JPS6353247B2 - - Google Patents
Info
- Publication number
- JPS6353247B2 JPS6353247B2 JP54088711A JP8871179A JPS6353247B2 JP S6353247 B2 JPS6353247 B2 JP S6353247B2 JP 54088711 A JP54088711 A JP 54088711A JP 8871179 A JP8871179 A JP 8871179A JP S6353247 B2 JPS6353247 B2 JP S6353247B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- electromotive force
- oxygen sensor
- decarburization
- annealing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 229910052760 oxygen Inorganic materials 0.000 claims description 100
- 239000001301 oxygen Substances 0.000 claims description 99
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 98
- 238000005261 decarburization Methods 0.000 claims description 85
- 238000000137 annealing Methods 0.000 claims description 59
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 34
- 230000001603 reducing effect Effects 0.000 claims description 24
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000007789 gas Substances 0.000 description 63
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 22
- 229910052799 carbon Inorganic materials 0.000 description 22
- 229910002091 carbon monoxide Inorganic materials 0.000 description 15
- 239000010960 cold rolled steel Substances 0.000 description 15
- 238000002791 soaking Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000007796 conventional method Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 238000011109 contamination Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8871179A JPS5613430A (en) | 1979-07-14 | 1979-07-14 | Annealing method of steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8871179A JPS5613430A (en) | 1979-07-14 | 1979-07-14 | Annealing method of steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5613430A JPS5613430A (en) | 1981-02-09 |
| JPS6353247B2 true JPS6353247B2 (enrdf_load_html_response) | 1988-10-21 |
Family
ID=13950471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8871179A Granted JPS5613430A (en) | 1979-07-14 | 1979-07-14 | Annealing method of steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5613430A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952527A (zh) * | 2014-05-14 | 2014-07-30 | 江苏舒茨测控设备有限公司 | 连续退火炉炉内气体检测系统 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096110A (en) * | 1990-12-17 | 1992-03-17 | Ford Motor Company | Control system for vacuum brazing process |
| US5261976A (en) * | 1991-12-31 | 1993-11-16 | Gas Research Institute | Control system for a soft vacuum furnace |
| JP2552641B2 (ja) * | 1992-05-01 | 1996-11-13 | 呉羽化学工業株式会社 | 樹脂製長尺パイプ巻回蓄積装置 |
| US5772428A (en) * | 1996-02-09 | 1998-06-30 | Praxair Technology, Inc. | Method and apparatus for heat treatment including H2 /H2 O furnace region control |
| ATE384947T1 (de) * | 1997-07-07 | 2008-02-15 | Euratom | Verfahren und vorrichtung zur einstellung einer geregelten atmosphäre mit niedrigem sauerstoff- partialdruck |
| DE10032411A1 (de) * | 2000-07-07 | 2002-01-17 | Rainer Gorris | Kennzahl zur Charakterisierung des Reduktions- oder Oxidationspotentials von Gasatmosphären in Bezug auf Metall-Metalloxide |
| CN103305745B (zh) * | 2012-03-09 | 2016-04-27 | 宝山钢铁股份有限公司 | 一种高质量硅钢常化基板的生产方法 |
-
1979
- 1979-07-14 JP JP8871179A patent/JPS5613430A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952527A (zh) * | 2014-05-14 | 2014-07-30 | 江苏舒茨测控设备有限公司 | 连续退火炉炉内气体检测系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5613430A (en) | 1981-02-09 |
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