Segregation-free iron powder with improved flowability containing wax lubricant

Satoshi Uenosono, Yukiko Ozaki, Kuniaki Ogura

Research output: Contribution to journalConference articlepeer-review

Abstract

A new segregation-free iron-based powder with wax lubricant, CLEAN MIX (KWAX-B), was developed to improve flowability and suppress adhesion of the lubricant to the inner parts of the tube conveyor during transportation. The flow rate of the newCLEAN MIX (KWAX-B) is lower by 0.5 s/100g than that of the conventional segregation-free iron-based powder with wax lubricant, CLEAN MIX (KWAX-A), and the index of flow blocking is smaller by 62%. Very little lubricant adhered to the inner parts of the screw conveyor during transportation of CLEAN MIX (KWAX-B). On the other hand, lubricant adhered during transportation of the conventional segregation-free iron-based powder with wax lubricant. The powder characteristics, such as compressibility, Rattler value, and ejection force of the newCLEAN MIX (KWAX-B), and the mechanical properties, such as tensile strength, Charpy impact value, and dimensional change of sintered steel products made from the new powder are almost equal to those of the conventional segregation-free iron-based powder with wax lubricant.

Original languageEnglish
Pages (from-to)281-286
Number of pages6
JournalAdvances in Powder Metallurgy and Particulate Materials
Publication statusPublished - Dec 1 2001
Externally publishedYes
EventAdvances in Powder Metallurgy and Particulate Materials - 2001 - New Orleans, LA, United States
Duration: May 13 2001May 17 2001

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Metals and Alloys

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