Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives: Energy, Aerospace, and Industrial Applications

Part 1. Superalloy 718 & Derivatives: Keynotes.- Age Hardenable Nickel-based Alloy Developments and Research for New High Temperature Power Cycles.- Superalloy 718, Evolution of the Alloy from High to Low Temperature Application.- Part 2. Alternative Processes.- Alloy 718: Laser Powder Bed Additive Manufacturing for Turbine Applications.- Progress in the Processing and Understanding of Alloy 718 Fabricated through Powder Bed Additive Manufacturing Processes.- Impact of Powder Variability on the Microstructure and Mechanical Behavior of Selective Laser Melted Alloy 718.- The effect of location and post-treatment on the microstructure of EBM-built Alloy 718.- Part 3. Applications.- ICME Based Additive Manufacturing of Alloy 230 Components.- Simulation of Co-Precipitation Kinetics in Superalloy 718.- Part 4. Corrosion.- Performance of Wrought Superalloys in Extreme Environments.- Corrosion and Carburization Behavior of Ni-Cr-Mo-Nb Superalloys in a High Temperature Supercritical-CO2 Environment.- High Performance New Ni-base Alloy AF955 (UNS N09955) for Oil and Gas Industry.- Hydrogen Influence on Crack Propagation and Stress-Strain Evolution of Alloy 718.- Isothermal Oxidation Behavior of EBM-additive Manufactured Alloy 718.- Part 5. Melting and Casting.- A Computational Model of the Electroslag Remelting (ESR) Process and Its Application to an Industrial Process for a Large Diameter Superalloy Ingot.- Effect of Homogenization Temperature on Microstructures of IN718C Alloy with Different Solidification Cooling Rates.- Grain Refinement of IN718 Superalloy under the Modified Thermally-controlled Solidification Process.- Melt Parameters and Resulting Characteristics in Laboratory-Scale Electroslag Remelting.- Production of Nitride-free 718 by the VIM-VAR Processing Route.- Part 6. Microstructure and Behavior.- Characterization and Modeling of Deformation Mechanisms in Ni-base Superalloy 718.- Characterization of Nano-Scale' Phase in HPT-Disk P/M Superalloys HGN300 by Small-Angle X-ray Scattering.- Development of an Automated Property Simulation Tool for Direct Aged Alloy 718 Engine Disk Forgings.- Microstructure Dependence of Dynamic Impact Behaviour of ATI 718Plus Superalloy.- 3D Stochastic Modelling of Microstructure Evolution during Solidification of Alloy 718.- Analysis of microporosity-dependent fatigue crack behavior in Alloy 718 by using synchronic radiation X-ray CT and FEM.- Characterisation of the Initial Stages of Dynamic Recrystallisation in ATI 718Plus®.- Compositional Design and Mechanical Properties of INCONEL® Alloy 725 Variants.- Constrained Lattice Misfit Measurement in Bulk Inconel 718 Using High Resolution Neutron Diffraction.- Dependence of Creep Strength on Cooling Rate after Subsolvus Solution Treatment in Wrought Alloy 718.- Depletion Induced Grain Growth in Alloy 751 after Long Term Aging and Its Effect on Fatigue.- Effect of Grain-Boundary Fe2Nb Phase on Stress-assisted Grain-Boundary Oxidation Behavior in Novel Austenitic Heat-resistant Steel of Fe-20Cr-35Ni-2.5Nb.- Effect of Heat Treatment on Microstructure and Mechanical Properties of VDM Alloy 780 Premium.- Effect of Homogenization on Creep of Additive Manufactured Inconel 718.- Effects of HIP and Heat Treatment on Microstructure, Fracture Toughness and Fatigue Crack Growth Behavior of SLM-Based IN718.- Effects of Phosphorus Addition on Creep Properties of Wrought Gamma-Prime Strengthened Ni-based Superalloy.- Enhanced Strength of Inconel 718 by High Rate Severe Plastic Deformation.- Evaluation of the Stress-Strain State in Alloy 718 after Hydrogen Charging.- Experimental TTT Diagram of HAYNES 282 Alloy.- Influence of Residual Stresses on Aging Precipitation Behavior of Alloy 718.- Machine learning to optimize additive manufacturing parameters for laser powder bed fusion of Inconel 718.- Mechanical Performance of Various INCONEL® 740/740H Alloy Compositions for Use in A-USC Castings.- Microstructural Characterization and Mechanical Properties of Rene... Mehr