Maximilian Sieber
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View article: Controlling coating thickness distribution for a complex geometry with the help of simulation
Controlling coating thickness distribution for a complex geometry with the help of simulation Open
This paper aims to develop a proper and valid simulation model for electroplating complex geometries. Since many variables influence the quality of the deposited coating and its thickness distribution, it is challenging to conduct efficien…
View article: Characterisation Method of the Passivation Mechanisms during the pre-discharge Stage of Plasma Electrolytic Oxidation Indicating the Mode of Action of Fluorides in PEO of Magnesium
Characterisation Method of the Passivation Mechanisms during the pre-discharge Stage of Plasma Electrolytic Oxidation Indicating the Mode of Action of Fluorides in PEO of Magnesium Open
Plasma electrolytic oxidation (PEO) is a method to obtain protective coatings on metallic light-weight construction materials. Here, the workpiece receives a strong anodic polarisation in a suitable aqueous electrolyte, which leads to the …
View article: Introduction to Plasma Electrolytic Oxidation—An Overview of the Process and Applications
Introduction to Plasma Electrolytic Oxidation—An Overview of the Process and Applications Open
Plasma electrolytic oxidation (PEO), also called micro-arc oxidation (MAO), is an innovative method in producing oxide-ceramic coatings on metals, such as aluminum, titanium, magnesium, zirconium, etc. The process is characterized by disch…
View article: Test method and device for evaluation of volatile corrosion inhibitors
Test method and device for evaluation of volatile corrosion inhibitors Open
Volatile corrosion inhibitors (VCI), which are incorporated in packaging materials like films, papers, plastic racks etc., are a suitable means for temporary corrosion protection during transport and storage of metallic products.For the ev…
View article: Evaluation of volatile corrosion inhibitors in the presence of condensation water by electrochemical methods
Evaluation of volatile corrosion inhibitors in the presence of condensation water by electrochemical methods Open
Volatile corrosion inhibitors (VCI) are a means of temporary corrosion protection based on the release of inhibitors from films, papers, diffusers or oil to the gaseous phase. By adsorption on a metal surface, the inhibitors prevent degrad…
View article: Operating principle of volatile corrosion inhibitors in the jar test
Operating principle of volatile corrosion inhibitors in the jar test Open
An appropriate corrosion protection is required for transport and storage of high-quality goods and semi-finished parts made from metals. The application of volatile corrosion inhibitors (VCI) as a means of temporary corrosion protection i…
View article: Plasma Electrolytic Oxidation of High-Strength Aluminium Alloys—Substrate Effect on Wear and Corrosion Performance
Plasma Electrolytic Oxidation of High-Strength Aluminium Alloys—Substrate Effect on Wear and Corrosion Performance Open
With the progress in materials science and production technology and the establishment of light-weight design in many fields of the industry, the application of light metals no longer requires only mechanical strength, but also a significa…
View article: Effect of Nitric and Oxalic Acid Addition on Hard Anodizing of AlCu4Mg1 in Sulphuric Acid
Effect of Nitric and Oxalic Acid Addition on Hard Anodizing of AlCu4Mg1 in Sulphuric Acid Open
The anodic oxidation process is an established means for the improvement of the wear and corrosion resistance of high-strength aluminum alloys. For high-strength aluminum-copper alloys of the 2000 series, both the current efficiency of the…
View article: Composition of highly concentrated silicate electrolytes and ultrasound influencing the plasma electrolytic oxidation of magnesium
Composition of highly concentrated silicate electrolytes and ultrasound influencing the plasma electrolytic oxidation of magnesium Open
Magnesium and its alloys are increasingly in use as lightweight construction materials. However, their inappropriate corrosion and wear resistance often prevent their direct practical use. The plasma electrolytic oxidation (PEO) is a promi…
View article: Downscaled anodic oxidation process for aluminium in oxalic acid
Downscaled anodic oxidation process for aluminium in oxalic acid Open
The increasing multi-functionality of parts and assemblies in several fields of engineering demands, amongst others, highly functionalised surfaces. For the different applications, on the one hand, there is a need to scale up surface modif…
View article: Influence of the heat treatment condition of alloy AlCu4Mg1 on the microstructure and properties of anodic oxide layers
Influence of the heat treatment condition of alloy AlCu4Mg1 on the microstructure and properties of anodic oxide layers Open
Due to their outstanding specific mechanical properties, high-strength, age-hardenable aluminum alloys offer a high potential for lightweight security-related applications. However, the use of copper-alloyed aluminum is limited because of …
View article: Localised anodic oxidation of aluminium material using a continuous electrolyte jet
Localised anodic oxidation of aluminium material using a continuous electrolyte jet Open
Anodic oxidation of aluminium and its alloys is often used as protection against material wearout and corrosion. Therefore, anodic oxidation of aluminium is applied to produce functional oxide layers. The structure and properties of the ox…
View article: Elektrochemisches Modell zur Beschreibung der Konversion von Aluminium durch anodische Oxidation
Elektrochemisches Modell zur Beschreibung der Konversion von Aluminium durch anodische Oxidation Open
Durch elektrochemische Impedanzspektroskopie während der anodischen Oxidation von Aluminium werden in der vorliegenden Arbeit die elektrochemischen Vorgänge während der Oxidbildung quantitativ und zeitabhängig untersucht. Es wird ein Model…
View article: Correlating the Layer Properties of Ni-alumina Composite Coatings and the Mechanism of Codeposition
Correlating the Layer Properties of Ni-alumina Composite Coatings and the Mechanism of Codeposition Open
Ni-Al2O3 composite coatings electrodeposited from Watt’s electrolyte include Al2O3 nano-and submicron particles. The effect of particle size and concentration of the particles in the electrolyte …
View article: Anodisation with dynamic current control for tailored alumina coatings
Anodisation with dynamic current control for tailored alumina coatings Open
The anodic oxidation process is commonly used to refine the surface of aluminium and its alloys. Compared to the substrate, the alumina layers produced by anodising exhibit an increased hardness and chemical resistance. Thus, the corrosion…
View article: Plasma electrolytic oxidation of AMCs
Plasma electrolytic oxidation of AMCs Open
Aluminum Matrix Composites (AMCs) consisting of high-strength alloys and ceramic reinforcement phases exhibit a high potential for security relevant lightweight components due to their high specific mechanical properties. However, their ap…
View article: Plasma electrolytic oxidation of Titanium Aluminides
Plasma electrolytic oxidation of Titanium Aluminides Open
Due to their outstanding specific mechanical and high-temperature properties, titanium aluminides exhibit a high potential for lightweight components exposed to high temperatures. However, their application is limited through their low wea…
View article: Experimental and numerical investigation on cold flat rolling processes of DC04 sheets with special focus on residual stresses
Experimental and numerical investigation on cold flat rolling processes of DC04 sheets with special focus on residual stresses Open
The process of cold flat rolling is a widespread industrial technique to manufacture semi-finished products, e.g., for the automotive or homewares industry. Basic knowledge of the process regarding dimensioning and adjustment of defined ch…
View article: Corrosion Protection of Al/Mg Compounds by Simultaneous Plasma Electrolytic Oxidation
Corrosion Protection of Al/Mg Compounds by Simultaneous Plasma Electrolytic Oxidation Open
The application of Al/Mg compound materials for lightweight structures is limited by their corrosion susceptibility. The primary corrosion attack takes place at the Mg component. This may partly be caused by galvanic corrosion and partly b…