FR2469460A1 - Procede de recuit des aciers - Google Patents
Procede de recuit des aciersInfo
- Publication number
- FR2469460A1 FR2469460A1 FR8023576A FR8023576A FR2469460A1 FR 2469460 A1 FR2469460 A1 FR 2469460A1 FR 8023576 A FR8023576 A FR 8023576A FR 8023576 A FR8023576 A FR 8023576A FR 2469460 A1 FR2469460 A1 FR 2469460A1
- Authority
- FR
- France
- Prior art keywords
- steel
- austenity
- carbides
- annealing process
- steel 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.)
- Granted
Links
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
- C21D1/26—Methods of annealing
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 Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
L'INVENTION CONCERNE L'INDUSTRIE DE LA METALLURGIE DE L'ACIER. PROCEDE DE RECUIT ACCELERE SELON LEQUEL ON CHAUFFE RAPIDEMENT L'ACIER JUSQU'A UNE TEMPERATURE SUPERIEURE A SA TEMPERATURE DE TRANSFORMATION SUPERIEURE, POUR CONVERTIR L'ACIER EN AUSTENITE ET EN CARBURES, PUIS ON REFROIDIT L'ACIER, LA VITESSE DU CHAUFFAGE DE L'ACIER ETANT TELLE QU'ON PROVOQUE LA DISSOLUTION DE LA PLUS GRANDE PARTIE DES CARBURES DANS L'AUSTENITE AINSI FORMEE, TOUT EN LAISSANT SUBSISTER DE PETITES PARTICULES DE CARBURE NON DISSOUS, EN QUANTITE SUFFISANTE POUR SERVIR DE NOYAUX DANS LA PRECIPITATION DES PRODUITS DE TRANSFORMATION SUPERIEURE. APPLICATION AU TRAITEMENT DES ACIERS HYPOEUTECTOIDES CONTENANT JUSQU'A 0,7 EN POIDS DE CARBONE OU MOINS, ET FAIBLEMENT ALLIES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9300779A | 1979-11-09 | 1979-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2469460A1 true FR2469460A1 (fr) | 1981-05-22 |
FR2469460B1 FR2469460B1 (fr) | 1985-01-18 |
Family
ID=22236273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8023576A Granted FR2469460A1 (fr) | 1979-11-09 | 1980-11-05 | Procede de recuit des aciers |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS56139618A (fr) |
AU (1) | AU537333B2 (fr) |
BE (1) | BE886095A (fr) |
BR (1) | BR8007075A (fr) |
CA (1) | CA1151513A (fr) |
CH (1) | CH649313A5 (fr) |
DE (1) | DE3042067A1 (fr) |
DK (1) | DK154229C (fr) |
ES (1) | ES8202867A1 (fr) |
FR (1) | FR2469460A1 (fr) |
GB (1) | GB2066850B (fr) |
IT (1) | IT1134136B (fr) |
MX (1) | MX154795A (fr) |
SE (1) | SE449008B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0247415A2 (fr) * | 1986-05-28 | 1987-12-02 | Uddeholm Tooling Aktiebolag | Produit en acier allié, porte-estampes et autres produits forgés et coulés fabriqués avec cet acier et procédé pour la fabrication du produit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004023579B4 (de) * | 2004-05-13 | 2014-04-03 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Verfahren zur Wärmebehandlung eines Fügeteils aus hochfestem Stahl |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2106124A5 (fr) * | 1970-08-31 | 1972-04-28 | Uss Eng & Consult | |
FR2220585A1 (fr) * | 1972-03-07 | 1974-10-04 | Licencia Talalmanyokat | |
FR2348274A1 (fr) * | 1976-04-16 | 1977-11-10 | Lasalle Steel Co | Procede pour accroitre la resistance des aciers au carbone |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4894618A (fr) * | 1972-03-15 | 1973-12-05 |
-
1980
- 1980-10-20 AU AU63517/80A patent/AU537333B2/en not_active Ceased
- 1980-10-24 MX MX184473A patent/MX154795A/es unknown
- 1980-10-31 BR BR8007075A patent/BR8007075A/pt unknown
- 1980-10-31 IT IT25723/80A patent/IT1134136B/it active
- 1980-11-05 FR FR8023576A patent/FR2469460A1/fr active Granted
- 1980-11-05 SE SE8007767A patent/SE449008B/sv not_active IP Right Cessation
- 1980-11-06 CA CA000364167A patent/CA1151513A/fr not_active Expired
- 1980-11-06 CH CH8253/80A patent/CH649313A5/it not_active IP Right Cessation
- 1980-11-07 GB GB8035855A patent/GB2066850B/en not_active Expired
- 1980-11-07 DK DK473080A patent/DK154229C/da not_active IP Right Cessation
- 1980-11-07 DE DE19803042067 patent/DE3042067A1/de not_active Ceased
- 1980-11-07 ES ES496654A patent/ES8202867A1/es not_active Expired
- 1980-11-07 BE BE0/202750A patent/BE886095A/fr not_active IP Right Cessation
- 1980-11-10 JP JP15805680A patent/JPS56139618A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2106124A5 (fr) * | 1970-08-31 | 1972-04-28 | Uss Eng & Consult | |
FR2220585A1 (fr) * | 1972-03-07 | 1974-10-04 | Licencia Talalmanyokat | |
FR2348274A1 (fr) * | 1976-04-16 | 1977-11-10 | Lasalle Steel Co | Procede pour accroitre la resistance des aciers au carbone |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0247415A2 (fr) * | 1986-05-28 | 1987-12-02 | Uddeholm Tooling Aktiebolag | Produit en acier allié, porte-estampes et autres produits forgés et coulés fabriqués avec cet acier et procédé pour la fabrication du produit |
EP0247415A3 (en) * | 1986-05-28 | 1989-01-18 | Uddeholm Tooling Aktiebolag | Alloy steel product, die blocks and other forgings and castings made thereof and a method to manufacture the product |
Also Published As
Publication number | Publication date |
---|---|
MX154795A (es) | 1987-12-15 |
DK154229B (da) | 1988-10-24 |
AU537333B2 (en) | 1984-06-21 |
FR2469460B1 (fr) | 1985-01-18 |
GB2066850B (en) | 1983-09-21 |
ES496654A0 (es) | 1982-02-16 |
CH649313A5 (it) | 1985-05-15 |
BR8007075A (pt) | 1981-05-12 |
JPS56139618A (en) | 1981-10-31 |
DK154229C (da) | 1989-03-20 |
IT8025723A0 (it) | 1980-10-31 |
AU6351780A (en) | 1981-05-14 |
SE8007767L (sv) | 1981-05-10 |
GB2066850A (en) | 1981-07-15 |
ES8202867A1 (es) | 1982-02-16 |
IT1134136B (it) | 1986-07-24 |
CA1151513A (fr) | 1983-08-09 |
BE886095A (fr) | 1981-03-02 |
DE3042067A1 (de) | 1981-05-21 |
DK473080A (da) | 1981-05-10 |
SE449008B (sv) | 1987-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |