DK2616563T3 - Forabejdningsmetoder for titanium og titaniumlegeringer - Google Patents
Forabejdningsmetoder for titanium og titaniumlegeringer Download PDFInfo
- Publication number
- DK2616563T3 DK2616563T3 DK11752026.2T DK11752026T DK2616563T3 DK 2616563 T3 DK2616563 T3 DK 2616563T3 DK 11752026 T DK11752026 T DK 11752026T DK 2616563 T3 DK2616563 T3 DK 2616563T3
- Authority
- DK
- Denmark
- Prior art keywords
- workpiece
- forging
- temperature
- beta
- heating
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/003—Selecting material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
- B21J1/025—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough affecting grain orientation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
Claims (22)
1. Fremgangsmåde til raffinering af en kornstørrelse af et arbejdsemne omfattende et metallisk materiale udvalgt blandt titanium og en titaniumlegering, hvilken fremgangsmåde omfatter: at opvarme arbejdsemnet til en smedetemperatur for arbejdsemnet i et al-pha+beta-faseområde af det metalliske materiale, hvor smedetemperaturen for arbejdsemnet er i et temperaturområde fra 55,6 °C under beta transus-temperaturen (Tp) af det metalliske materiale til 388,9 °C under beta transus-temperaturen af det metalliske materiale; og at multiaksesmede arbejdsemnet, hvor multiaksesmedningen omfatter at pressesmede arbejdsemnet ved smedetemperaturen for arbejdsemnet i retning af en første vinkelret akse af arbejdsemnet med en tøjningshastighed i området 0,2 s'1 til 0,8 s'1, og som er tilstrækkelig til adiabatisk at opvarme et indre område af arbejdsemnet til 55,6 °C til 166,7 °C over smedetemperaturen for arbejdsemnet, at tillade det adiabatisk opvarmede indre område af arbejdsemnet at køle af til smedetemperaturen for arbejdsemnet, mens et ydre overfladeområde af arbejdsemnet opvarmes til smedetemperaturen for arbejdsemnet, at pressesmede arbejdsemnet ved smedetemperaturen for arbejdsemnet i retning af en anden vinkelret akse af arbejdsemnet med en tøjningshastighed i området 0,2 s'1 til 0,8 s'1, og som er tilstrækkelig til adiabatisk at opvarme et indre område af arbejdsemnet til 55,6 °C til 166,7 °C over smedetemperaturen for arbejdsemnet, at tillade det adiabatisk opvarmede indre område af arbejdsemnet at køle af til smedetemperaturen for arbejdsemnet, mens det ydre overfladeområde af arbejdsemnet opvarmes til smedetemperaturen for arbejdsemnet, at pressesmede arbejdsemnet ved smedetemperaturen for arbejdsemnet i retning af en tredje vinkelret akse af arbejdsemnet med en tøjningshastighed i området 0,2 s'1 til 0,8 s'1, og som er tilstrækkelig til adiabatisk at opvarme det indre område af arbejdsemnet til 55,6 °C til 166,7 °C over smedetemperaturen for arbejdsemnet, at tillade det adiabatisk opvarmede indre område af arbejdsemnet at køle af til smedetemperaturen for arbejdsemnet, mens det ydre overfladeområde af arbejdsemnet opvarmes til smedetemperaturen for arbejdsemnet, og at gentage mindst et af de foregående pressesmedningstrin, indtil der opnås en reel tøjning på mindst 3,5 i mindst et område af arbejdsemnet.
2. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet omfatter en titaniumle-gering udvalgt fra gruppen bestående af en alpha-titaniumlegering, en al-pha+beta-titaniumlegering, en metastabil beta-titaniumlegering og en beta-titaniumlegering.
3. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet omfatter en alpha+beta-titaniumlegering.
4. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet omfatter en titaniumle-gering udvalgt blandt titaniumlegeringer med ASTM-grad 5, 6, 12,19, 20, 21, 23, 24, 25, 29, 32, 35, 36 og 38.
5. Fremgangsmåde ifølge krav 1, hvor opvarmning af et arbejdsemne til en smedetemperatur for arbejdsemnet inden for et alpha+beta-faseområde af det metalliske materiale omfatter: at opvarme arbejdsemnet til en beta-gennemvarmningstemperatur for det metalliske materiale; at fastholde arbejdsemnet ved beta-gennemvarmningstemperaturen i en be-ta-gennemvarmningstid, der er tilstrækkelig til at danne en 100 % betafase-mikrostruktur i arbejdsemnet; og at afkøle arbejdsemnet til smedetemperaturen for arbejdsemnet.
6. Fremgangsmåde ifølge krav 5, hvor beta-gennemvarmningstemperaturen er i et temperaturområde fra og med beta transus-temperaturen af det metalliske materiale til og med 300 °F (111 °C) over beta transus-temperaturen af det metalliske materiale.
7. Fremgangsmåde ifølge krav 5, hvor beta-gennemvarmningstiden er fra 5 minutter til 24 timer.
8. Fremgangsmåde ifølge krav 5, yderligere omfattende plastisk deformation af arbejdsemnet ved en plastisk deformationstemperatur i beta-faseområdet af det metalliske materiale før afkøling af arbejdsemnet til smedetemperatu- ren for arbejdsemnet.
9. Fremgangsmåde ifølge krav 8, hvor plastisk deformation af arbejdsemnet ved en plastisk deformationstemperatur i beta-faseområdet af det metalliske materiale omfatter mindst en blandt trækning, stuksmedning og multiak-sesmedning af arbejdsemnet med høj tøjningshastighed.
10. Fremgangsmåde ifølge krav 8, hvor den plastiske deformationstemperatur er i et plastisk deformationstemperaturområde fra og med beta transus-temperaturen af det metalliske materiale til og med 300 °F (111 °C) over beta transus-temperaturen af det metalliske materiale.
11. Fremgangsmåde ifølge krav 8, hvor plastisk deformation af arbejdsemnet omfatter multiaksesmedning med høj tøjningshastighed, og hvor afkøling af arbejdsemnet til smedetemperaturen for arbejdsemnet yderligere omfatter multiaksesmedning af arbejdsemnet med høj tøjningshastighed, mens arbejdsemnet køler af til smedetemperaturen for arbejdsemnet i alpha+beta-faseområdet af det metalliske materiale.
12. Fremgangsmåde ifølge krav 8, hvor plastisk deformation af arbejdsemnet omfatter stuksvejsning af arbejdsemnet til en beta-stukkertøjning i området fra og med 0,1 til og med 0,5.
13. Fremgangsmåde ifølge krav 1, hvor det adiabatisk opvarmede indre område af arbejdsemnet tillades at afkøle i en afkølingstid for det indre område i området fra og med 5 sekunder til og med 120 sekunder.
14. Fremgangsmåde ifølge krav 1, yderligere omfattende at gentage et eller flere trin af pressesmednings- og tilladelsestrinnene ifølge krav 1, indtil der opnås en gennemsnitlig tøjning på 4,7 i arbejdsemnet.
15. Fremgangsmåde ifølge krav 1, hvor opvarmning af den ydre overflade af arbejdsemnet omfatter opvarmning under anvendelse af en eller flere blandt flammeopvarmning, kammerovnopvarmning, induktionsopvarmning og opvarmning ved strålevarme.
16. Fremgangsmåde ifølge krav 1, hvor en smedeesses matricer, der anvendes til at pressesmede arbejdsemnet, opvarmes til en temperatur i et temperaturområde fra og med smedetemperaturen for arbejdsemnet til og med 100 °F (55,6 °C) under smedetemperaturen for arbejdsemnet.
17. Fremgangsmåde ifølge krav 1, hvor gentagelsen omfatter at gentage pressesmednings- og tilladelsestrinnene ifølge krav 1 mindst 4 gange.
18. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet, efter at en gennemsnitlig tøjning på 3,7 er opnået, omfatter en gennemsnitlig alpha-partikelkornstørrelse i området fra og med 4 pm og til og med 6 pm.
19. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet, efter en gennemsnitlig tøjning på 4,7 er opnået, omfatter en gennemsnitlig alpha-partikelkornstørrelse på 4 pm.
20. Fremgangsmåde ifølge et hvilket som helst af kravene 18 og 19, hvor alpha-partikelkornene er ligeaksede efter fuldførelse af fremgangsmåden.
21. Fremgangsmåde ifølge krav 1, yderligere omfattende: at afkøle arbejdsemnet til en anden smedetemperatur for arbejdsemnet i al-pha+beta-faseområdet af det metalliske materiale; at pressesmede arbejdsemnet ved den anden smedetemperatur for arbejdsemnet i retning af en første vinkelret akse af arbejdsemnet med en tøjnings-hastighed, der er tilstrækkelig til adiabatisk at opvarme det indre område af arbejdsemnet; at tillade det adiabatisk opvarmede indre område af arbejdsemnet at køle af til den anden smedetemperatur for arbejdsemnet, mens det ydre overfladeområde af arbejdsemnet opvarmes til den anden smedetemperatur for arbejdsemnet; at pressesmede arbejdsemnet ved den anden smedetemperatur for arbejdsemnet i retning af en anden vinkelret akse af arbejdsemnet med en tøjnings-hastighed, der er tilstrækkelig til adiabatisk at opvarme det indre område af arbejdsemnet; at tillade det adiabatisk opvarmede indre område af arbejdsemnet at køle af til den anden smedetemperatur for arbejdsemnet, mens det ydre overflade område af arbejdsemnet opvarmes til den anden smedetemperatur for arbejdsemnet; at pressesmede arbejdsemnet ved den anden smedetemperatur for arbejdsemnet i retning af en tredje vinkelret akse af arbejdsemnet med en tøjnings-hastighed, der er tilstrækkelig til adiabatisk at opvarme det indre område af arbejdsemnet; at lade det adiabatisk opvarmede indre område af arbejdsemnet køle af til den anden smedetemperatur for arbejdsemnet, mens et ydre overfladeområde af arbejdsemnet opvarmes til den anden smedetemperatur for arbejdsemnet; og at gentage et eller flere af de foregående pressesmedningstrin og tilladelsestrin, indtil der opnås en reel tøjning på mindst 10 i mindst et område af arbejdsemnet.
22. Fremgangsmåde ifølge krav 1, hvor arbejdsemnet omfatter en metastabil beta-titaniumlegering.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/882,538 US8613818B2 (en) | 2010-09-15 | 2010-09-15 | Processing routes for titanium and titanium alloys |
PCT/US2011/048546 WO2012036841A1 (en) | 2010-09-15 | 2011-08-22 | Processing routes for titanium and titanium alloys |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2616563T3 true DK2616563T3 (da) | 2017-02-13 |
Family
ID=44545948
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK11752026.2T DK2616563T3 (da) | 2010-09-15 | 2011-08-22 | Forabejdningsmetoder for titanium og titaniumlegeringer |
DK14191903.5T DK2848708T3 (da) | 2010-09-15 | 2011-08-22 | Bearbejdningsveje for titanium og titaniumlegeringer |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK14191903.5T DK2848708T3 (da) | 2010-09-15 | 2011-08-22 | Bearbejdningsveje for titanium og titaniumlegeringer |
Country Status (20)
Country | Link |
---|---|
US (2) | US8613818B2 (da) |
EP (2) | EP2848708B1 (da) |
JP (1) | JP6109738B2 (da) |
KR (1) | KR101835908B1 (da) |
CN (2) | CN106834801B (da) |
AU (2) | AU2011302567B2 (da) |
BR (1) | BR112013005795B1 (da) |
CA (2) | CA2810388C (da) |
DK (2) | DK2616563T3 (da) |
ES (2) | ES2652295T3 (da) |
HU (2) | HUE031577T2 (da) |
IL (1) | IL225059A (da) |
MX (1) | MX2013002595A (da) |
NO (1) | NO2848708T3 (da) |
PL (2) | PL2848708T3 (da) |
PT (2) | PT2848708T (da) |
RU (1) | RU2581331C2 (da) |
TW (2) | TWI591194B (da) |
UA (1) | UA113149C2 (da) |
WO (1) | WO2012036841A1 (da) |
Families Citing this family (61)
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