KR19980070837A - 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 - Google Patents
높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 Download PDFInfo
- Publication number
- KR19980070837A KR19980070837A KR1019980002279A KR19980002279A KR19980070837A KR 19980070837 A KR19980070837 A KR 19980070837A KR 1019980002279 A KR1019980002279 A KR 1019980002279A KR 19980002279 A KR19980002279 A KR 19980002279A KR 19980070837 A KR19980070837 A KR 19980070837A
- Authority
- KR
- South Korea
- Prior art keywords
- oxidant
- heat treatment
- oxygen
- atmosphere
- reaction
- Prior art date
Links
Classifications
-
- 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
- C21D1/763—Adjusting the composition of the atmosphere using a catalyst
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97TO000065A IT1291479B1 (it) | 1997-01-29 | 1997-01-29 | Procedimento di trattamento termico di pezzi metallici a base ferrosa in un'atmosfera attiva ad elevato potenziale di carbonio. |
ITTO97A000065 | 1997-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR19980070837A true KR19980070837A (ko) | 1998-10-26 |
Family
ID=11415278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980002279A KR19980070837A (ko) | 1997-01-29 | 1998-01-26 | 높은 탄소 포텐셜을 갖는 활성 대기하에서 강기초 금속 부품의열처리 방법 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0856587A1 (it) |
JP (1) | JPH10298735A (it) |
KR (1) | KR19980070837A (it) |
CN (1) | CN1197036A (it) |
BR (1) | BR9800455A (it) |
CA (1) | CA2228074A1 (it) |
ID (1) | ID19683A (it) |
IT (1) | IT1291479B1 (it) |
PL (1) | PL324543A1 (it) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3620518A (en) * | 1967-03-23 | 1971-11-16 | Degussa | Process and device for the treatment of surfaces of workpieces in an annealing furnace |
GB1598826A (en) * | 1977-03-11 | 1981-09-23 | Boc Ltd | Heat treatment of metals |
DE3630833A1 (de) * | 1986-09-10 | 1988-03-17 | Linde Ag | Verfahren und vorrichtung zur waermebehandlung metallischer werkstuecke |
US5364476A (en) * | 1993-11-08 | 1994-11-15 | Surface Combustion, Inc. | Industrial variable carbon potential gas generator |
US5441581A (en) * | 1994-06-06 | 1995-08-15 | Praxair Technology, Inc. | Process and apparatus for producing heat treatment atmospheres |
DE19545764C2 (de) * | 1995-12-07 | 2000-02-17 | Linde Ag | Verfahren zur Schutzgaserzeugung für einen Wärmebehandlungsofen und Wärmebehandlungsanlage |
-
1997
- 1997-01-29 IT IT97TO000065A patent/IT1291479B1/it active IP Right Grant
-
1998
- 1998-01-21 EP EP98100929A patent/EP0856587A1/en not_active Withdrawn
- 1998-01-22 ID IDP980078A patent/ID19683A/id unknown
- 1998-01-23 JP JP10025196A patent/JPH10298735A/ja active Pending
- 1998-01-26 BR BR9800455A patent/BR9800455A/pt not_active Application Discontinuation
- 1998-01-26 KR KR1019980002279A patent/KR19980070837A/ko not_active Application Discontinuation
- 1998-01-27 CN CN98105957A patent/CN1197036A/zh active Pending
- 1998-01-28 PL PL98324543A patent/PL324543A1/xx unknown
- 1998-01-28 CA CA002228074A patent/CA2228074A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ITTO970065A1 (it) | 1998-07-29 |
BR9800455A (pt) | 1999-06-29 |
ID19683A (id) | 1998-07-30 |
JPH10298735A (ja) | 1998-11-10 |
CN1197036A (zh) | 1998-10-28 |
PL324543A1 (en) | 1998-08-03 |
IT1291479B1 (it) | 1999-01-11 |
CA2228074A1 (en) | 1998-07-29 |
EP0856587A1 (en) | 1998-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |