Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction

Tomoshige Ono, Yukiko Ozaki, Satoshi Uenosono

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A new segregation-free iron mixed powder containing an excellent lubricant LEX has been developed. LEX is highly effective for reducing the ejection force and consequently permitting easy extraction of a green compact from a die cavity after compaction in comparison with conventional lubricants such as zinc stearate (ZnSt). For example, the binder-treated mixed Fe-2.0mass%Cu-0. 8mass%graphite powder mixed with 0.4mass% LEX yielded 30% lower ejection force than that of ZnSt at a compaction pressure of 588MPa. The new lubricant LEX reduces the sticking of compact to a die wall, therefore, it makes possible to improve the production yield of large complex shaped compacts. The mechanism of reducing ejection force above observed after the compaction of the developed segregation-free powder was probably due to the die lubrication effect by LEX extruded to the die wall from the inside of a green compact during compaction.

Original languageEnglish
Title of host publicationAdvances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005
Pages1-6
Number of pages6
Publication statusPublished - Dec 1 2005
Event2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005 - Montreal, QC, Canada
Duration: Jun 19 2005Jun 23 2005

Publication series

NameAdvances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005

Other

Other2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005
CountryCanada
CityMontreal, QC
Period6/19/056/23/05

Fingerprint

lubricants
ejection
Powders
Lubricants
Compaction
Iron
iron
stearates
Zinc
zinc
Graphite
lubrication
Lubrication
Binders
graphite
cavities
stearic acid

All Science Journal Classification (ASJC) codes

  • Metals and Alloys
  • Surfaces and Interfaces

Cite this

Ono, T., Ozaki, Y., & Uenosono, S. (2005). Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction. In Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005 (pp. 1-6). (Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005).

Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction. / Ono, Tomoshige; Ozaki, Yukiko; Uenosono, Satoshi.

Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005. 2005. p. 1-6 (Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ono, T, Ozaki, Y & Uenosono, S 2005, Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction. in Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005. Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, pp. 1-6, 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, Montreal, QC, Canada, 6/19/05.
Ono T, Ozaki Y, Uenosono S. Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction. In Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005. 2005. p. 1-6. (Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005).
Ono, Tomoshige ; Ozaki, Yukiko ; Uenosono, Satoshi. / Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction. Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005. 2005. pp. 1-6 (Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005).
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