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1 results

  • 9 - Case Studies on Superalloy Design

  • Yong Du, Central South University, China, Rainer Schmid-Fetzer, Clausthal University of Technology, Germany, Jincheng Wang, Northwestern Polytechnical University, China, Shuhong Liu, Central South University, China, Jianchuan Wang, Central South University, China, Zhanpeng Jin, Central South University, China
  • Book:
    Computational Design of Engineering Materials
    Published online:
    29 June 2023
    Print publication:
    29 June 2023, pp 323-341

  • Summary

    Chapter 9 focuses on superalloys operating at high temperature where high strength as well as creep and corrosion resistance are demanded. We take Ni-based single-crystal superalloys and Ni–Fe-based superalloys for advanced ultrasupercritical (A-USC) power plants as examples to demonstrate how alloy design is accomplished in these multicomponent alloy systems. The first case study introduces the design procedure of Ni-based single-crystal superalloy by using a multicriterion constrained multistart optimization algorithm. In the second case study, the design procedure of an Ni–Fe-based superalloy with the artificial neural network (ANN) model combined with a genetic algorithm (GA) based on an experimental dataset is presented.