Paper Title:
Ultra High Carbon Steels Obtained by Powder Metallurgy
  Abstract

The objective of the present work is to study the manufacturing process of steels with high carbon content (1.5–2.1wt%) obtained by powder metallurgy. The reference material was the Damascus steel, which was employed to manufacture swords named after it and has been widely known due to its very good mechanical properties. The main reasons of the success of this product are: the high carbon content of the initial steel and the thermomechanical treatment (forge and quenching) that ancient iron forgers kept secretly during centuries. Different carbon contents (2 to3 wt%) were added to the same Fe powder matrix (ASC 300), and compacted and sintered steels are heat laminated (750°C) with a reduction of 20%. For 2% carbon content, the result is a steel with yield strength of 450 MPa, Young’s Modulus of 14.3 GPa and hardness of 109 HV(30).

  Info
Periodical
Materials Science Forum (Volumes 530-531)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
328-333
DOI
10.4028/www.scientific.net/MSF.530-531.328
Citation
M.A. Martinez, J. Abenojar, J.M. Mota, R. Calabrés, "Ultra High Carbon Steels Obtained by Powder Metallurgy", Materials Science Forum, Vols. 530-531, pp. 328-333, 2006
Online since
November 2006
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Price
$35.00
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