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4篇 您的检索式:作者名="Mathias Goken"
    题名 作者 年代 出处 被引量
1Enhanced strength and ductility in ultrafine-grained aluminium produced by accumulative roll bonding显示文摘 May Johannes Goken Mathias 2004Advanced Engineering Materials2004,6,4:1
2Influence of Lattice Misfit on the Internal Stress and Strain States Before and After Creep Investigated in Nickel-base Superalloys Containing Rhenium and Ruthenium显示文摘Florian Pyczak Steffen Neumeier Mathias Goken 2006Materials Science and Engineering: A2006,,:1
3Optimization of the heat treatment of additively manufactured Ni-base superalloy IN718显示文摘Additive manufacturing(AM) of Ni-base superalloy components can lead to a significant reduction of weight in aerospace applications. AM of IN718 by selective laser melting results in a very fine dendritic microstructure with a high dislocation density due to the fast solidification process. The complex phase composition of this alloy, with three different types of precipitates and high residual stresses, necessitates adjustment of the conventional heat treatment for AM parts. To find an optimized heat treatment, the microstructures and mechanical properties of differently solution heat-treated samples were investigated by transmission and scanning electron microscopy, including electron backscatter diffraction, and compression tests. After a solution heat treatment(SHT), the Nb-rich Laves phase dissolves and the dislocation density is reduced, which eliminates the dendritic substructure. SHT at 930 or 954°C leads to the precipitation of the δ-phase, which reduces the volume fraction of the strengthening γ′-and γ′′-phases formed during the subsequent two stage aging treatment. With a higher SHT temperature of 1000°C, where no δ-phase is precipitated, higher γ′ and γ′′ volume fractions are achieved, which results in the optimum strength of all of the solution heat treated conditions.Benedikt Diepold Nora Vorlaufer Steffen Neumeier Thomas Gartner Mathias Goken 2020International Journal of Minerals,Metallurgy and Materials2020,27,5:1
4Enhanced Strength and Ductility in Ultrafine - Grained Aluminium Produced by Accumulative Roll Bonding显示文摘HEINZ WERNER HOPPEL JOHANNES MAY MATHIAS GOKEN 2004Advanced Engineering Materials2004,6,4:1
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