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

The Minerals, Metals & Materials Society (TMS) is a member-driven international professional society dedicated to fostering the exchange of learning and ideas across the entire range of materials science and engineering, from minerals processing and primary metals production, to basic research and the advanced applications of materials. Included among its nearly 13,000 professional and student members are metallurgical and materials engineers, scientists, researchers, educators, and administrators from more than 70 countries on six continents.

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 o