Three-dimensional characterization ahd modeling of porosity in PM steels

Nikhilesh Chawla, Jason J. Williams, Xin Deng, Casey Mcclimon, Luke Hunter, S. H. Lau

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

Visualization of porosity in 3D is critical to a thorough understanding of the microstructure and properties of PM steels. Here we describe two techniques that can be used to visualize porosity in 3D: serial sectioning and X-ray tomography. Both techniques can be used to visualize porosity, as well as to quantify the pore fraction and degree of pore interconnectivity. The use of image-based finite element simulations, using 2D images of the microstructure, is also described. This is an invaluable tool in correlating the actual pore structure with the mechanical properties of the PM steel.

Original languageEnglish (US)
Pages (from-to)19-27
Number of pages9
JournalInternational Journal of Powder Metallurgy (Princeton, New Jersey)
Volume45
Issue number2
StatePublished - Mar 1 2009

ASJC Scopus subject areas

  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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