CH527278A - Verfahren zur Nitridierhärtung der inneren Oberfläche von Röhren - Google Patents
Verfahren zur Nitridierhärtung der inneren Oberfläche von RöhrenInfo
- Publication number
- CH527278A CH527278A CH50969A CH50969A CH527278A CH 527278 A CH527278 A CH 527278A CH 50969 A CH50969 A CH 50969A CH 50969 A CH50969 A CH 50969A CH 527278 A CH527278 A CH 527278A
- Authority
- CH
- Switzerland
- Prior art keywords
- nitriding
- tubes
- Prior art date
Links
Classifications
-
- 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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69799068A | 1968-01-15 | 1968-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH527278A true CH527278A (de) | 1972-08-31 |
Family
ID=24803453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH50969A CH527278A (de) | 1968-01-15 | 1969-01-15 | Verfahren zur Nitridierhärtung der inneren Oberfläche von Röhren |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS512417B1 (nl) |
BE (1) | BE726799A (nl) |
CH (1) | CH527278A (nl) |
ES (1) | ES362288A1 (nl) |
FR (1) | FR2000259A1 (nl) |
GB (1) | GB1213190A (nl) |
NL (1) | NL6818765A (nl) |
SE (1) | SE345699B (nl) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63132076U (nl) * | 1987-02-20 | 1988-08-30 | ||
DE3800838C1 (nl) * | 1988-01-14 | 1989-09-14 | Skf Gmbh, 8720 Schweinfurt, De | |
NL1039971C2 (en) * | 2012-12-24 | 2014-06-25 | Bosch Gmbh Robert | Heat treatment process in a manufacturing method of a ring set for a drive belt. |
JP6576232B2 (ja) * | 2015-12-10 | 2019-09-18 | 曙ブレーキ工業株式会社 | 軟窒化鋼部材およびその製造方法、プレッシャプレート、並びに、ブレーキパッド |
CN114540747B (zh) * | 2022-01-25 | 2023-02-24 | 北京科技大学 | 一种内表面梯度强化钢管制备装置及应用方法 |
-
1968
- 1968-12-20 GB GB6079568A patent/GB1213190A/en not_active Expired
- 1968-12-27 NL NL6818765A patent/NL6818765A/xx unknown
- 1968-12-28 JP JP9596568A patent/JPS512417B1/ja active Pending
-
1969
- 1969-01-09 ES ES362288A patent/ES362288A1/es not_active Expired
- 1969-01-13 BE BE726799D patent/BE726799A/xx unknown
- 1969-01-14 SE SE42769A patent/SE345699B/xx unknown
- 1969-01-15 CH CH50969A patent/CH527278A/de not_active IP Right Cessation
- 1969-01-15 FR FR6900526A patent/FR2000259A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ES362288A1 (es) | 1970-12-01 |
DE1901607A1 (de) | 1969-07-31 |
SE345699B (nl) | 1972-06-05 |
FR2000259A1 (nl) | 1969-09-05 |
DE1901607B2 (de) | 1975-09-25 |
NL6818765A (nl) | 1969-07-17 |
JPS512417B1 (nl) | 1976-01-26 |
GB1213190A (en) | 1970-11-18 |
BE726799A (nl) | 1969-07-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH543478A (de) | Verfahren zur Herstellung von Glykolaminen | |
AT313834B (de) | Verfahren zur Gewinnung von Hopfenextrakten | |
AT291933B (de) | Verfahren zur Herstellung von Magnesium-Alkohol-Verbindungen | |
AT304772B (de) | Verfahren zur Herstellung von des-A-Steroiden | |
AT311658B (de) | Verfahren zur kontinuierlichen herstellung von planebenen bauplatten | |
CH518979A (de) | Verfahren zur Herstellung von Metallchelaten | |
AT304461B (de) | Verfahren zur herstellung von 2-aethylhexanol | |
AT302982B (de) | Verfahren zur Herstellung von Monochloralkenen | |
AT320981B (de) | Verfahren zur Verbesserung der Polymerisationsfähigkeit von Lactamen | |
AT296479B (de) | Verfahren zur Isomerisierung aliphatischer Kohlenwasserstoffe | |
CH523230A (de) | Verfahren zur Herstellung von N-Fluoracetylamino-methyl-harnstoffen | |
CH498707A (de) | Verfahren zur Herstellung von Rohren | |
CH515344A (de) | Verfahren zur Oberflächenbehandlung von Metallgegenständen | |
CH527278A (de) | Verfahren zur Nitridierhärtung der inneren Oberfläche von Röhren | |
CH505040A (de) | Verfahren zur Herstellung von Aldehyden | |
CH503124A (de) | Verfahren zur Nitrierung der Oberfläche von Stahlkörpern | |
AT305214B (de) | Verfahren zur Verbesserung der Eingenschaften kleiner Kapseln | |
AT289381B (de) | Verfahren zur Herstellung von trans-Polypentenamer | |
AT313011B (de) | Verfahren zur Vorbehandlung von Aluminiumoberflächen | |
AT286957B (de) | Verfahren zur Herstellung von Malonsäuredinitril | |
AT317443B (de) | Verfahren zur Gewinnung von Hellebrin | |
CH535270A (de) | Verfahren zur Herstellung von Copolykondensaten | |
CH529100A (de) | Verfahren zur Herstellung von Amidomethylglykol- bzw. -polyglykolformalen | |
CH512425A (de) | Verfahren zur Herstellung von Mesidin | |
CH534694A (de) | Verfahren zur Herstellung von 2-Cephemverbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |