KR860004161A - 불연속 분위기에서의 침탄 방법 - Google Patents

불연속 분위기에서의 침탄 방법 Download PDF

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Publication number
KR860004161A
KR860004161A KR1019850008474A KR850008474A KR860004161A KR 860004161 A KR860004161 A KR 860004161A KR 1019850008474 A KR1019850008474 A KR 1019850008474A KR 850008474 A KR850008474 A KR 850008474A KR 860004161 A KR860004161 A KR 860004161A
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KR
South Korea
Prior art keywords
carburizing
discontinuous
atmosphere
hydrocarbon
inert gas
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KR1019850008474A
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English (en)
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KR900000792B1 (ko
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로이드 펜스터매쳐 마이클 (외 1)
Original Assignee
이. 유진 이니스
에어프로덕츠 앤드 케미칼스, 인코오포레이티드
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Application filed by 이. 유진 이니스, 에어프로덕츠 앤드 케미칼스, 인코오포레이티드 filed Critical 이. 유진 이니스
Publication of KR860004161A publication Critical patent/KR860004161A/ko
Application granted granted Critical
Publication of KR900000792B1 publication Critical patent/KR900000792B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0031—Rotary furnaces with horizontal or slightly inclined axis
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

내용 없음

Description

불연속 분위기에서의 침탄 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 가로축을 절단한 로우타리 침탄로의 측단면도.
제2도는 제1도의 2-2선을 따른 단면도.
* 도면중 주요 부분에 대한 부호의 설명
10:로우타리침탄로, 12:강철셸, 14:원통형증류기, 18:침탄구역, 22:장입구, 30:열원구역, 32:방사열관.

Claims (11)

  1. 산화철제품이 직접 침탄 처리되는 침탄구역으로부터 열원을 물리적인 방법으로 격리시키는 형식의 침탄로 내에서 산화철제품을 침탄시키는 방법에 있어서, 산화된 탄화수소와 탄화수소 가 기체로 된 침탄 혼합물을 불활성 기체의 포함없이 단독으로 침탄구역내로 장입시키고 동시에 불활성 기체는 침탄혼합물을 포함하지 않고 열원의 구역내로 분리장입시키는 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  2. 제1항에 있어서, 상기 탄화수소부가 기체가 메탄인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  3. 제1항에 있어서, 상기 탄화수소부가 기체가 에탄인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  4. 제1항에 있어서, 상기 탄화수소부가 기체가 프로판인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  5. 제1항에 있어서, 상기 불활성 기체가 질소인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  6. 제1항에 있어서, 상기 침탄로가 연속형 로우타리 침탄로인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  7. 제6항에 있어서, 상기 침탄로는 침탄혼합물이 장입되는 로우타리 증류기와, 불활성 기체가 장입되는 열원을 포함하는 침탄로의 셀을 갖는 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  8. 제1항에 있어서, 산화된 탄화수소는 알클기, 알데히드기, 에스테르기, 에테르기와 3개의 탄소원자를 갖는 그들의 혼합물로 이루어진 그룹으로부터 선택하는 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  9. 제1항에 있어서, 상기 산화된 탄화수소가 메탄올인 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  10. 제1항에 있어서, 상기 침탄혼합물은 불활성 기체의 체적에 비해 10%에 달하는 메탄올과 메탄으로 구성되는 것을 특징으로 하는 불연속 분위기에서의 침탄방법.
  11. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850008474A 1984-11-13 1985-11-13 개별분위기에 의한 침탄 촉진방법 KR900000792B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/670,706 US4597807A (en) 1984-11-13 1984-11-13 Accelerated carburizing method with discrete atmospheres
US670,706 1984-11-13

Publications (2)

Publication Number Publication Date
KR860004161A true KR860004161A (ko) 1986-06-18
KR900000792B1 KR900000792B1 (ko) 1990-02-16

Family

ID=24691528

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850008474A KR900000792B1 (ko) 1984-11-13 1985-11-13 개별분위기에 의한 침탄 촉진방법

Country Status (8)

Country Link
US (1) US4597807A (ko)
JP (1) JPS61153271A (ko)
KR (1) KR900000792B1 (ko)
BR (1) BR8505713A (ko)
CA (1) CA1244326A (ko)
DE (1) DE3540282A1 (ko)
NL (1) NL8503126A (ko)
ZA (1) ZA858671B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5324415A (en) * 1989-06-09 1994-06-28 Blumenthal Robert N Apparatus and systems for analyzing a sample of treatment atmosphere having a carbon potential
SE466755B (sv) * 1989-06-30 1992-03-30 Aga Ab Foerfarande foer uppkolning av staal med reducering av vaetehalten i uppkolningsskiktet
US4966348A (en) * 1989-06-30 1990-10-30 Lindberg Corp. Method and apparatus for monitoring atmosphere in furnaces
JP4823670B2 (ja) * 2005-12-13 2011-11-24 大陽日酸株式会社 浸炭用雰囲気ガス発生方法
US9365919B2 (en) * 2010-12-17 2016-06-14 Bhagavan Raghavan Method for reduction of time in a gas carburizing process and cooling apparatus utilizing a high speed quenching oil flow rate

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2329896A (en) * 1941-01-28 1943-09-21 Leeds & Northrup Co Method of and compound for carburizing
US2594876A (en) * 1947-11-24 1952-04-29 Electric Furnace Co Apparatus for carburizing steel
AT239293B (de) * 1962-02-10 1965-03-25 Maag Zahnraeder & Maschinen Ag Verfahren zum regelbaren Aufkohlen der Oberflächenschicht von Werkstücken aus Stahl
US3259527A (en) * 1963-10-21 1966-07-05 Midland Ross Corp Electric heating elements for carburizing atmospheres
US3397875A (en) * 1966-05-20 1968-08-20 Leeds & Northrup Co Apparatus for maintaining a carburizing atmosphere during heat treatment
US3950192A (en) * 1974-10-30 1976-04-13 Monsanto Company Continuous carburizing method
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
FR2446322A2 (fr) * 1979-01-15 1980-08-08 Air Liquide Procede de traitement thermique de l'acier et de controle dudit traitement
JPS5630058A (en) * 1979-08-17 1981-03-26 Kawasaki Steel Corp Preventing method for leakage of molten steel through porus brick
JPS56146866A (en) * 1980-04-12 1981-11-14 Matsushita Electric Works Ltd Manufacture of electrical contact material
US4306918A (en) * 1980-04-22 1981-12-22 Air Products And Chemicals, Inc. Process for carburizing ferrous metals
US4317687A (en) * 1980-05-12 1982-03-02 Air Products And Chemicals, Inc. Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures
JPS59100267A (ja) * 1982-11-29 1984-06-09 Shimadzu Corp 連続式熱処理装置

Also Published As

Publication number Publication date
KR900000792B1 (ko) 1990-02-16
BR8505713A (pt) 1986-08-12
DE3540282A1 (de) 1986-05-22
US4597807A (en) 1986-07-01
NL8503126A (nl) 1986-06-02
CA1244326A (en) 1988-11-08
JPS61153271A (ja) 1986-07-11
ZA858671B (en) 1987-07-29
DE3540282C2 (ko) 1987-10-15

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