JPS60149701A - 磁気記録用還元鉄粉の安定化方法 - Google Patents

磁気記録用還元鉄粉の安定化方法

Info

Publication number
JPS60149701A
JPS60149701A JP59003579A JP357984A JPS60149701A JP S60149701 A JPS60149701 A JP S60149701A JP 59003579 A JP59003579 A JP 59003579A JP 357984 A JP357984 A JP 357984A JP S60149701 A JPS60149701 A JP S60149701A
Authority
JP
Japan
Prior art keywords
iron powder
reduced iron
magnetic recording
oxygen
partial pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP59003579A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05441B2 (enExample
Inventor
Toshinori Ishibashi
石橋　俊則
Kiyotake Morita
森田　潔武
Masanobu Hiramatsu
平松　雅伸
Koji Mizuguchi
水口　浩次
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP59003579A priority Critical patent/JPS60149701A/ja
Publication of JPS60149701A publication Critical patent/JPS60149701A/ja
Publication of JPH05441B2 publication Critical patent/JPH05441B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
JP59003579A 1984-01-13 1984-01-13 磁気記録用還元鉄粉の安定化方法 Granted JPS60149701A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59003579A JPS60149701A (ja) 1984-01-13 1984-01-13 磁気記録用還元鉄粉の安定化方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59003579A JPS60149701A (ja) 1984-01-13 1984-01-13 磁気記録用還元鉄粉の安定化方法

Publications (2)

Publication Number Publication Date
JPS60149701A true JPS60149701A (ja) 1985-08-07
JPH05441B2 JPH05441B2 (enExample) 1993-01-06

Family

ID=11561359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59003579A Granted JPS60149701A (ja) 1984-01-13 1984-01-13 磁気記録用還元鉄粉の安定化方法

Country Status (1)

Country Link
JP (1) JPS60149701A (enExample)

Also Published As

Publication number Publication date
JPH05441B2 (enExample) 1993-01-06

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