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Title:
PRODUCTION OF WATER ATOMIZIED IRON POWDER FOR POWDER METALLURGY AND DIMENSIONAL CHANGE CONTROL METHOD AT SINTERING
Document Type and Number:
Japanese Patent JP3201070
Kind Code:
B2
Abstract:

PURPOSE: To produce a sintering product having a dimensional change rate as designed, particularly to establish the control method for producing the sintered product which shows a stabilized high dimensional change rate suitable for sizing work.
CONSTITUTION: By controlling Na content in atomized water in the reducing direction, the water atomized iron powder having a lower Na content is produced, particularly supplying the water atomized iron powder having ≤300ppm Na content.


Inventors:
Yoshioka, Kunihiro
Furuta, Tomoyuki
Arima, Shizuya
Hayami, Takehiko
Sato, Masaaki
Takada, Minoru
Application Number:
JP1993000110716
Publication Date:
August 20, 2001
Filing Date:
May 12, 1993
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
B22F1/00; B22F9/08; (IPC1-7): B22F1/00; B22F9/08
Attorney, Agent or Firm:
植木 久一



 
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