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    Article

    Prevalence of Heteroepitaxial Recrystallization in the Low Solvus High Refractory (LSHR) γ–γ′ Superalloy

    Heteroepitaxial recrystallization (HeRX) is a recently discovered recrystallization mechanism that can occur during thermomechanical processing of Ni-base superalloys. It is important to understand this mechan...

    Y. Lee, E. Hershkovitz, H. Kim, K. N. Wertz in Metallography, Microstructure, and Analysis (2024)

  2. Article

    Correction to: Non-linear Transfer Functions for Accurately Estimating 3D Particle Size, Distribution, and Expected Error from 2D Cross Sections of a Lognormal Distribution of Spherical Particles

    A. R. C. Gerlt, A. K. Criner, S. L. Semiatin in Metallurgical and Materials Transactions A (2021)

  3. Article

    The Application of Differential Scanning Calorimetry to Investigate Precipitation Behavior in Nickel-Base Superalloys Under Continuous Cooling and Heating Conditions

    A suite of experimental tools and fast-acting, numerical-simulation techniques was used to quantify the precipitation behavior of three nickel-base superalloys: IN-100, LSHR, and 718. Experimental methods comp...

    S. L. Semiatin, N. C. Levkulich, R. Larsen in Metallurgical and Materials Transactions A (2021)

  4. No Access

    Article

    Non-linear Transfer Functions for Accurately Estimating 3D Particle Size, Distribution, and Expected Error from 2D Cross Sections of a Lognormal Distribution of Spherical Particles

    Accurately estimating the mean size of features within an opaque material using only 2D observations is a common requirement in the materials and medical communities. Attempting to employ numerical methods to ...

    A. R. C. Gerlt, A. K. Criner, S. L. Semiatin in Metallurgical and Materials Transactions A (2021)

  5. No Access

    Chapter and Conference Paper

    Enhancing the Creep Strength of Next-Generation Disk Superalloys via Local Phase Transformation Strengthening

    A new disk superalloy has been developed by NASA to improve high-temperature creep performance utilizing the recently discovered local phase transformation strengthening mechanism. Creep tests were performed a...

    T. M. Smith, T. P. Gabb, K. N. Wertz, J. Stuckner, L. J. Evans in Superalloys 2020 (2020)