Searched for: subject%3A%22APT%22
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Oñoro, M. (author), de Castro, V. (author), Leguey, T. (author), Pöpperlová, J. (author), Huizenga, R.M. (author), Auger, M. A. (author)
An oxide dispersion strengthened (ODS) steel with nominal composition Fe–14Cr–2W–0.4Ti–0.3Y<sub>2</sub>O<sub>3</sub> (wt%) has been manufactured by mechanical alloying of pre-alloyed powders with nanosized Y<sub>2</sub>O<sub>3</sub>, compacted by hot isostatic pressing and hot cross rolled. In order to evaluate the long-term thermal...
journal article 2024
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Lehner, B. (author), Benz, D. (author), Moshkalev, Stanislav A. (author), Meyer, Anne S. (author), Cotta, Monica A. (author), Janissen, R. (author)
Graphene oxide (GO) has immense potential for widespread use in diverse in vitro and in vivo biomedical applications owing to its thermal and chemical resistance, excellent electrical properties and solubility, and high surface-to-volume ratio. However, development of GO-based biological nanocomposites and biosensors has been hampered by its...
journal article 2021
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Lu, Guoyang (author), Wang, H. (author), Törzs, Tom (author), Liu, Pengfei (author), Zhang, Yuqing (author), Wang, Dawei (author), Oeser, Markus (author), Grabe, Jürgen (author)
Permeable pavements have been widely used as an effective means to improve hydrological characteristics and the ecology of the urban environment. This study aims to investigate the response of fully permeable pavement (FPP) subjected to dynamic loading under dry and saturated conditions. A full-scale test track topped with polyurethane bound...
journal article 2020
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Kumar, A. (author), Saxena, A. K. (author), Kirchlechner, C. (author), Herbig, M. (author), Brinkmann, S. (author), Petrov, R.H. (author), Sietsma, J. (author)
Failure in engineering materials like steels is strongly affected by in-service deleterious alterations in their microstructure. White Etching Layers (WELs) are an example of such in-service alterations in the pearlitic microstructure at the rail surface. Cracks initiate in the rails due to delamination and fracture of these layers and...
journal article 2019
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Kumar, A. (author), Agarwal, G. (author), Petrov, R.H. (author), Goto, S. (author), Sietsma, J. (author), Herbig, M. (author)
The formation of White (WEL) and Brown Etching Layers (BEL) on rail raceways during service causes the initiation of microcracks which finally leads to failure. Detailed characterization of the WEL and the BEL in a pearlitic rail steel is carried out from micrometer to atomic scale to understand their microstructural evolution. A...
journal article 2019
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Griffioen, H.J. (author)
The internet is rapidly growing, and with it grows the number of malicious actors. For many attacks, the attacker first scans the internet to detect vulnerable devices. In order to evade detection, the attacker distributes the scanning over a large number of machines. Because attackers are distributing this scanning and there is no way to find...
master thesis 2018
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Kim Lee, B.N. (author), Sietsma, J. (author), Santofimia, Maria Jesus (author)
Understanding carbon redistribution in steels is crucial in developing advanced high strength steels. For instance, Quenching &amp; Partitioning (Q&amp;P) processes rely on the partitioning of carbon from martensite into austenite, where at the end of the heat treatment the carbon-enriched austenite shows higher stability at room temperature....
journal article 2017
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Öhlund, C.E.I.C. (author)
The research presented in this thesis aims to deepen our understanding of the effect of micro-alloying on the microstructure and mechanical property evolution during tempering of martensitic steel for fasteners. The ongoing trend of engine down-sizing has led to the need for stronger and more temperature resistant fasteners than currently...
doctoral thesis 2015
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