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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Microstructural Template Consisting of a Face-Centered Cubic Matrix with Ordered Precipitates: Microstructural Evolution and Properties
Presentation Title The Quantitative Model for Heat Treatment Parameters and Gamma Prime Variations on Nickel-base Superalloys
Author(s) Nishan M. Senanayake, Jennifer L.W. Carter
On-Site Speaker (Planned) Jennifer L.W. Carter
Abstract Scope Accurate measurements of the microstructure produced from different processing paths are foundational to understanding processing|structure|performance (P|S|P) of Ni-base superalloys systems.Time-dependent process models must be calibrated from statistically significant experimental measures of microstructure and performance from specific alloys; requiring high-throughput methods of analysis.In this work, we will demonstrate a predictive P|S|P model to design processing paths for desired microstructure and performance of nickel-based alloy ME3.This physics-based statistical model enables both predictive capabilities (i.e., performance from processing) but also the design of a microstructure from the measured performanceThis data-driven approach relies on training data from high-throughput measurements of γ′ distributions and indentation strength ME3 samples that underwent various heat treatment parameters.A k-fold cross-validation approach, coupled with R-squared statistics was used to validate the P|S|P model.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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Coarsening and Creep Behavior of Co-Ni-Al-W-Ti-Ta-B Superalloy with High γ′ Solvus Temperature
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High Temperature Microstructural Stability Mechanisms Revealed by Microscopy in Al-Cu-Mn-Zr Alloys
Impact of L12-phase Dispersoids on the Hardening Behavior of Multi-phase Strengthened Aluminum Alloys
In-situ Transmission Electron Microscopy Investigation of Continuous Precipitation of Ni3Mo in a Ni-25Mo-8Cr Alloy Formed by Direct Current Magnetron Sputtering
Mapping the Mechanical Property Space of Al-Cu-Mn-Zr (ACMZ) Cast Aluminum Alloys with Superior Microstructural Stability
Nanoscale Precipitation-strengthened Al-Er-Sc-Zr-(V,Nb,Ta) Alloys
Novel fcc-Cu Matrix Based High Temperature Alloys Strengthened by Ordered Precipitates
Novel Microstructural Template Based on Ordered Intermetallic Precipitation in FCC Based Complex Concentrated Alloys
Ordered Precipitates and Mechanical Properties of Nickel-base Superalloys Studied by Analytical Scanning and Transmission Electron Microscopy
Precipitation and Deformation Mechanisms of γ’/γ” Co-precipitates in Alloy 718
Sc-free Nanoprecipitate-strengthened Aluminum Alloys with Exceptional Creep Resistance
Stress Induced Sensitization in HAZ of 304 LN Austenitic Stainless Steel
The Quantitative Model for Heat Treatment Parameters and Gamma Prime Variations on Nickel-base Superalloys

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