed the significant enhancement in microhardness with the introduction of Y2O3 due to the microstructural refinement and the formation of Laves phase Cr2Nb in the coatings. The coating with 2 wt% Y2O3 performed the most excellent corrosion resistance (neutral solution: Ecorr = −0.12 V; acid solution: Ecorr = 0.043 V) increased by 55.5% and 115.0% of the coating without Y2O3. As well as, the coating also demonstrated the lowest wear rates (neutral solution: 3.32 × 10−4 mm3·N−1·m−1; acid solution: 2.24 × 10−4 mm3·N−1·m−1) reduced by 17.8% and 33.3% of the coating without Y2O3. The superior tribocorrosion resistance and corrosion resistance make CoCrFeNiNb+2 wt% Y2O3 HEA coating show a tremendous potential in aerospace and marine applications.

Relationship between residual stress and tribocorrosion behavior of high quality DLC coatings prepared by FCVA with HVP technology

Diamond-like carbon coatings can be used to protect precision components in extreme marine environments from the coupling effects of tribocorrosion. However, the thickness of the diamond-like carbon coating is limited by residual stress. In this paper, a method combining filtered cathodic vacuum arc deposition and high-voltage pulsed technology is used to controllably release residual stresses to deposit high-quality thick diamond-like carbon coatings and to study their tribocorrosion mechanism and performance in extreme environments. The results showed that periodic energetic particles could disrupt the local carbon network structure with increasing frequency, thereby reducing the residual stress to 0.787 GPa in a diamond-like carbon coating of about 5 μm, and the release of residual stress prevented the formation of corrosion channels during corrosion of the diamond-like carbon coating. The high-quality diamond-like carbon coating was tested in a tribocorrosion test at 5 N and 10 N loads. The excellent corrosion resistance reduces the coupling effect of tribocorrosion on the coating. The high content of graphite-like structures inhibits the formation of microcracks, reducing the degree of wear of the diamond-like carbon coating in 3.5 wt.% NaCl solution. The combination of high-voltage pulsed technology and filtered cathodic vacuum arc deposition can break through the limitation of residual stress on the thickness of diamond-like carbon coatings, which provides meaningful guidance for the application of thick diamond-like carbon coatings for surface protection of precision devices.

Synergy analysis of tribocorrosion behaviour of aluminum alloy under different hydrostatic pressures

Static corrosion, tribocorrosion tests, and potentiostat polarization tests were carried out on aluminum alloy 7075-T6 in 3.5 wt% NaCl solution. The influence of hydrostatic pressure on the tribocorrosion of the aluminum alloy in 3.5 wt% NaCl solution was studied, and the synergy relationship between its corrosion and wear was quantitatively analyzed. The results showed that the material loss of the aluminum alloy was not simply a superposition of corrosion and wear. The wear rate of corrosion-accelerated wear increased with the hydrostatic pressure, and when the hydrostatic pressure increased from 0.1 MPa to 30 MPa, the contribution of corrosion-accelerated wear increased by 15.43%. This research will help provide theoretical support for the selection of materials for deep-sea equipment.

Corrosion and Tribocorrosion Behaviors of Fe2TiAl–Fe2Ti Alloy

Corrosion and Tribocorrosion Behaviors of Fe2TiAl–Fe2Ti Alloy

Excellent tribocorrosion resistance in artificial seawater of high entropy alloy FeCrNiCoAl coating prepared by HVOF

In marine environments, steel friction pairs undergo significant degradation due to the combined effects of wear and corrosion, known as tribocorrosion. This study investigates the tribocorrosion behavior and mechanisms under high loads of a High Entropy Alloy (HEA) FeCrNiCoAl coating applied by HVOF spraying, as well as cast ingot FeCrNiCoAl and 304SS samples, in artificial seawater. The investigations were conducted using electrochemical methods and in situ wear- electrochemical techniques. The tribocorrosion rate of the HVOF coating is approximately 1/5 that of the HEA cast ingot and 304SS samples. This is attributed to the coating's high hardness and the supporting and isolating effects of its oxide layers between splats. An intriguing finding is that the Open-Circuit Potential (OCP) trough value of the HVOF coating coincides with the peak Coefficient of Friction (COF) value during tribocorrosion in artificial seawater. This is due to the exposure of fresh surfaces following the local peeling off of flattened particles. Furthermore, the coating exhibits high re-passivation capabilities during wear because of high oxygen content in the coating. In comparison to corrosion, wear-induced material loss was identified as the primary contributor (≥ 99.8 %) to mass loss in both HEA cast ingot and coating samples. Optimizing the quantity and morphology of the HVOF coating has the potential to further enhance its tribocorrosion resistance. This study lays the foundation for developing advanced tribocorrosion-resistant coatings for use in seawater environments.

Comprehensive evaluation of corrosion resistance and biocompatibility of ultrafine-grained TiMoNb alloy for dental implants

To address the limited wear resistance observed in traditional titanium alloys, we have developed an ultrafine-grained equiatomic TiMoNb compositionally complex alloy (CCA) with exceptional wear resistance. However, there is a significant lack of in vitro and in vivo evaluation of the TiMoNb CCA for biomedical applications. In this study, we comprehensively evaluate the corrosion behavior, tribo-corrosion performance, biocompatibility, and osseointegration of the TiMoNb alloy. Our findings indicate that the alloy exhibits strong corrosion resistance and stable tribo-corrosion behavior, attributed to the presence of Ti-rich nanoscale precipitates that impede tribo-corrosion-induced shear deformation, along with a protective nanoscale oxide layer. Furthermore, in vitro and in vivo evaluations demonstrate the excellent biocompatibility of the TiMoNb alloy and reveal its ability to promote the regeneration of defective femurs and its favorable bone osseointegration capability. Overall, our study underscores the potential of the TiMoNb alloy as a promising material for dental implants and provides valuable insights into the tribo-corrosion mechanisms of ultrafine-grained alloys.

Influence of deep-sea hydrostatic pressure on the tribocorrosion behavior and mechanism of La2O3–TiB2–Ni coating

To understand the tribocorrosion mechanism of TiB2–Ni coating doped with La2O3 in the deep ocean, the wear and corrosion test of La2O3–TiB2–Ni under various hydrostatic pressures was conducted and discussed in 3.5 wt % NaCl solution. The results indicate that the tribocorrosion mechanism of the La2O3–TiB2–Ni coating transitions from abrasive wear with corrosion under 0.1 MPa to abrasive wear with corrosion and adhesive wear under high hydrostatic pressure. The La2O3–TiB2–Ni coating shows significant enhancements in wear resistance and anti-friction properties compared to the TiB2–Ni coating. As the hydrostatic pressure increases from 0.1 MPa to 30 MPa, the self-corrosion current density experiences an approximate increase of 43.6 μA/cm2.

Tribocorrosion behavior of 420 martensitic stainless steel in extracts of allium cepa

The article presents a study of tribocorrosion resistance of AISI 420 steel in extracts of allium cepa (onion juice). The tests were conducted for 3 variants of heat treatment and two ball pressures of 4.5 and 14 N on a ball-on-plate test stand. For all AISI 420 martensitic steel specimens tested in tribocorrosion tests, a clear friction-corrosion synergy effect was found, ranging from 30 to 60 % of total tribocorrosion wear. The lowest mechanical wear was found for samples after low-temperature tempering at 200 °C (54 HRC). Under tribocorrosion conditions, samples after medium-temperature tempering at 400 °C (51 HRC) were more resistant to wear. The results of the tests were used to make an onion-cutting blade, which found industrial application in one of the food industry factories.

Structural, dry sliding wear and tribocorrosion behaviors of the Mo-Si-B intermetallic alloys

Four Mo-Si-B alloys were manufactured using a non-consumable arc melting method. The structure, wear behavior, and tribocorrosion performances in 3.5 wt% NaCl solution for the alloys was thoroughly evaluated. The alloys possess favorable overall mechanical characteristics, including high hardness (15–19.5 GPa), elastic modulus (337–364 GPa), and fracture toughness (9.32–11.1 MPam1/2), and their wear resistance remarkably improved as the Mo content increased. The alloys are subjected to worn mechanisms of adhesive, plastic deformation, brittle spalling and tribo-oxidation. The alloys exhibit superior tribocorrosion characteristics due to the formation of a MoO3-MoO2-SiO2-B2O3 protective film with good corrosion resistance and lubricating properties. In tribocorrosion tests, tribocorrosion losses of the alloys were dominated by the wear behavior (Vw+Vcw), and the corresponding tribocorrosion mechanism was discussed.

Preparation and tribocorrosion behavior of electrodeposited Ni–W/ SiC composite coatings

Ni-W composite coatings that are applied using electrodeposition exhibit excellent mechanical strength, corrosion resistance and wear resistance and are a substitute for hard chrome because they involve fewer environmental hazards than regular chromium plating processes. This study determines the effect of process parameters, such as current density (5, 10 and 15 A/dm2) and SiC concentration (0.5, 1.0 and 1.5 g/L), on the chemical composition, structure, mechanical properties and corrosion resistance of electrodeposited Ni-W/SiC composite coatings and determines the interaction between the mechanical behavior and the electrochemical reactions that occur during corrosion and friction. The experimental results show that there are no cracks on the surface of the coating and that the surface roughness increases as current density increases. As the content of W and SiC particles in the composite coating increases, the hardness and corrosion resistance of the coating increase because of solid solution strengthening and nano-ceramic particle dispersion strengthening.In order to verify the protective performance of the coating in complex environments, a ball-on-disk abrasion tester and a potentiostat are used to determine the tribocorrosion behavior of the Ni-W/SiC composite coating against the sliding of the Al2O3 counter-body. In 3.5 wt%NaCl solution and at +600 mV, the corrosion and wear characteristics of composite coatings that are produce using different process parameters are determined. Analysis of the synergistic effects of corrosion and friction shows that the wear component (△Wwear) is 3–5 times greater than the corrosion component (△Wcorr), which is the main cause of coating damage. The greater the hardness of the coating, the less mass is lost for the wear component (△Wwear). The results show that the operating parameters for producing ideal Ni-W/SiC composite coatings are a SiC particle concentration 1.0 g/L and a current density of 10A/dm2. These settings give the best wear resistance in corrosive environments.

Reliability assessment of an aircraft locking mechanism considering tribocorrosion and correlated failure modes in a marine environment

Landing gear door locking mechanisms are critical for aircraft safety, as their failure can lead to severe accidents. Therefore, these mechanisms must meet stringent reliability requirements. This study introduces a reliability evaluation method for a locking mechanism operating in a marine environment, which integrates dynamic simulation with a tribocorrosion experiment of the joints. Initially, a multibody dynamic model of the locking mechanism was developed to establish the boundary conditions for the joints. Subsequently, an accelerated tribocorrosion experiment was performed to assess the tribocorrosion behavior of these joints. Based on the experimental outcomes, the motion torque and output of the locking mechanism were determined. Considering the correlation between failures due to insufficient accuracy and jamming, an improved response surface methodology utilizing cross-utilization of experimental points was developed. Reliability of the locking mechanism was subsequently confirmed. The present findings indicated that the maximum wear depth in the corrosive environment increased by 25.28 μm (37.15 %) compared to a non-corrosive, dry friction environment. Similarly, the maximum friction coefficient in the corrosive environment increased by 0.0818, which corresponds to an increase of approximately 11.76 %. Furthermore, the proposed reliability evaluation method proved to be 33 % more efficient than the traditional response surface method.

Tribocorrosion in nitric acid of Zr alloy, Ti alloy, and 310 SS used for reprocessing of spent nuclear fuel

The tribocorrosion behavior of the three representative dissolver materials, namely zirconium (Zr) alloy, 310 stainless steel (SS), and titanium (Ti) alloy in HNO3 was systematically investigated by SEM, XPS, and Nanoindentation. The results revealed that Zr alloy possesses high corrosion resistance but a less favorable tribocorrosion resistance, whereas 310 SS presents a comparatively better tribocorrosion resistance but insufficient corrosion resistance. Moreover, both the coefficient of friction and wear loss of all three alloys were decreased at 0.8 V compared to −0.8 V, demonstrating an antagonistic effect of corrosion on wear, attributed to the lubrication and hardness enhancement of oxide layers. The present work offers a new perspective on the tribocorrosion behavior of continuous dissolvers used for reprocessing spent nuclear fuel.