Sintered properties of 409L powder compacts influenced by metal powder additives

Authors

  • Ornmanee Coovattanachai Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Thanyaporn Yodkaew Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Monnapas Morakotjinda Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Nattaya Tosangthum Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Rungthip Krataitong Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Anan Daraphan Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Bhanu Vetayanugul Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center
  • Ruangdaj Tongsri Powder Metallurgy Research and Development Unit (PM_RDU) National Metal and Materials Technology Center

Abstract

Sintering of powder compacts, prepared by admixing of 409L powder with 2-6 wt.% of copper and nickel powders was investigated. It was observed thatthe strength of the 409L-Cu specimens increased with increasing Cu content. In contrast, sintered densityand elongation decreased with increasing Cu content due to swelling effect. When 2 wt.% of Ni powders were added, sintered density and strengths were maximized. When Ni contents higher than 2 wt.% , the decrease of sintered density and strengths were attributed to the number of pores left by the original sites of Ni powder particles.

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References

German, R.M. 1998. Powder Metallurgy of Iron and Steel.New York : John Wiley & Sons.

Engstrom, U. 2003. Copper in P/M Steels. Int. J. Powder Metall. 39(4) : 29-39.

Coovattanachai, O. 2002. Infiltration and Liquid Phase Sintering of Stainless Steel Powder Type 409L with Copper. Master Thesis, Chulalongkorn University, Bangkok, Thailand.

Coovattanachai, O., Tosangthum, N. and Tongsri, R. 2004. Densification Behavior of 409L+Cu Powders Compacts. In : Advances in Powder Metallurgy and Particulate Materials. Princeton. N.J. : Metal Powder Industries Federation. (7-137) - (7-147).

Hoganas, A.B. 1997. Hoganas Handbook for Sintered Components, Handbook 3 : 9.15- 9.30.

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Published

2017-04-23

How to Cite

[1]
O. . Coovattanachai, “Sintered properties of 409L powder compacts influenced by metal powder additives”, J Met Mater Miner, vol. 18, no. 1, Apr. 2017.

Issue

Vol. 18 No. 1 (2008)

Section

Original Research Articles

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