High-speed synchrotron X-ray imaging of melt pool dynamics during ultrasonic melt processing of Al6061

Autor: Lovejoy Mutswatiwa, Lauren Katch, Nathan J Kizer, Judith A Todd, Tao Sun, Samuel J Clark, Kamel Fezzaa, Jordan S Lum, David M Stobbe, Griffin Jones, Kenneth C Meinert, Andrea P Argüelles, Christopher M Kube

Publikováno v: Communications Materials, Vol 5, Iss 1, Pp 1-11 (2024)

Abstract Ultrasonic processing of solidifying metals in additive manufacturing can provide grain refinement and advantageous mechanical properties. However, the specific physical mechanisms of microstructural refinement relevant to laser-based additi

Externí odkaz: https://doaj.org/article/4c7fcdf0634c45ecbae9be4d0f5d2f1d

New data on γ→p→→ηp with polarized photons and protons and their implications for N⁎ → Nη decays

Autor: J. Müller, J. Hartmann, M. Grüner, F. Afzal, A.V. Anisovich, B. Bantes, D. Bayadilov, R. Beck, M. Becker, Y. Beloglazov, A. Berlin, M. Bichow, S. Böse, K.-T. Brinkmann, T. Challand, V. Crede, F. Dietz, M. Dieterle, P. Drexler, H. Dutz, H. Eberhardt, D. Elsner, R. Ewald, K. Fornet-Ponse, S. Friedrich, F. Frommberger, C. Funke, M. Gottschall, A. Gridnev, S. Goertz, E. Gutz, C. Hammann, V. Hannen, J. Hannappel, J. Herick, W. Hillert, P. Hoffmeister, C. Honisch, O. Jahn, T. Jude, I. Jaegle, A. Käser, D. Kaiser, H. Kalinowsky, F. Kalischewski, S. Kammer, I. Keshelashvili, P. Klassen, V. Kleber, F. Klein, E. Klempt, K. Koop, B. Krusche, M. Kube, M. Lang, I. Lopatin, Y. Maghrbi, P. Mahlberg, K. Makonyi, F. Messi, V. Metag, W. Meyer, J. Müllers, M. Nanova, V. Nikonov, D. Novinski, R. Novotny, D. Piontek, G. Reicherz, C. Rosenbaum, T. Rostomyan, B. Roth, A. Sarantsev, C. Schmidt, H. Schmieden, R. Schmitz, T. Seifen, V. Sokhoyan, A. Thiel, U. Thoma, M. Urban, H. van Pee, D. Walther, C. Wendel, U. Wiedner, A. Wilson, A. Winnebeck, L. Witthauer

Publikováno v: Physics Letters B, Vol 803, Iss , Pp - (2020)

The polarization observables T,E,P,H, and G in photoproduction of η mesons off protons are measured for photon energies from threshold to W=2400 MeV (T), 2280 MeV (E), 1620 MeV (P,H), or 1820 MeV (G), covering nearly the full solid angle. The data a

Externí odkaz: https://doaj.org/article/4c2c84f1562d41b8b55fc3368053933f

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On the Incompressible Behavior in Weakly Nonlinear Elasticity

Autor: Christopher M. Kube

Publikováno v: Journal of Elasticity. 148:129-140

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::608ca88f9ecbabbe7acb614346265bc0
https://doi.org/10.1007/s10659-022-09886-4

In situ characterization of laser-generated melt pools using synchronized ultrasound and high-speed X-ray imaging

Autor: Wei Yi Yeoh, Tao Sun, Niranjan D. Parab, Christopher M. Kube, Anthony D. Rollett, Jared Gillespie, Bo Lan, Cang Zhao

Publikováno v: The Journal of the Acoustical Society of America. 150:2409-2420

Metal additive manufacturing is a fabrication method that forms a part by fusing layers of powder to one another. An energy source, such as a laser, is commonly used to heat the metal powder sufficiently to cause a molten pool to form, which is known

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9935131be2eb80c10f8a8204bb0e8b51
https://doi.org/10.1121/10.0006386