Andreas Drexler
YOU?
Author Swipe
View article: Hydrogen–Dislocation Interactions at Cryogenic Temperatures: Serrated Yielding and Embrittlement Resistance in High-Strength Austenitic Alloys
Hydrogen–Dislocation Interactions at Cryogenic Temperatures: Serrated Yielding and Embrittlement Resistance in High-Strength Austenitic Alloys Open
Comprehensive studies of hydrogen embrittlement in high-strength austenitic alloys under cryogenic conditions are scarce, leaving the combined effect of hydrogen charging and extreme temperatures largely unexplored. Given the demands of cr…
View article: Effect of Tensile Loading and Temperature on the Hydrogen Solubility of Steels at High Gas Pressure
Effect of Tensile Loading and Temperature on the Hydrogen Solubility of Steels at High Gas Pressure Open
The hydrogen solubility in ferritic and martensitic steels is affected by hydrostatic stress, pressure, and temperature. In general, compressive stresses decrease but tensile stresses increase the hydrogen solubility. This important aspect…
View article: Influence of elevated surface temperature on the formability in cold forming of aluminum alloy sheets
Influence of elevated surface temperature on the formability in cold forming of aluminum alloy sheets Open
In recent decades, deep drawing has been widely used in the automotive industry for producing lightweight car body components of 5xxx and 6xxx aluminum alloys. Although sheets of these alloys are usually deep-drawn at room temperature, hea…
View article: Critical verification of the effective diffusion concept
Critical verification of the effective diffusion concept Open
Knowing the hydrogen distribution c(x,t) and local hydrogen concentration gradients grad(c) in ferritic steel components is crucial with respect to hydrogen embrittlement. Basically, hydrogen is absorbed from corrosive or gaseous environme…
View article: Enhanced gaseous hydrogen solubility in ferritic and martensitic steels at low temperatures
Enhanced gaseous hydrogen solubility in ferritic and martensitic steels at low temperatures Open
Metals that are exposed to high pressure hydrogen gas may undergo detrimental failure by embrittlement. Understanding the mechanisms and driving forces of hydrogen absorption on the surface of metals is crucial for avoiding hydrogen embrit…
View article: Resistance of Quench and Partitioned Steels Against Hydrogen Embrittlement
Resistance of Quench and Partitioned Steels Against Hydrogen Embrittlement Open
Multiphase ultra-high strength steels (UHSS) containing retained austenite (RA) appear to be among the most interesting steels for the automotive industry. Developments in the last decades have allowed obtaining a very good combination of …
View article: Viscoplastic Self-Consistent (VPSC) Modeling for Predicting the Deformation Behavior of Commercial EN AW-7075-T651 Aluminum Alloy
Viscoplastic Self-Consistent (VPSC) Modeling for Predicting the Deformation Behavior of Commercial EN AW-7075-T651 Aluminum Alloy Open
Viscoplastic self-consistent (VPSC) modeling was used for investigating the deformation behavior of commercial EN AW-7075-T651 aluminum alloy at room temperature under quasi-static tension and compression (i) parallel, (ii) diagonal and (i…
View article: Influence of Plastic Deformation on the Hydrogen Embrittlement Susceptibility of Dual Phase Steels
Influence of Plastic Deformation on the Hydrogen Embrittlement Susceptibility of Dual Phase Steels Open
The susceptibility of advanced high-strength steels (AHSS) to hydrogen embrittlement (HE) limits the broad utilization of these materials for body-in-white (BIW) components. The considerable decrease of both ductility and toughness due to …
View article: The role of hydrogen diffusion, trapping and desorption in dual phase steels
The role of hydrogen diffusion, trapping and desorption in dual phase steels Open
Hydrogen embrittlement (HE) of advanced high-strength steels is a crucial problem in the automotive industry, which may cause time-delayed failure of car body components. Practical approaches for evaluating the HE risk are often partially …
View article: Addressing H-Material Interaction in Fast Diffusion Materials—A Feasibility Study on a Complex Phase Steel
Addressing H-Material Interaction in Fast Diffusion Materials—A Feasibility Study on a Complex Phase Steel Open
Hydrogen embrittlement (HE) is one of the main limitations in the use of advanced high-strength steels in the automotive industry. To have a better understanding of the interaction between hydrogen (H) and a complex phase steel, an in-situ…
View article: An SEM compatible plasma cell for <i>in situ</i> studies of hydrogen-material interaction
An SEM compatible plasma cell for <i>in situ</i> studies of hydrogen-material interaction Open
An in situ hydrogen (H) plasma charging and in situ observation method was developed to continuously charge materials, while tensile testing them inside a scanning electron microscope (SEM). The present work will introduce and validate the…