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Meeting Materials Science & Technology 2020
Symposium Computation Assisted Materials Development for Improved Corrosion Resistance
Presentation Title Tailoring the Microstructure of Eutectoid Steels during Annealing for Improved Corrosion Resistance: Insights from Phase-field Simulations
Author(s) Kumar Ankit
On-Site Speaker (Planned) Kumar Ankit
Abstract Scope A key issue in the design of corrosion-resistant eutectoid steels is its pearlitic microstructure where the alternating lamellae of ferrite (anode) and cementite (cathode) phases constitute a galvanic couple resulting in accelerated degradation of structural components. Recent investigations suggest that altering the morphology of pearlitic colonies, in particular, the inter-lamellar spacing and ferrite-cementite interfacial area ratio, through the isothermal annealing process, is an effective means of enhancing corrosion resistance. Therefore, in order to tailor the microstructure, a comprehensive understanding of the operative diffusional mechanisms during processing is warranted. In this talk, I will discuss a CALPHAD-informed phase-field model that can be used to simulate the cooperative and non-cooperative evolution of eutectoid phases in multicomponent steels during the inter-critical and sub-critical annealing processes. Implications of annealing time and temperature on the characteristics of evolving microstructure will be discussed.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Applying Machine Learning to Determine the Corrosion Resistance of Alloys
Assessing High Temperature Durability for Long-term Applications
Development of a Multiscale Corrosion Model for Valve Steels in a Gasoline Engine Environment
High Temperature Oxidation Lifetime Modeling of FeCr and NiCr Foils in Water Vapor
Introductory Comments: Computation Assisted Materials Development for Improved Corrosion Resistance
Machine Learning to Predict Cyclic Oxidation of NiCr-based alloys
Metal-Oxide Bond-energy Models for Bond Energies of Alloy Oxides in Corrosion
Simulation of Dissolution of \Gamma\Prime Precipitates in Ni-base Superalloys during Oxidation
Tailoring the Microstructure of Eutectoid Steels during Annealing for Improved Corrosion Resistance: Insights from Phase-field Simulations

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