Can you clean battery corrosion with carb cleaner?
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51 Citations | Therefore, when the lead electrode is used as a positive electrode in a battery, no corrosion due to the exposure of the bare metal is expected. |
| A switch from aerobic to aerobic-with-sulfide corrosion doubles the relative corrosion rate. | |
| NIMP can be utilized as an acidizing corrosion inhibitor. | |
| It is identified that the modeling approach used in this work can be used to investigate the effect of corrosion on lead-acid battery performances. | |
44 Citations | A comparison to corrosion morphologies developed during free corrosion experiments with the alloy show that electrochemical microscopy captures forms and intensity of localized corrosion as well as trends associated with systematic changes in environment chemistry. |
| Voltammetric parameters are listed which correlate with corrosion rate under open circuit and can be used to predict both short- and long-term corrosion behavior. |
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Why opex estimation is important for technoeconomic assessment?
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Estimating Operational Expenditure (OPEX) is crucial in technoeconomic assessment as it directly impacts the economic viability of a project. OPEX includes costs related to solvent consumption, energy requirements, maintenance, and operational activities, providing a comprehensive view of the ongoing expenses involved in a process. In the context of Wave Energy Converters (WECs), OPEX calculations are essential for determining the Levelized Cost of Energy (LCOE) and assessing the influence of operational costs on final indicators. Proper OPEX estimation allows for a thorough evaluation of the financial sustainability of a technology or project, aiding in decision-making processes regarding feasibility, risk assessment, and cost reduction strategies. Therefore, OPEX estimation plays a vital role in ensuring the overall economic feasibility and success of a technoeconomic evaluation.Lactic acid works better on limestone or dolomite reservoir in matrix acidizing?4 answers
Lactic acid has shown effectiveness in matrix acidizing on limestone reservoirs due to its ability to generate optimal wormholes and dissolve calcite efficiently. The reaction of lactic acid with carbonate rocks, like limestone, produces soluble calcium lactate, which aids in enhancing dissolution patterns and minimizing precipitation issues. Additionally, incorporating gluconic acid with lactic acid further improves solubility and reduces corrosion rates, making it a favorable choice for limestone reservoirs. On the other hand, while lactic acid can also be used on dolomite formations, its performance might be less efficient compared to limestone due to differences in mineral composition and reactivity. Therefore, lactic acid is more beneficial for matrix acidizing in limestone reservoirs compared to dolomite reservoirs.When did the term "arc synthesis" begin?4 answers
The term "arc synthesis" refers to a method used in various scientific and technological fields, notably in materials science, metallurgy, and nanotechnology, for synthesizing new materials through the application of an electric arc. The origins of arc synthesis can be indirectly traced back to the development of arc plasma physics, which has its roots in the 18th century, as the understanding and application of electricity evolved over time. This foundational knowledge paved the way for the utilization of arc discharges in material synthesis processes.
In the realm of nanotechnology, arc synthesis has been employed for the production of single-wall carbon nanotubes, utilizing a cathode and anode discharge under inert gas pressure, indicating a sophisticated application of arc technology for creating materials at the nanometer scale. Similarly, the method has been adapted for synthesizing silicon carbide and silicon nanostructures, demonstrating the versatility of arc synthesis in producing a variety of materials.
The technique has also been refined in materials physics and metallurgy for synthesizing new materials from high purity constituents, with advancements such as non-contact ignition systems to maintain material purity. Furthermore, the synthesis conditions under arc discharge have been studied for their effects on the formation of materials like fullerenes, revealing insights into the quasiperiodic space-time structure of the arc.
Arc synthesis in nitrogen atmospheres with specific catalysts for the production of carbon nanotubes further exemplifies the method's adaptability and the ongoing research to optimize conditions for material synthesis. Beyond materials science, the concept of "arc" finds application in other domains, such as satellite system synthesis, although in a different context.
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The significance of weight mass loss calculation extends to the development and evaluation of biodegradable Mg alloys for medical applications. For example, the addition of elements like Y to Mg-0.5Ca alloys was studied for its impact on biodegradability and biocompatibility, with weight mass loss calculations providing insights into the alloys' degradation rates and their suitability for biomedical use. This method also supports the development of predictive models for Mg alloy degradation in physiological environments, as demonstrated by the creation of a finite element model calibrated against mass loss data to accurately predict corrosion behavior.
Furthermore, weight mass loss calculation complements other electrochemical techniques, such as electrochemical impedance spectroscopy (EIS), in providing a comprehensive understanding of Mg alloys' corrosion mechanisms. For instance, studies comparing the corrosion behavior of die-cast Mg-Al alloys utilized mass loss calculations alongside EIS and other methods to derive corrosion rates and understand the alloys' degradation in different electrolytes.
In summary, weight mass loss calculation is an indispensable tool in the electrochemical analysis of Mg alloys, offering a straightforward and effective means of assessing corrosion rates. This method, in conjunction with electrochemical techniques, facilitates the development of Mg alloys with improved corrosion resistance and biodegradability for a wide range of applications, from automotive systems to biomedical implants.Why is plastic and aluminum mostly used in packaging beverages?5 answers
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Data-driven methods for Remaining Useful Life (RUL) prediction, as seen in various studies, offer significant advancements over traditional approaches. Unlike traditional methods that rely on physical models, data-driven techniques like deep neural networks, Extreme Learning Machines (ELM), and dynamic latent variable reconstruction nonlinear Wiener process (DLVR-NWP) focus on analyzing data directly to predict RUL accurately. These data-driven methods extract features from operating conditions and fault modes using techniques like neural architecture search, self-supervised learning, and dynamic latent variable-based feature extraction. By leveraging data instead of predefined models, data-driven approaches can adapt to the complex and nonlinear degradation processes of systems like lithium-ion batteries and bearings, leading to more precise RUL predictions with reduced human effort and improved accuracy.How a pump that emits oxygen can help in hydroponic AB fertilizers?5 answers
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To determine instantaneous corrosion rates, methods such as the extrapolation of Tafel slopes with corrosion potential (Stern method) and polarization resistance (Stern-Geary method) are utilized, which are based on electrochemical theoretical concepts. These methods have been applied to various metals, including copper and iron, in systems that simulate real-world conditions, demonstrating the ability of electrochemical measurements to accurately correlate with traditional weight loss methods.
The mixed potential theory, foundational to understanding corrosion reactions, posits that corrosion can be explained without assuming the existence of local anodes and cathodes, by considering that cathodic and anodic partial reactions occur at the metal/electrolyte interface. Electrochemical tests, as described in ASTM standards, offer a rapid means to screen environmental effects on corrosion, utilizing resistance to polarization to calculate corrosion rates. However, the accuracy of these measurements can be affected by various factors, including excitation voltage amplitudes and solution resistance.
The linear polarization technique, in particular, has been highlighted for its broad applicability in studying environmental variables, evaluating inhibitors, and comparing corrosion rates among alloys. Isolated polarization has been used to examine the corrosion resistance of palladium alloys, demonstrating the technique's sensitivity to electrolyte acidity. Lastly, the importance of considering mass transport in polarization-resistance measurements has been emphasized, as neglecting this can lead to significant errors in calculated corrosion rates.
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