JPS5541917A - Production of raw material powder for powder metallurgy - Google Patents

Production of raw material powder for powder metallurgy

Info

Publication number
JPS5541917A
JPS5541917A JP11327478A JP11327478A JPS5541917A JP S5541917 A JPS5541917 A JP S5541917A JP 11327478 A JP11327478 A JP 11327478A JP 11327478 A JP11327478 A JP 11327478A JP S5541917 A JPS5541917 A JP S5541917A
Authority
JP
Japan
Prior art keywords
fine particles
same
powder
decarburize
atmosphere
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
JP11327478A
Other languages
Japanese (ja)
Other versions
JPS6225721B2 (en
Inventor
Yoshinobu Takeda
Atsushi Kuroishi
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP11327478A priority Critical patent/JPS5541917A/en
Publication of JPS5541917A publication Critical patent/JPS5541917A/en
Publication of JPS6225721B2 publication Critical patent/JPS6225721B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To produce the captioned powder of superior powder characteristics economically by roasting grey cast iron machining debris in an oxidative atmosphere then reducing and decarburize the same in a reducing atmosphere, grinding the same through impact action to make oxides and graphite to fine particles and separating away these fine particles.
CONSTITUTION: Grey cast iron machining debris is roasted in an oxidative atmosphere to let oxide films be formed on the surface, thence it is subjected to reduction graphitization in a reducing atmosphere to reduce the iron oxide and at the same time to decarburize the residual carbon and graphitize the same. Next, the slight oxides and graphite remained are ground to fine particles through impact action and the fine particles are passed through a cyclone and are thereby separated away.
COPYRIGHT: (C)1980,JPO&Japio
JP11327478A 1978-09-14 1978-09-14 Production of raw material powder for powder metallurgy Granted JPS5541917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11327478A JPS5541917A (en) 1978-09-14 1978-09-14 Production of raw material powder for powder metallurgy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11327478A JPS5541917A (en) 1978-09-14 1978-09-14 Production of raw material powder for powder metallurgy

Publications (2)

Publication Number Publication Date
JPS5541917A true JPS5541917A (en) 1980-03-25
JPS6225721B2 JPS6225721B2 (en) 1987-06-04

Family

ID=14608012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11327478A Granted JPS5541917A (en) 1978-09-14 1978-09-14 Production of raw material powder for powder metallurgy

Country Status (1)

Country Link
JP (1) JPS5541917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169875A (en) * 1986-01-23 1987-07-27 Toray Ind Inc Ink composition for use in ink jet recording

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368890A (en) * 1966-12-27 1968-02-13 Gen Motors Corp Metal powder from cast iron chips
JPS5120705A (en) * 1974-08-14 1976-02-19 Nippon Steel Corp Kofunno datsutanshodonkangenho
JPS51125614A (en) * 1974-11-28 1976-11-02 Brother Ind Ltd A process for producing a silicon steel material using cast-iron power as a raw material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368890A (en) * 1966-12-27 1968-02-13 Gen Motors Corp Metal powder from cast iron chips
JPS5120705A (en) * 1974-08-14 1976-02-19 Nippon Steel Corp Kofunno datsutanshodonkangenho
JPS51125614A (en) * 1974-11-28 1976-11-02 Brother Ind Ltd A process for producing a silicon steel material using cast-iron power as a raw material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169875A (en) * 1986-01-23 1987-07-27 Toray Ind Inc Ink composition for use in ink jet recording
JPH0433309B2 (en) * 1986-01-23 1992-06-02 Toray Industries

Also Published As

Publication number Publication date
JPS6225721B2 (en) 1987-06-04

Similar Documents

Publication Publication Date Title
GB1471640A (en) Process for recovering lead from the active material of used batteries
JPS5541917A (en) Production of raw material powder for powder metallurgy
JPS5514825A (en) Production of iron powder for welding, cutting and powder metallurgy from converter dust
JPS5511166A (en) Production of raw material powder for poweder metallurgy
JPS5541916A (en) Production of raw material powder for powder metallurgy
JPS5538932A (en) Production of raw material powder for powder metallurgy
JPS5381405A (en) Treating method for blast furnace dust
JPS54102216A (en) Treating method for reduced iron
JPS577809A (en) Manufacture of beta-type silicon carbide powder
JPS54127810A (en) Shot or grit from converter dust for shot blast and preparation thereof
JPS5514862A (en) Sintering method for decreasing nitrogen oxide
JPS5362716A (en) Recycling method for lime cake
Kolesnikov et al. Rotary(Kiln) Treatment of Zinc Filter Cake at UKSTsK
Rao et al. Use of Chemical Additives to Improve the Grindability of Magnetite Ore and Its Influence on Mill Energy
Pathare et al. Evaluation of the Performance of a Mechanical Attritor for Size Reduction of Cast Iron Swarf
JPS522806A (en) Process for treatment of ironmaking dust containing zinc
JPS57116715A (en) Manufacture of metallic magnetic powder
JPS5221207A (en) Method of recovering metal from iron making slag
JPS5288211A (en) Method and equipment for continuous treatment of magnetic material
Li et al. Reducing fluorine and phosphorus content of Baotou Mine's iron concentrate from magnetic separation operation
JPS5794535A (en) Production of hard alloy
JPS5339905A (en) Operating method for sintering machine
Sukiasyan et al. Behaviour of Carbon During the Full Cycle of Conversion of Iron-Ore Pellets Into Powders of Pure Iron
Cappel et al. Sintering and Pelletising of Iron Ores
Mookherjee et al. Metallization Characteristics of Indian Iron Ore Fines When Reduced by Coal Powder in Concentric Layers