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Safyari, Mahdieh (author), Khossossi, N. (author), Meisel, Thomas (author), Dey, P. (author), Prohaska, Thomas (author), Moshtaghi, Masoud (author)An attractive approach to mitigate hydrogen embrittlement (HE) is to use nano-sized particles to immobilize hydrogen. However, the atomic scale relationship between different particle-matrix characteristics in aluminum alloys and the susceptibility to HE is unknown. In this study, the effects of interactions between various interfaces and...journal article 2023
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Pujiyulianto, E. (author), Rajagukguk, K. (author), Arifvianto, B. (author), Katgerman, L. (author), Paundra, F. (author), Yudistira, H. T. (author), Nurullah, F. P. (author), Muhyi, A. (author), Arif, M. F. (author)The paper aims to evaluate the effect of chemical composition on the Hot Cracking Susceptibility (HCS) using mechanical and non-mechanical hot cracking criteria during solidification. The criteria were SKK as a mechanical criterion. Feurer, Clyne Davis, and Katgerman as non-mechanical criteria. The criteria were implemented at various...journal article 2023
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Hou, L. G. (author), Yu, H. (author), Wang, Y. W. (author), You, L. (author), He, Z. B. (author), Wu, C. M. (author), Eskin, D. G. (author), Katgerman, L. (author), Zhuang, L. Z. (author), Zhang, J. S. (author)The retrogression and re-aging (RRA) processes, aimed mainly at tailoring intergranular precipitates, could significantly improve the corrosion resistance (i.e., stress corrosion cracking resistance) without considerably decreasing the strength, which signifies that an efficient control of the size, distribution and evolution of intergranular...journal article 2022
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Wang, Yawen (author), Hou, Longgang (author), Su, Hui (author), Tian, Qingkun (author), Yu, Kangcai (author), Eskin, Dmitry (author), Katgerman, L. (author), Zhuang, Linzhong (author)The alloy design and homogenization processes are intimately associated with the microstructure, phase composition and performance for Al-Zn-Mg-Cu alloys. The microstructures and phase composition of a series of Al-Zn-Mg-Cu alloys before and after the homogenization treatments were investigated along with thermodynamic calculation to...journal article 2022
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Eivani, A. R. (author), Vafaeenezhad, H. (author), Nikan, O. (author), Zhou, J. (author)This research was aimed to assess the potential of a radial basis function (RBF) approximation method against the dislocation substructure-based constitutive model in predicting high-temperature deformation behavior of the AA7020 aluminum alloy. Hot compression tests were performed over a range of strain rate of 0.1–100 s<sup>−1</sup> and a...journal article 2019
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Dieleman, Christian D. (author), Denissen, P.J. (author), Garcia, Santiago J. (author)In this work, a new concept is introduced for active corrosion protection at damaged sites aiming at overcoming existing limitations of currently proposed strategies based on dispersed inhibitor-loaded nanocontainers in coatings. The underlying principle is based on the formation of low-density and/or humidity responsive interconnected paths...journal article 2018
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Zhang, X. (author)Multiscale computational materials science has reached a stage where many complicated phenomena or properties that are of great importance to manufacturing can be predicted or explained. The word “ab initio study” becomes commonplace as the development of density functional theory has enabled the predictions to be independent of experimental...doctoral thesis 2017
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Bai, Sheng Wen (author), Fang, Gang (author), Zhou, J. (author)The research was aimed to determine the effects of extrusion process condition on the weld seam quality of the aluminum alloy AA6082 by using a novel physical simulation method. A weld seam between two bars was formed under hydrostatic pressure in a specially designed die setup to simulate the longitudinal weld seam formation during extrusion...journal article 2017
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Norouzi Afshar, F. (author), Tichelaar, F.D. (author), Glenn, A. M. (author), Taheri, P. (author), Sababi, M. (author), Terryn, H.A. (author), Mol, J.M.C. (author)This work studies the influence of the microstructure on the corrosion mechanism and susceptibility of as-brazed aluminum sheet. Various microstructures are obtained using postbrazing heat treatments developed to enhance the corrosion resistance of an AA4xxx/AA3xxx brazing sheet. The heat treatment results in a decrease of the matrix Si...journal article 2017
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Samaee, M. (author), Najafi, S. (author), Eivani, A. R. (author), Jafarian, H. R. (author), Zhou, J. (author)In this research, grain refinement through severe plastic deformation (SPD) in combination with a thermal treatment to create a fine initial grain structure with a high degree of supersaturation was taken as a viable approach to achieving simultaneous increases in the hardness, strength and ductility of the aluminum alloy AA6063 during...journal article 2016
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Zhang, X. (author), Sluiter, M.H.F. (author)Cluster expansions have proven a very useful tool to model thermodynamics and kinetics of substitutional alloys in metallic, ionic, and even covalently bonded systems. Cluster expansions are usually obtained with the structure inversion method in which the energies, or other relevant property, of a set of structures are used to obtain expansion...journal article 2015
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Zhang, L. (author)The research in ultrasonic processing for metallurgical application shows a promising influence on improving casting properties of aluminium alloys. The principle of ultrasonic processing is introduction of acoustic waves with a frequency higher than 17 kHz into liquid metal. Several promising beneficial effects caused by ultrasonic processing...doctoral thesis 2013
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- Ruiz-Ripoll, M.L. (author), Schut, H. (author), Benedictus, R. (author), Van der Zwaag, S. (author), Alderliesten, R.C. (author) conference paper 2011
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Lalpoor, M. (author), Eskin, D.G. (author), Ruvalcaba, D. (author), Fjaer, H.G. (author), Ten Cate, A. (author), Ontijt, N. (author), Katgerman, L. (author)For almost half a century the catastrophic failure of direct chill (DC) cast high strength aluminum alloys has been challenging the production of sound ingots. To overcome this problem, a criterion is required that can assist the researchers in predicting the critical conditions which facilitate the catastrophic failure of the ingots. This could...journal article 2011
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- Lalpoor, M. (author) doctoral thesis 2010
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- Lalpoor, M. (author), Eskin, D.G. (author), Katgerman, L. (author) conference paper 2010
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- Lalpoor, M. (author), Eskin, D.G. (author), Katgerman, L. (author) conference paper 2010
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Lalpoor, M. (author), Eskin, D.G. (author), Katgerman, L. (author)Non-homogenous cooling rates and solidification conditions during DC-casting of high strength aluminum alloys result in the formation and accumulation of residual thermal stresses with different signs and magnitudes in different locations of the billet. Rapid propagation of microcracks in the presence of thermal stresses can lead to catastrophic...conference paper 2010
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- Lalpoor, M. (author), Eskin, D.G. (author), Katgerman, L. (author) journal article 2010
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- Lalpoor, M. (author), Eskin, D.G. (author), Katgerman, L. (author) conference paper 2010
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