FR2689976B1 - Procede et dispositif pour la determination et le controle de la composition du melange gazeux reactif utilise au cours d'un traitement thermochimique sous atmosphere rarefiee. - Google Patents
Procede et dispositif pour la determination et le controle de la composition du melange gazeux reactif utilise au cours d'un traitement thermochimique sous atmosphere rarefiee.Info
- Publication number
- FR2689976B1 FR2689976B1 FR9204544A FR9204544A FR2689976B1 FR 2689976 B1 FR2689976 B1 FR 2689976B1 FR 9204544 A FR9204544 A FR 9204544A FR 9204544 A FR9204544 A FR 9204544A FR 2689976 B1 FR2689976 B1 FR 2689976B1
- Authority
- FR
- France
- Prior art keywords
- determining
- composition
- controlling
- gas mixture
- used during
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
-
- 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
- C23C8/36—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 using ionised gases, e.g. ionitriding
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9204544A FR2689976B1 (fr) | 1992-04-14 | 1992-04-14 | Procede et dispositif pour la determination et le controle de la composition du melange gazeux reactif utilise au cours d'un traitement thermochimique sous atmosphere rarefiee. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9204544A FR2689976B1 (fr) | 1992-04-14 | 1992-04-14 | Procede et dispositif pour la determination et le controle de la composition du melange gazeux reactif utilise au cours d'un traitement thermochimique sous atmosphere rarefiee. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2689976A1 FR2689976A1 (fr) | 1993-10-15 |
FR2689976B1 true FR2689976B1 (fr) | 1995-06-30 |
Family
ID=9428829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9204544A Expired - Lifetime FR2689976B1 (fr) | 1992-04-14 | 1992-04-14 | Procede et dispositif pour la determination et le controle de la composition du melange gazeux reactif utilise au cours d'un traitement thermochimique sous atmosphere rarefiee. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2689976B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060263256A1 (en) * | 2005-05-17 | 2006-11-23 | Nitrex Metal Inc. | Apparatus and method for controlling atmospheres in heat treating of metals |
CN110044853A (zh) * | 2019-05-06 | 2019-07-23 | 北京北分瑞利分析仪器(集团)有限责任公司 | 一种被测元素信号采集时间段的判定方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH628092A5 (de) * | 1978-03-21 | 1982-02-15 | Ipsen Ind Int Gmbh | Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches. |
FR2501727A1 (fr) * | 1981-03-13 | 1982-09-17 | Vide Traitement | Procede de traitements thermochimiques de metaux par bombardement ionique |
JPS57161063A (en) * | 1981-03-31 | 1982-10-04 | Nippon Sheet Glass Co Ltd | Method and device for sticking metallic oxide film on substrate |
FR2595801B1 (fr) * | 1986-03-12 | 1988-06-10 | Innovatique Sa | Procede et dispositif pour l'elaboration d'un melange gazeux apte a assurer une atmosphere de traitement dans un four de traitement thermochimique par bombardement ionique |
US4925306A (en) * | 1988-10-28 | 1990-05-15 | The Regents Of The University Of Michigan | Ion bombardment furnace for atomic spectroscopy |
DE3911965A1 (de) * | 1989-04-12 | 1990-10-18 | Krupp Gmbh | Verfahren zur bestimmung des konzentrationsverhaeltnisses zweier elemente eines stoffs aus dem intensitaetsverhaeltnis zweier spektrallinien dieser elemente in einem plasma dieses stoffs |
US5139584A (en) * | 1989-07-13 | 1992-08-18 | Solo Fours Industriels Sa | Carburization process |
-
1992
- 1992-04-14 FR FR9204544A patent/FR2689976B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2689976A1 (fr) | 1993-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
CD | Change of name or company name |