Structure and properties of κ-carbides in duplex lightweight steels

Lu, W. J.; Zhang, X. F. and Qin, R. S. (2015). Structure and properties of κ-carbides in duplex lightweight steels. Ironmaking & Steelmaking, 42(8) pp. 626–631.

DOI: https://doi.org/10.1179/1743281215Y.0000000007

Abstract

κ-carbide in lightweight steel is studied. Its thermal stability, crystal morphology, orientation relationship, degree of lattice misfit and mechanical properties are measured experimentally. The mechanisms for the microstructural evolution of κ-carbide are considered based on the crystal structure, lattice misfit, element diffusivity, and solute partition. The hard γ/κ grain and ductile α+κ grain provide an opportunity to develop the lightweight steels with desirable combination of mechanical properties.

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• Item ORO ID
• 42623
• Item Type
• Journal Item
• ISSN
• 1743-2812
• Project Funding Details

• Funded Project Name	Project ID	Funding Body
  Not Set	Not Set	TATA Steel
  TRANSFER IN: A Novel Electropulse Based Clean Steel Green Processing Method	EP/J011460/1	EPSRC (Engineering and Physical Sciences Research Council)
  Not Set	Not Set	Royal Academy of Engineering

• Keywords
• lightweight steel; κ-Carbide; thermal stability; lattice misfit; morphology
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Copyright Holders
• © 2015 Institute of Materials, Minerals and Mining. Published by Maney on behalf of the Institute
• Depositing User
• Rongshan Qin