KR960003537A - 비-저온성으로 생산된 질소와 탄화수소 기체의 혼합물을 사용하여 노내부에 열처리용 대기를 현장 생성하는 방법 - Google Patents

비-저온성으로 생산된 질소와 탄화수소 기체의 혼합물을 사용하여 노내부에 열처리용 대기를 현장 생성하는 방법 Download PDF

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KR960003537A
KR960003537A KR1019950031745A KR19950031745A KR960003537A KR 960003537 A KR960003537 A KR 960003537A KR 1019950031745 A KR1019950031745 A KR 1019950031745A KR 19950031745 A KR19950031745 A KR 19950031745A KR 960003537 A KR960003537 A KR 960003537A
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gas
furnace
metals
mixture
nitrogen
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KR950014633B1 (ko
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버나드 보너 브리앤
가그 디와카
폴 이첼베르거 도날드
제임스 보웨 도날드
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윌리엄 에프. 마쉬
에어 프로덕츠 앤드 케미칼스, 인코포레이티드
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
    • 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
    • C23C8/10—Oxidising
    • C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
    • C23C8/18—Oxidising 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Articles (AREA)
  • Ceramic Products (AREA)

Abstract

본 발명은 5%이내의 잔류 산소를 함유하는 비-저온성으로 생산된 질소를 사용하여 연속 노에서 비철금속과 합금의 어닐링 및 열처리, 금속의 납댐, 금속에 유리를 충진시키는 작업, 그리고 금속 및 세라믹 분말의 소결에 적합한 지 원가의 질소를 현장에서 생성시키는 방법에 관한 것이다. 상기 방법은 잔류 산소를 함유한 질소기체를 선정된 양의 탄화수소와 혼합시키는 방법과, 기체 혼합물을 종래의 기구와 다른 기구를 통해 연속 열처리 노의 고온 영역으로 주입시키는 방법과, 잔류 산소를 수분과 이산화탄소의 혼합물, 수분, 수소, 일산화탄소, 및 이산화탄소의 혼합물, 또는 일산화탄소, 수분, 및 수소의 혼합물과 같은 수용 가능한 형태로 전환시키는 방법과, 그리고 그 결과로서 생긴 기체 혼합물을 금속 및 합금의 풀림 및 열처리, 금속의 납땜, 금속 및 세라믹 분말의 소결, 유리를 금속에 밀봉시키기 위해 사용하는 방법을 포함한다.

Description

비-저온성으로 생산된 질소와 탄화수소 기체의 혼합물을 사용하여 노내부에 열처리용 대기를 현장 생성하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 노의 전이 혹은 냉각 영역으로 주입되는 대기를 도시하는 제어된 대기 열처리 노의 개략도.
제2도는 노의 고온 영역으로 주입되는 대기를 도시하는 제어된 대기 열처리 노의 개략도.
제4도는 본 발명에 의한 열처리 공정을 테스트하는데 사용된 노의 개략도.

Claims (12)

  1. 노속에서 금속의 납땜, 금속에 유리의 충진, 금속과 세라믹 분말의 소결, 또는 비철금속과 합금의 어닐링작업을 하기위해 사용되는 대기를 현장에서 생성시키는 방법에 있어서 : a) 상기 노즐 700℃ 이상의 온도로 가열하는 단계 ; b) 5부피% 이내의 잔류 산소를 함유하는 질소 가스를 탄화수소 기체와 함께 기체 유입 장치를 통해 상기 노의 고온 구역내로 주입시키는 단계 ; c) 상기 공정을 완료하기 위해 충분한 시간동안 처리물을 상기 온도와 상기 대기에 노출시키는 것을 포함하며, 상기 (b) 단계에서 탄화수소 기체는 잔류 산소를 수분과 이산화탄소의 혼합물로 완전히 전환시키는데 요구되는 화학량론적 양의 약 1.5배 이상의 유량으로 주입되며, 이 주입은 상기 혼합물이 주어진 공정에 따라 처리물과 접촉하기 전에 상기 산소와 탄화수소 기체의 반응이 실제적으로 완료되도록 상기 노속으로 주입되는 방식으로 수행되는 것을 특징으로 하는 방법.
  2. 제1항에 있어서, 상기 잔류 산소를 수분과 일산화탄소의 혼합물로 전환시키는 단계를 특징으로 하는 방법.
  3. 제1항에 있어서, 상기 잔류 산소를 수분, 이산환탄소, 일산화탄소, 그리고 이들의 혼합물로 전환시키는 단계를 특징으로 하는 방법.
  4. 제1항에 있어서, 상기 질소가 비-저온성 수단들에 의해 생성되는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 비-저온성 수단들에 의해 생성된 질소는 약 5부피% 이내의 산소를 함유하는 것을 특징으로 하는 방법.
  6. 제1항에 있어서, 비-저온성 수단들에 의해 생성된 질소는 약 1.0부피% 이내의 산소를 함유하는 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 노는 가열 영역과 냉각 영역이 통합된 연속노 인것을 특징으로 하는 방법.
  8. 제1항에 있어서, 상기 노는 가열 영역과 담금질용 냉각 영역을 구비한 연속 노인 것을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 탄화수소 기체는 메탄, 에탄, 프로판, 및 부탄과 같은 알칸, 에틸렌, 프로필렌, 및 부텐과 같은 알켄 ; 메탄올, 에탄올, 및 프로판올과 같은 알코올 ; 디메틸 에테르, 디에틸 에테르 및 메틸 에틸 에테르와 같은 에테르 ; 그리고 천연 기체, 석유 가스, 주방용 가스, 코르크 오븐 기체, 도시 기체, 발열 기체, 및 흡열 기체와 같은 상용 공급원료에서 산택되는 것을 특징으로 하는 방법.
  10. 제9항에 있어서, 상기 탄화수소는 잔류 산소를 수분과 이산화탄소의 혼합물로 전환시키는데 요구되는 화학량론적 양의 5.0배와 약 4.0배 이상의 양으로 주입된 천연 기체 혹은 메탄인 것을 특징으로 하는 방법.
  11. 제9항에 있어서, 상기 탄화수소 기체는 잔류 산소를 수분과 이산화탄소의 혼합물로 전환시키는데 요구되는 화학량론적 양의 1.5배와 3.2배 사이의 양으로 주입된 프로판인 것을 특징으로 하는 방법.
  12. 제1항에 있어서, 상기 노가 700℃ 내지 1,250℃ 온도로 가열됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950031745A 1991-11-05 1995-09-21 비-저온성으로 생산된 질소와 탄화수소 기체의 혼합물을 사용하여 노내부에 열처리용 대기를 현장 생성하는 방법 KR950014633B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/787,982 1991-11-05
US07/787,982 US5259893A (en) 1991-07-08 1991-11-05 In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas
KR1019920020588A KR950014632B1 (ko) 1991-11-05 1992-11-04 철금속 및 합금을 어닐링하는 방법

Related Parent Applications (1)

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KR1019920020588A Division KR950014632B1 (ko) 1991-11-05 1992-11-04 철금속 및 합금을 어닐링하는 방법

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KR950014633B1 KR950014633B1 (ko) 1995-12-11
KR960003537A true KR960003537A (ko) 1996-01-26

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KR1019920020588A KR950014632B1 (ko) 1991-11-05 1992-11-04 철금속 및 합금을 어닐링하는 방법
KR1019950031745A KR950014633B1 (ko) 1991-11-05 1995-09-21 비-저온성으로 생산된 질소와 탄화수소 기체의 혼합물을 사용하여 노내부에 열처리용 대기를 현장 생성하는 방법

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US (1) US5259893A (ko)
EP (1) EP0541006A3 (ko)
JP (1) JPH05239543A (ko)
KR (2) KR950014632B1 (ko)
CN (2) CN1031002C (ko)
BR (1) BR9204271A (ko)
CA (1) CA2081875A1 (ko)
MX (1) MX9206327A (ko)
MY (1) MY108488A (ko)
TW (1) TW239870B (ko)
ZA (1) ZA928501B (ko)

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CN106636957A (zh) * 2016-11-17 2017-05-10 马鞍山市银鼎机械制造有限公司 一种球磨机用合金圆筒制备方法
CN114661179A (zh) 2020-12-23 2022-06-24 京东方科技集团股份有限公司 柔性触控显示模组和具有其的触控显示装置

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BR9204271A (pt) 1993-05-11
CN1031002C (zh) 1996-02-14
TW239870B (ko) 1995-02-01
CN1112961A (zh) 1995-12-06
MY108488A (en) 1996-09-30
KR950014633B1 (ko) 1995-12-11
KR930010202A (ko) 1993-06-22
JPH05239543A (ja) 1993-09-17
US5259893A (en) 1993-11-09
CN1073723A (zh) 1993-06-30
MX9206327A (es) 1993-05-01
CA2081875A1 (en) 1993-05-06
EP0541006A2 (en) 1993-05-12
EP0541006A3 (en) 1993-08-04
KR950014632B1 (ko) 1995-12-11
ZA928501B (en) 1994-05-04

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