Paper Title:
Fabrication and Tensile Properties of Lotus-Type Porous Iron and SUS304L Stainless Steel
  Abstract

Lotus-type porous iron and stainless steel (SUS304L) whose long cylindrical pores are aligned in one direction were fabricated by unidirectional solidification in a pressurized hydrogen or nitrogen gas atmosphere. Pores are formed as a result of precipitation from the supersaturated gases when the liquid metal dissolved with gas atoms is solidified. The ultimate tensile and yield strengths of the porous iron produced in nitrogen atmosphere are about two times higher than in a hydrogen atmosphere. Such superior strength is attributed to solid-solution hardening due to solute nitrogen atoms in iron matrix.

  Info
Periodical
Edited by
Yukichi Umakoshi and Shinji Fujimoto
Pages
337-342
DOI
10.4028/www.scientific.net/MSF.512.337
Citation
S. K. Hyun, T. Ikeda, M. Tane, H. Nakajima, "Fabrication and Tensile Properties of Lotus-Type Porous Iron and SUS304L Stainless Steel", Materials Science Forum, Vol. 512, pp. 337-342, 2006
Online since
April 2006
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