KR960007804A - 내열성, 내식성 금속다공체의 제조방법 - Google Patents

내열성, 내식성 금속다공체의 제조방법 Download PDF

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KR960007804A
KR960007804A KR1019950020095A KR19950020095A KR960007804A KR 960007804 A KR960007804 A KR 960007804A KR 1019950020095 A KR1019950020095 A KR 1019950020095A KR 19950020095 A KR19950020095 A KR 19950020095A KR 960007804 A KR960007804 A KR 960007804A
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chromium
gas
metal
compound
heat
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KR1019950020095A
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KR100274718B1 (ko
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토시야스 쯔보우찌
사토루 오카모토
토모히코 이하라
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쿠라우찌 노리타카
스미도모덴기고오교오 가부시기가이샤
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2031—Metallic material the material being particulate
    • B01D39/2034—Metallic material the material being particulate sintered or bonded by inorganic agents
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
    • C23C10/10—Chromising
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
    • C23C10/10—Chromising
    • C23C10/12—Chromising of ferrous surfaces
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/14—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases more than one element being diffused in one step
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
    • C23C10/32—Chromising

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Catalysts (AREA)
  • Secondary Cells (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

본 발명은 금속으로 이루어지거나 또는 그 표층이 금속으로 이루어진 금속다공체를크롬 또는 그 표층이 금속으로 이루어진 금속다공체를 크롬 또는크롬 및 알루미늄의 조합으로 이하의 방법, 즉 (A) 크롬 또는 크롬화합물과 NH4Cl을 함유한 분말 혼합물을 950~1100℃에서 가열하여 생성한 가스와 환원성희석가스로 구성된 혼합가스중에서 800~1100℃에서 열처리하거나 또는 (B)알루미늄 또는 알루미늄화합물 크롬 또는 크롬화합물 NH4X(식중, X는 I, F, Cl 또는 Br)를 함유한 각 Cr 및 Al의 환산으로 알루미늄 또는 알루미늄화합물에 대한 크롬 또는 크롬화합물의 중량비가 10~80인 분말혼합물을 950~1100℃에서 가열하여 생성한 가스와 환원성희석가스로 구성된 혼삽가스중에서 800~1100℃에서 열처리하는 방법에 의해 합금화조성을 조성함으로써 전역에 걸쳐 균일하게 합금화 할 수 있는 내열성 및 내식성 금속다공체의 제조방법에 관한 것이다.

Description

내열성, 내식성 금속다공체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예의 확산 코팅에 사용된열처리장치의 개략도.
제2도는 본 발명에 의한 열처리에서의 가열 및 냉각사이클을 반복한 경우의 열사이클을 반복한 경우의 열사이클을 도시한 설명도.

Claims (7)

  1. 금속으로 만들어지거나 또는 그 표층이 금속으로 만들어진 금속다공체를 크롬 또는 크롬화합물과 NH4Cl을 함유한 분말재료를 950~1100℃에서 가열하여 생성한 가스와 환원성희석가스와의 혼합가스중에서 800~1100℃에서 열처리함으로써 합금화조성의 조정을 행한 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  2. 금속으로 만들어지거나 또는 그 표층이 금속으로 만들어진 금속다공체를 알루미늄 또는 알루미늄화합물 크롬 또는 크롬화합물 NH4X(식중, X는 I, F, Cl 또는 Br)를 함유한 크롬과 알루미늄의 환산으로 알루미늄 또는 알루미늄화합물에 대한 크롬 또는 크롬화합물의 중량비가(Cr/Al)가 10~80인 분말재료를 950~1100℃에서 가열하여 생성한 가스와 환원성희석가스와의 혼합가스중에서 800~1100℃에서 열처리함으로써 합금화조성의 조정을 행한 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  3. 제1항 또는 제2항에 있어서 상기 합금화조성의 조정에는 온도상승 및 온도하강으로 구성된 적어도 2회의런(run)이 포함된 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  4. 제1항 또는 제2항에 있어서 상기 합금화조성의 조정에 사용된 환원성희석가스는 수소인 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  5. 제1항 또는 제2항에 있어서 상기 합금화조성의 조정에 사용된 환원성희석가스는 수소와 불활성가스로 이루어진 혼합가스인 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  6. 제1항 또는 제2항에 있어서 상기 열처리시간은 3~8시간인 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
  7. 제1항 또는 제2항에 있어서 상기 크롬 또는 크롬화합물의 분말조성은 Cr 환산으로 전체분말재료의 15~35중량%인 것을 특징으로 하는 내열성 및 내식성 금속다공체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950020095A 1994-08-12 1995-07-08 내열성,내식성 금속다공체의 제조방법 KR100274718B1 (ko)

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Application Number Priority Date Filing Date Title
JP94-190424 1994-08-12
JP19042494 1994-08-12
JP94-327996 1994-12-28
JP32799694 1994-12-28

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US (1) US5672387A (ko)
EP (1) EP0696649B1 (ko)
KR (1) KR100274718B1 (ko)
AT (1) ATE179220T1 (ko)
CA (1) CA2152228C (ko)
DE (1) DE69509174T2 (ko)

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KR20210092678A (ko) 2020-01-16 2021-07-26 코오롱인더스트리 주식회사 비정질 금속다공체 및 그 제조방법

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KR102103573B1 (ko) * 2018-03-19 2020-04-23 주식회사 카보넥스 하이브리드 코팅법을 이용한 그라파이트 모재의 코팅방법
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KR20210092678A (ko) 2020-01-16 2021-07-26 코오롱인더스트리 주식회사 비정질 금속다공체 및 그 제조방법

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CA2152228A1 (en) 1996-02-13
DE69509174T2 (de) 1999-12-16
EP0696649B1 (en) 1999-04-21
CA2152228C (en) 1999-03-30
DE69509174D1 (de) 1999-05-27
EP0696649A1 (en) 1996-02-14
ATE179220T1 (de) 1999-05-15
US5672387A (en) 1997-09-30
KR100274718B1 (ko) 2000-12-15

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