JPH0312140B2 - - Google Patents
Info
- Publication number
- JPH0312140B2 JPH0312140B2 JP8893587A JP8893587A JPH0312140B2 JP H0312140 B2 JPH0312140 B2 JP H0312140B2 JP 8893587 A JP8893587 A JP 8893587A JP 8893587 A JP8893587 A JP 8893587A JP H0312140 B2 JPH0312140 B2 JP H0312140B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- furnace
- present
- heating
- base material
- 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
- 238000000034 method Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 26
- 238000002407 reforming Methods 0.000 claims description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 39
- 239000010410 layer Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 238000002715 modification method Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 9
- 230000003204 osmotic effect Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 239000002344 surface layer Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 7
- 238000005121 nitriding Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005271 boronizing Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 102200029231 rs11551768 Human genes 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8893587A JPS63255355A (ja) | 1987-04-13 | 1987-04-13 | ガス複合浸透改質方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8893587A JPS63255355A (ja) | 1987-04-13 | 1987-04-13 | ガス複合浸透改質方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63255355A JPS63255355A (ja) | 1988-10-21 |
| JPH0312140B2 true JPH0312140B2 (fr) | 1991-02-19 |
Family
ID=13956746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8893587A Granted JPS63255355A (ja) | 1987-04-13 | 1987-04-13 | ガス複合浸透改質方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63255355A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046088A (ja) * | 2005-08-09 | 2007-02-22 | Yuki Koshuha:Kk | 浸窒焼入品及びその製造方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2753647B2 (ja) * | 1990-04-17 | 1998-05-20 | トヨタ自動車株式会社 | ガス軟窒化方法 |
| JPH0784639B2 (ja) * | 1990-09-04 | 1995-09-13 | 日栄鋼材株式会社 | ガス複合浸透改質方法 |
| JP5926973B2 (ja) * | 2012-02-06 | 2016-05-25 | 本田技研工業株式会社 | 金型冷却穴部の表面処理方法及び金型 |
-
1987
- 1987-04-13 JP JP8893587A patent/JPS63255355A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046088A (ja) * | 2005-08-09 | 2007-02-22 | Yuki Koshuha:Kk | 浸窒焼入品及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63255355A (ja) | 1988-10-21 |
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