BE561792A - - Google Patents
Info
- Publication number
- BE561792A BE561792A BE561792DA BE561792A BE 561792 A BE561792 A BE 561792A BE 561792D A BE561792D A BE 561792DA BE 561792 A BE561792 A BE 561792A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- steel
- temperature
- process according
- reduction
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 102
- 239000010959 steel Substances 0.000 claims description 102
- 230000009467 reduction Effects 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 26
- 238000009792 diffusion process Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000010310 metallurgical process Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000005255 carburizing Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910000760 Hardened steel Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005256 carbonitriding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000817 1144 steel Inorganic materials 0.000 description 1
- 229910001104 4140 steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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)
- Heat Treatment Of Steel (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE561792A true BE561792A (enrdf_load_stackoverflow) |
Family
ID=183620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE561792D BE561792A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE561792A (enrdf_load_stackoverflow) |
-
0
- BE BE561792D patent/BE561792A/fr unknown
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