Harald Helmer

Sonderforschungsbereich/Transregio 103 Vom Atom zur Turbinenschaufel - wissenschaftliche Grundlagen für eine neue Generation einkristalliner Superlegierungen Zentralinstitut für Neue Materialien und Prozesstechnik Technische Fakultät

Simulation of grain structure evolution during powder bed based additive manufacturing (2017) Rai A, Helmer H, Körner C Journal article, Original article Development of a low-density rhenium-free single crystal nickel-based superalloy by application of numerical multi-criteria optimization using thermodynamic calculations (2016) Rettig R, Matuszewski K, Müller A, Helmer H, Ritter N, Singer R Conference contribution, Conference Contribution Additive Fertigung durch Selektives Elektronenstrahlschmelzen der Nickelbasis Superlegierung IN718: Prozessfenster, Mikrostruktur und mechanische Eigenschaften (2016) Helmer H Thesis Improved creep strength of nickel-base superalloys by optimized γ/γ′ partitioning behavior of solid solution strengthening elements (2016) Pröbstle M, Neumeier S, Feldner P, Rettig R, Helmer H, Singer R, Göken M Journal article, Original article Erratum to: ‘Grain structure evolution in Inconel 718 during selective electron beam melting’ (Materials Science & Engineering A (2016) 668 (180–187 (S0921509316305536) (10.1016/j.msea.2016.05.046)) (2016) Helmer H, Bauereiß A, Singer R, Körner C Journal article, Erratum Grain structure evolution in Inconel 718 during selective electron beam melting (2016) Helmer H, Bauereiß A, Singer R, Körner C Journal article, Original article Single-crystal nickel-based superalloys developed by numerical multi-criteria optimization techniques: Design based on thermodynamic calculations and experimental validation (2015) Rettig R, Ritter N, Helmer H, Neumeier S, Singer R Journal article, Original article Additive manufacturing of nickel-based superalloy Inconel 718 by selective electron beam melting: Processing window and microstructure (2014) Helmer H, Körner C, Singer R Journal article, Original article Tailoring the grain structure of IN718 during selective electron beam melting (2014) Körner C, Helmer H, Bauereiß A, Singer R Conference contribution, Conference Contribution A Frequency Selective Surface for Harmonic Suppression in THz-Multipliers (2005) Biber S, Günther O, Bozzi M, Perregrini L, Fischer B, Hofmann A, Jepsen PU, et al. Conference contribution