DD231225A3 - USE OF A WARM-FORMABLE ESTABLISHABLE NICKEL ALLOY FOR HOT-BRAKE-RESISTANT HOT-WORKING TOOLS - Google Patents
USE OF A WARM-FORMABLE ESTABLISHABLE NICKEL ALLOY FOR HOT-BRAKE-RESISTANT HOT-WORKING TOOLS Download PDFInfo
- Publication number
- DD231225A3 DD231225A3 DD82246656A DD24665682A DD231225A3 DD 231225 A3 DD231225 A3 DD 231225A3 DD 82246656 A DD82246656 A DD 82246656A DD 24665682 A DD24665682 A DD 24665682A DD 231225 A3 DD231225 A3 DD 231225A3
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- hot
- alloys
- tungsten
- nickel
- tools
- Prior art date
Links
- 229910000990 Ni alloy Inorganic materials 0.000 title claims abstract description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 5
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims abstract 2
- 238000005555 metalworking Methods 0.000 claims abstract 2
- 230000035939 shock Effects 0.000 claims abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 239000010937 tungsten Substances 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 238000005275 alloying Methods 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000010955 niobium Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 150000001247 metal acetylides Chemical class 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 5
- 239000011651 chromium Substances 0.000 claims 3
- 239000002244 precipitate Substances 0.000 claims 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 2
- 238000007792 addition Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 claims 2
- 238000009826 distribution Methods 0.000 claims 2
- 208000035859 Drug effect increased Diseases 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000005299 abrasion Methods 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 238000009749 continuous casting Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000004881 precipitation hardening Methods 0.000 claims 1
- 229910000753 refractory alloy Inorganic materials 0.000 claims 1
- 229910001088 rené 41 Inorganic materials 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000006104 solid solution Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000035882 stress Effects 0.000 claims 1
- 238000005382 thermal cycling Methods 0.000 claims 1
- 238000003856 thermoforming Methods 0.000 claims 1
- 229910001347 Stellite Inorganic materials 0.000 abstract 1
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ATTFYOXEMHAYAX-UHFFFAOYSA-N magnesium nickel Chemical compound [Mg].[Ni] ATTFYOXEMHAYAX-UHFFFAOYSA-N 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
- Golf Clubs (AREA)
- Adornments (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Die Erfindung betrifft die Verwendung einer warmverformbaren aushaertbaren Nickellegierung fuer im Temperaturbereich von 650 bis 850C hochbelastbare Warmarbeitswerkzeuge in der metallurgischen und metallverarbeitenden Industrie. Es ist das Ziel der Erfindung gegenueber den bekannten technologischen Loesungen eine fuer warmverformbare aushaertbare Nickellegierungen erhoehte Warmverschleissbestaendigkeit der Warmarbeitswerkzeuge und dabei eine im Vergleich zu den CoCrW-Guss- oder Auftragsschweisslegierungen (Stellite) bessere Zaehig- und Temperaturwechselbestaendigkeit zu erreichen. Erfindungsgemaess wurde dies dadurch geloest, dass zu einer in der Zusammensetzung fixierten Nickellegierung mit Gehalten an W u. Mo 15 Gew.-% zur Gewaehrleistung der Warmverformbarkeit Rhenium von 0,05 bis 0,50 Gew.-% zulegiert wird. Ausgehaertet wird eine Haerte 450 HV garantiert. Kennzeichnende Anwendungen sind Schmiedesaettel, Warmscherenmesser und Warmarbeitswerkzeuge fuer Strangpressen.The invention relates to the use of a heat-deformable aushaertbaren nickel alloy for in the temperature range of 650 to 850C heavy-duty hot working tools in the metallurgical and metalworking industry. It is the object of the invention over the known technological solutions to increase the heat wear resistance of the hot working tools increased for thermoformable austenitizable nickel alloys and thereby to achieve better toughness and thermal shock resistance in comparison with the CoCrW cast or surfacing alloys (Stellite). According to the invention, this was achieved by adding to a nickel alloy fixed in the composition with contents of W u. Mo 15 wt .-% to guarantee the heat ductility rhenium from 0.05 to 0.50 wt .-% is alloyed. A Haerte 450 HV is guaranteed. Characteristic applications are forges, hot shear knives and hot working tools for extrusion presses.
Description
Der Erfindung liegt die Aufgabe zugrunde, eine warmverformbare, aushärtbare Nickellegierung für die Herstellung von warmverschleißbeständigen Warmarbeitswerkzeugen zu schaffen. Dabei soll die Härte der modifizierten Nickellegierung mindestens 450HV betragen.The invention has for its object to provide a thermoformable, hardenable nickel alloy for the production of hot wear resistant hot work tools. The hardness of the modified nickel alloy should be at least 450HV.
Erfindungsgemäß wurde dies dadurch gelöst, daß für die Herstellung der Warmarbeitswerkzeuge Nickellegierungen folgender Zusammensetzung verwendet werden:According to the invention, this has been achieved by using nickel alloys of the following composition for the production of the hot working tools:
55bis65Gew.-%Ni55bis65Gew .-% Ni
12bis25Gew.-%Cr12bis25Gew .-% Cr
5bis15Gew.-%W5bis15Gew .-% W
0bis15Gew.-%Co0bis15Gew .-% Co
3bis10Gew.-%Mo3bis10Gew .-% Mo
1,5bis5Gew.-%Ti1,5bis5Gew .-% Ti
0bis5Gew.-%Nb0bis5Gew .-% Nb
1 bis 3,5 Gew.-% Al1 to 3.5% by weight of Al
0,15bis0,5Gew.-%V0,15bis0,5Gew .-% V
0 bis 0,5 Gew.-% Si 0 to 0.5% by weight of Si
0,10 bis 0,5 Gew.-% Mn0.10 to 0.5% by weight of Mn
0,8 bis 0,20 Gew.-% C0.8 to 0.20% by weight of C
0,001 bis 0,020 Gew.-% Mg0.001 to 0.020 wt% Mg
0,001 bis 0,020 Gew.-% Ce0.001 to 0.020% by weight of Ce
0,001 bis 0,015 Gew.-% B0.001 to 0.015% by weight B
0,01 +(6,5x N)Gew.-%Zr0.01 + (6.5xN) wt% Zr
sowie legierungsbedingte Verunreinigungen. Dabei werden zur Gewährleistung der Warmverformbarkeit der Werkzeuge mit Gehalten von (W + Mo) S 15 Gew.-% und einer Härte von ä 450 HV 0,05 bis 0,50 Gew.-% Rhenium zulegiert. Die Erhöhung der Anwendungstemperatur, der Härte und Warmfestigkeit sowie Beständigkeit gegenüber thermischer Ermüdung durch Wolfram + Molybdängehalte über 15 Gew.-% erklärt sich aus der Eigenschaft dieser mischkristallverfestigenden Legierungselemente in Abstimmung mit dem Kobaltgehalt, die Kohärenz zwischen Ni3 (Ti,AI)-Ausscheidung und Matrix zu verbessern, die Stabilität der intermetallischen y'-Phase durch den Einbau von Wolframatomen und gleichzeitig den Anteil an M6C-Carbiden zu erhöhen. Durch Modifizierung der NiCrCoWMoTiAIV-Legierung mit Rhenium von 0,05 bis 0,5 Gew.-% ist es bei gleichzeitiger Anwendung von Nickel-Magnesium, Ferro-Bor, Zer-Mischmetall und Zirkon gelungen, die Warmverformbarkeit dieses Legierungstyps selbst bei Gehalten von (W + Mo) S15 Gew.-%zu gewährleisten. Es wurde eine Verfeinerung der MikroStruktur und eine Verringerung des Steigerungsverhaltens von Wolfram und Molybdän nachgewiesen, wodurch außer einer günstigeren Warmverformbarkeit auch die der Kohärenz zwischen der intermetallischen Ausscheidungsphase (γ' und der Matrix (γ) verbessert werden konnte. Die Minimierung der Warmrißanfälligkeit und die Erweiterung der Warmverformbarkeit im Zusammenhang mit erhöhten Wolfram-, Molybdän-, Titan- und Aluminiumgehalten wird dadurch erreicht, daß infolge einer wesentlich verfeinerten MikroStruktur und der Vergrößerung des Korngrenzvolumens der schädigende Einfluß der nicht völlig vermeidbaren Verunreinigungen wie z. B. Pb, Sb, Bi, Te usw. verringert wird.as well as alloy-related impurities. In this case, in order to ensure the hot workability of the tools with contents of (W + Mo) S 15% by weight and a hardness of 450 HV, 0.05 to 0.50% by weight of rhenium are added. The increase of the application temperature, the hardness and heat resistance as well as resistance to thermal fatigue by tungsten + molybdenum contents over 15 wt .-% is explained by the property of these mixed crystal strengthening alloying elements in agreement with the cobalt content, the coherence between Ni 3 (Ti, Al) -excretion and matrix to improve the stability of the intermetallic y 'phase by the incorporation of tungsten atoms and at the same time the proportion of M 6 C carbides. By modifying the NiCrCoWMoTiAIV alloy with rhenium from 0.05 to 0.5 wt.%, It has been possible, with simultaneous use of nickel magnesium, ferro-boron, zer-mischmetal and zirconium, to determine the hot workability of this alloy type even at levels of ( W + Mo) S15% by weight. A refinement of the microstructure and a reduction in the increase behavior of tungsten and molybdenum has been demonstrated, which, in addition to a more favorable hot workability, could also improve the coherence between the intermetallic precipitation phase (γ ' and the matrix (γ).) Minimization of hot crack susceptibility and expansion the hot workability in connection with increased tungsten, molybdenum, titanium and aluminum contents is achieved in that due to a much more refined microstructure and the increase of the grain boundary volume of the damaging influence of not completely avoidable impurities such as Pb, Sb, Bi, Te, etc. is reduced.
Die Erfindung soll nachstehend anhand von Ausführungsbeispielen näher erläutert werden. In Tabelle 1 ist die chemische Zusammensetzung der untersuchten Legierungen aufgeführt. Die Aufbauschmelzen wurden in einem Mittelfrequenz-Induktionsofen durchgeführt und die Abschmelzstäbe steigend abgegossen. Während die Schmelzen A und B ohne Zulegieren im Elektronenstrahl-Mehrkammerofen umgeschmolzen wurden, erfolgte das Zulegieren von Titan, Aluminium und Rhenium zu Anteilen über 70% im Elektronenstrahl-Mehrkammerofen bei der Legierung C. Nach der Blockbearbeitung erfolgte die Warmverformung durch Freiformschmieden im Schmiedetemperaturbereich von 1180 bis 1 050°C. In Tabelle 2 sind die Ergebnisse der Härteprüfungen HV10 nach dem Aushärten bei 750,800 und 850°C in Abhängigkeit von der Aushärtezeit bis 100 bzw. 1 000 Stunden dargestellt.The invention will be explained below with reference to exemplary embodiments. Table 1 lists the chemical composition of the alloys tested. The construction melts were carried out in a medium frequency induction furnace and the Abschmelzstäbe poured downhill. While the melts A and B were remelted without alloying in the electron beam multi-chamber furnace, the alloying of titanium, aluminum and rhenium to proportions above 70% in the electron beam multi-chamber furnace at the alloy C. After the block processing, the hot deformation was carried out by Smith forging in the forging temperature range of 1180 up to 1050 ° C. Table 2 shows the hardness test results HV10 after curing at 750.800 and 850 ° C depending on the curing time up to 100 and 1000 hours, respectively.
Aushärteverhalten der lösungsgeglühten (1160°C/4 h/Luft), LegierungenCuring behavior of solution-annealed (1160 ° C / 4 h / air), alloys
Claims (1)
12 bis 25 Gew.-% CrUse of a thermoformable age-hardenable nickel alloy for heat resistant hot-working tools in the range 650-850 0 C, characterized in that the alloy has the composition 55bis65Gew .-% Ni
12 to 25 wt.% Cr
1,5bis5Gew.-%Ti
0bis5Gew.-%Nb
1 bis 3,5 Gew.-% Al
0,15bis0,5Gew.-%V
0 bis 0,5 Gew.-% Si
0,10bis0,5Gew.-%Mn
0,08 bis 0,20 Gew.-% C
0,001 bis 0,020 Gew.-% Mg
0,001 bis 0,020 Gew.-% Ce
0,001 bis0,015Gew.-%B
0,01 + (6,5xN)Gew.-%Zr3bis10Gew .-% Mo
1,5bis5Gew .-% Ti
0bis5Gew .-% Nb
1 to 3.5% by weight of Al
0,15bis0,5Gew .-% V
0 to 0.5% by weight of Si
0,10bis0,5Gew .-% Mn
0.08 to 0.20 wt.% C
0.001 to 0.020 wt% Mg
0.001 to 0.020% by weight of Ce
0.001 to 0.015 wt% B
0.01 + (6.5xN) wt% Zr
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD82246656A DD231225A3 (en) | 1982-12-28 | 1982-12-28 | USE OF A WARM-FORMABLE ESTABLISHABLE NICKEL ALLOY FOR HOT-BRAKE-RESISTANT HOT-WORKING TOOLS |
DE3333774A DE3333774A1 (en) | 1982-12-28 | 1983-09-19 | Use of a hot-formable hardenable nickel alloy for hot wear-resistant hot-working tools |
AT0340083A AT378006B (en) | 1982-12-28 | 1983-09-23 | USE OF A HOT-DEFORMABLE CURABLE NICKEL ALLOY FOR HEAT-WEAR-RESISTANT HOT WORK TOOLS |
CS838996A CS251680B1 (en) | 1982-12-28 | 1983-12-01 | Hot formable nickle disperse hardenable alloy for hot forming tools |
IT8349449A IT1234926B (en) | 1982-12-28 | 1983-12-06 | Hot workable age-hardenable nickel alloy |
FR8320129A FR2538411B1 (en) | 1982-12-28 | 1983-12-15 | USE OF A HOT-FORMABLE AND CURABLE NICKEL ALLOY FOR HOT-WORK-RESISTANT HOT WORKING TOOLS |
HU834503A HU191913B (en) | 1982-12-28 | 1983-12-28 | Nickel alloy suitable for the preparation of hot-formed, hardenable tools resistant to heat-caused wear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD82246656A DD231225A3 (en) | 1982-12-28 | 1982-12-28 | USE OF A WARM-FORMABLE ESTABLISHABLE NICKEL ALLOY FOR HOT-BRAKE-RESISTANT HOT-WORKING TOOLS |
Publications (1)
Publication Number | Publication Date |
---|---|
DD231225A3 true DD231225A3 (en) | 1985-12-24 |
Family
ID=5543908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD82246656A DD231225A3 (en) | 1982-12-28 | 1982-12-28 | USE OF A WARM-FORMABLE ESTABLISHABLE NICKEL ALLOY FOR HOT-BRAKE-RESISTANT HOT-WORKING TOOLS |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT378006B (en) |
CS (1) | CS251680B1 (en) |
DD (1) | DD231225A3 (en) |
DE (1) | DE3333774A1 (en) |
FR (1) | FR2538411B1 (en) |
HU (1) | HU191913B (en) |
IT (1) | IT1234926B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT133489B (en) * | 1930-10-21 | 1933-05-26 | Siemens Ag | Nickel alloy. |
GB853468A (en) * | 1955-11-19 | 1960-11-09 | William Jessop And Sons Ltd | Improvements in or relating to nickel-chromium-cobalt alloys |
US3619183A (en) * | 1968-03-21 | 1971-11-09 | Int Nickel Co | Nickel-base alloys adaptable for use as steam turbine structural components |
US3869284A (en) * | 1973-04-02 | 1975-03-04 | French Baldwin J | High temperature alloys |
-
1982
- 1982-12-28 DD DD82246656A patent/DD231225A3/en not_active IP Right Cessation
-
1983
- 1983-09-19 DE DE3333774A patent/DE3333774A1/en active Granted
- 1983-09-23 AT AT0340083A patent/AT378006B/en not_active IP Right Cessation
- 1983-12-01 CS CS838996A patent/CS251680B1/en unknown
- 1983-12-06 IT IT8349449A patent/IT1234926B/en active
- 1983-12-15 FR FR8320129A patent/FR2538411B1/en not_active Expired
- 1983-12-28 HU HU834503A patent/HU191913B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT8349449A0 (en) | 1983-12-06 |
DE3333774C2 (en) | 1989-02-02 |
AT378006B (en) | 1985-06-10 |
FR2538411A1 (en) | 1984-06-29 |
ATA340083A (en) | 1984-10-15 |
HU191913B (en) | 1987-04-28 |
IT1234926B (en) | 1992-06-02 |
CS251680B1 (en) | 1987-07-16 |
DE3333774A1 (en) | 1984-07-05 |
FR2538411B1 (en) | 1987-02-27 |
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