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KR910005954A - Method of manufacturing sintered material by adding oxide to cast iron powder - Google Patents

Method of manufacturing sintered material by adding oxide to cast iron powder Download PDF

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Publication number
KR910005954A
KR910005954A KR1019890012633A KR890012633A KR910005954A KR 910005954 A KR910005954 A KR 910005954A KR 1019890012633 A KR1019890012633 A KR 1019890012633A KR 890012633 A KR890012633 A KR 890012633A KR 910005954 A KR910005954 A KR 910005954A
Authority
KR
South Korea
Prior art keywords
cast iron
iron powder
oxide
sintered material
producing
Prior art date
Application number
KR1019890012633A
Other languages
Korean (ko)
Inventor
노용국
이봉희
성인용
Original Assignee
김선흥
기아자동차 주식회사
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.)
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Publication date
Application filed by 김선흥, 기아자동차 주식회사 filed Critical 김선흥
Priority to KR1019890012633A priority Critical patent/KR910005954A/en
Publication of KR910005954A publication Critical patent/KR910005954A/en

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  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

내용 없음No content

Description

주철분말에 산화물을 첨가해서 소결재료를 제조하는 방법Method of manufacturing sintered material by adding oxide to cast iron powder

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따라 탈탄 및 소결하는 과정을 설명한 그래프이고,1 is a graph illustrating a process of decarburization and sintering according to the present invention,

제2도는 산화물 첨가량에 따른 소결재료의 인장강도의 변화를 도시한 그래프.2 is a graph showing the change in tensile strength of the sintered material according to the amount of oxide added.

Claims (2)

주철분말을 가지고 성형체를 만들어 이 성형체를 탈탄 및 소결시켜줌으로써 소결재료를 제조하는 방법에 있어서, 주철분말에 소정량의 산화물과 고체윤활제를 첨가해서 혼합하는 혼합분말 준비단계와, 이 혼합분말을 6∼8ton/㎠의 압력으로 가압성형해서 성형체로 만든 다음 이 성형체를 비산화성분의기 중에서 900∼1200℃의 온도범위로 30분∼2시간동안 유지시켜 탈탄 및 소결작업을 실시하는 탈탄 및 소결단계로 이루어진 것을 특징으로 하는 주철분말에 산화물을 첨가해서 소결재료를 제조하는 방법.In the method for producing a sintered material by forming a molded body with a cast iron powder and decarburizing and sintering the molded body, a mixed powder preparation step of adding a predetermined amount of oxide and a solid lubricant to the cast iron powder and mixing the mixed powder; The decarburization and sintering step is carried out by press molding at a pressure of ˜8 ton / cm 2 to form a molded body, which is then held in a non-oxidizing group at a temperature range of 900 to 1200 ° C. for 30 minutes to 2 hours to perform decarburization and sintering. Method for producing a sintered material by adding an oxide to a cast iron powder, characterized in that consisting of. 제1항에 있어서, 상기 산화물이 FeO, Fe2O3, Fe3O4로 된 산화철을 이용하도록 된 것을 특징으로 하는 주철분 말에 산화물을 첨가해서 소결재료를 제조하는 방법.The method for producing a sintered material by adding an oxide to a cast iron powder according to claim 1, wherein the oxide is made of iron oxide composed of FeO, Fe 2 O 3 , or Fe 3 O 4 . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012633A 1989-09-01 1989-09-01 Method of manufacturing sintered material by adding oxide to cast iron powder KR910005954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890012633A KR910005954A (en) 1989-09-01 1989-09-01 Method of manufacturing sintered material by adding oxide to cast iron powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890012633A KR910005954A (en) 1989-09-01 1989-09-01 Method of manufacturing sintered material by adding oxide to cast iron powder

Publications (1)

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KR910005954A true KR910005954A (en) 1991-04-27

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Application Number Title Priority Date Filing Date
KR1019890012633A KR910005954A (en) 1989-09-01 1989-09-01 Method of manufacturing sintered material by adding oxide to cast iron powder

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101293827B1 (en) * 2011-01-31 2013-08-07 한국생산기술연구원 Finite element method for simulating compaction and sintering of powders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101293827B1 (en) * 2011-01-31 2013-08-07 한국생산기술연구원 Finite element method for simulating compaction and sintering of powders

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