CN116043067B - High-temperature alloy material and forming method thereof - Google Patents
High-temperature alloy material and forming method thereof Download PDFInfo
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- CN116043067B CN116043067B CN202211725566.1A CN202211725566A CN116043067B CN 116043067 B CN116043067 B CN 116043067B CN 202211725566 A CN202211725566 A CN 202211725566A CN 116043067 B CN116043067 B CN 116043067B
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- 239000000956 alloy Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 238000000137 annealing Methods 0.000 claims description 40
- 238000010622 cold drawing Methods 0.000 claims description 26
- 238000005096 rolling process Methods 0.000 claims description 20
- 229910000601 superalloy Inorganic materials 0.000 claims description 18
- 238000003723 Smelting Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 239000007888 film coating Substances 0.000 claims description 5
- 238000009501 film coating Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 238000005491 wire drawing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000000314 lubricant Substances 0.000 claims 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 229910052786 argon Inorganic materials 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 18
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- VRKNSQQFHRIXPD-UHFFFAOYSA-N chromium cobalt iron nickel Chemical compound [Fe][Ni][Cr][Co] VRKNSQQFHRIXPD-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 ti:0.5% 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
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- 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
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2200/00—Crystalline structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
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- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a novel high-temperature alloy material and a forming method thereof, belonging to the technical field of resistance wire and material processing for high-temperature heating equipment resistance; the high-temperature alloy material comprises the following components in parts by mass: ni:48.5% -58.5%, cr:40% -45%, cu:1% -4%, ti: 0.5-2%, C less than or equal to 0.06%, S less than or equal to 0.025%, P less than or equal to 0.025%, and the rest of impurity elements: less than or equal to 0.5 percent. The invention uses the novel method for forming the high-temperature alloy cold drawn wire to form the high-temperature alloy containing high-content Cr element; cu is added into the high-temperature alloy cold drawn wire, so that the oxidation resistance and corrosion resistance of the alloy material in the environment of air, ocean and the like are effectively improved.
Description
Technical Field
The invention belongs to the technical field of high-temperature heating equipment and material processing, and particularly relates to a high-temperature alloy material and a forming method thereof.
Background
The high-temperature alloy wire is made of the material arc micro-casting and forging composite additive, and has the advantages of high deposition efficiency, compact deposition, uniform composition and the like, and has important significance for manufacturing high-performance large-sized metal components with low cost and high efficiency. One of the keys of successfully preparing high-performance arc micro-casting and forging additive manufacturing superalloy components is the preparation of proper deformation superalloy wires.
The Chinese patent discloses a preparation method of a nickel-chromium-iron-cobalt-based deformed superalloy wire (application number: 202010267171.6), which comprises the following steps: alloy composition design of nickel-chromium-iron-cobalt-based deformation superalloy wire ：Ni：50.0～53.0％;Cr：17.0～21.0％;Fe：8.0～10.0％;Co：8.0～10.0％;Al：1.2～1.7％;Ti：0.5～1.0％;Nb：5.15～5.8％;W：1.0～1.5％;Mo：2.5～3.1％;C：0.01～0.025％;P：0.005～0.012％;B：0.004～0.006％;Si≤0.15％;Mn≤0.30％;S≤0.002％.
The Cr content of the above patent and the prior high temperature alloy is generally below 25%, and the Cr is mainly dissolved in the gamma phase matrix, thereby achieving the effect of solid solution strengthening. The increase of the Cr content can obviously improve the strength, hardness, heat treatment hardenability, corrosion resistance and the like of steel, but the excessive Cr content can lead to the rapid reduction of the plastic working performance of the material and easy occurrence of processing cracks, which leads to the difficulty of plastic working of alloy materials, low yield and the production technical problem of plastic working of high-temperature alloy with high Cr element content.
Disclosure of Invention
The invention provides a high-temperature alloy material with high Cr content and a forming method thereof aiming at the defects.
The invention aims at realizing the following steps: a superalloy material characterized by: the high-temperature alloy material comprises the following components in percentage by mass: ni:48.5 to 58.5 percent, 40 to 45 percent of Cr, 1 to 4 percent of Cu, 0.5 to 2 percent of Ti, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent, and the rest impurity elements: less than or equal to 0.5 percent.
Preferably, the high-temperature alloy material adopts 57 percent of Ni, 40 percent of Cr, 2.5 percent of Cu and Ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
Preferably, the high-temperature alloy material adopts Ni 55:42%, cr 42:2.5 percent, ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
Preferably, the high-temperature alloy material adopts Ni: 53, cr:44%, cu:2.5%, ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
A molding method of a high-temperature alloy material is characterized in that: the method comprises the following steps:
Step 1): preparation of raw materials
Taking materials according to mass percentages;
step 2): vacuum smelting
Smelting the taken material in a vacuum induction furnace to form a blank, wherein the smelting temperature is 1350-1450 ℃;
Step 3): electroslag remelting refining
Melting the blank by using resistance heat generated when current passes through slag, and solidifying and crystallizing to form a cylindrical ingot; refining temperature is 1250-1350 ℃;
Step 4): rolling into a circle
Carrying out continuous hot rolling on the cast ingot for 3-4 times;
Step 5): annealing
Annealing the hot rolled coil at 1020-1080 ℃ for 4-6 hours;
Step 6): acid washing
Carrying out acid washing treatment on the annealed wire rod;
Step 7): cold drawn yarn
Cold drawing the wire rod on a film coating machine, wherein the temperature of a wire drawing die is controlled to be 200-300 ℃; and finally, winding the wire product into a roll, packaging and warehousing.
Preferably, the specific operation of the pickling treatment in step 6) is as follows:
Soaking in 45-57% concentration sulfuric acid solution for 8-12 hr, and bleaching with 3-6% concentration nitric acid solution; finally, the mixture is washed clean by hot water at 60-80 ℃.
Preferably, the cold drawing in step 7) specifically includes the following steps:
step 7-1): the first cold drawing, the diameter of the wire is processed to 3.5-3.8 mm, continuous vacuum annealing treatment is directly carried out, the annealing temperature is 1020-1080 ℃, the annealing time is 2-3 minutes, and the continuous conveying speed of the wire is 3-5 m/s;
step 7-2): the second cold drawing, processing the diameter of the wire material to 2-2.5 mm, directly carrying out continuous vacuum annealing treatment, wherein the annealing temperature is 1020-1080 ℃, the annealing time is 1-2 minutes, and the continuous conveying speed of the wire material is 3-5 m/s;
step 7-3): and thirdly, cold drawing, namely processing the wire diameter to 1.2-1.4 mm, and continuously conveying the wire at a speed of 3-5 m/s.
Preferably, the preparation of the raw material in the step 1) is to take Ni:48.5 to 58.5 percent, 40 to 45 percent of Cr, 1 to 4 percent of Cu and 0.5 to 2 percent of Ti.
Preferably, in the step 4), the cast ingot is subjected to 3-4 times of continuous hot rolling, the total diameter reduction rate of the outer diameter of the hot continuous rolling is 70% -85%, the rolling temperature is controlled at 1250 ℃ -1350 ℃, the rolling speed is controlled at 20-30 m/s, and a coil with the diameter of 5.5-7 mm is formed.
Preferably, the wire in the step 7) is subjected to surface phosphating treatment before cold drawing, and lubricating oil is smeared on the surface.
The beneficial effects of the invention are as follows: 1. forming a high-temperature alloy containing Cr element with a high content by using a novel forming method of a high-temperature alloy cold drawn wire; cu is added into the high-temperature alloy cold drawn wire, so that the oxidation resistance and corrosion resistance of the alloy material in the environment of air, ocean and the like are effectively improved.
2. By adding a small amount of Ti element into the high-temperature alloy cold drawn wire, cu and Ni can form a solid solution, so that the high-temperature alloy cold drawn wire has a solid solution strengthening effect and improves the structural stability of the alloy material.
3. By adding a small amount of Ti element into the high-temperature alloy cold drawn wire, ti and Ni can form Ni 3 Ti precipitate phase (gamma'), which is often coherent with a matrix, thus playing a role in precipitation strengthening and improving the high-temperature strength and corrosion resistance of the alloy at high temperature.
Drawings
FIG. 1 is a view showing a metallographic structure of a transverse section of a superalloy cold drawn wire according to the present invention.
FIG. 2 is a view showing a metallographic structure of a longitudinal section of the superalloy cold drawn wire according to the present invention.
FIG. 3 is a graph showing a room temperature mechanical tensile property test sample of cold drawn wire.
Fig. 4 is a drawing of a cold drawn wire.
Detailed Description
The invention is further summarized below with reference to the drawings. In order to better illustrate the technical solution and the advantageous effects of the present invention, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, which are meant to illustrate the present invention, not to limit it.
Embodiment one:
A high-temperature alloy material comprises the following components in percentage by weight: 57% of Ni, 40% of Cr, 2.5% of Cu, ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
The forming method of the novel superalloy cold drawn wire according to the first embodiment is as follows:
Step 1): preparation of raw materials
Taking materials according to mass percentage, namely taking 57% of Ni, 40% of Cr, 2.5% of Cu and Ti:0.5%;
step 2): vacuum smelting
Smelting the taken material in a vacuum induction furnace to form a blank, wherein the smelting temperature is 1350-1450 ℃;
Step 3): electroslag remelting refining
Melting the blank by using resistance heat generated when current passes through slag, and solidifying and crystallizing to form a cylindrical ingot; refining temperature is 1250-1350 ℃; the diameter of the cast ingot is 140-160 mm, and the length is 520-580 mm;
Step 4): rolling into a circle
Carrying out continuous hot rolling on the cast ingot for 3-4 times; the section size of the cast ingot is continuously reduced, the length is increased, the total diameter reduction rate of the outer diameter of the hot continuous rolling is 70-85%, the rolling temperature is 1250-1350 ℃, the rolling speed is 20-30 m/s, and finally a coil with the diameter of 5.5-7 mm is formed;
Step 5): annealing
Annealing the hot rolled coil at 1020-1080 ℃ for 4-6 hours;
Step 6): acid washing
Carrying out acid washing treatment on the annealed wire rod; the pickling treatment specifically comprises the following steps:
Soaking in 45-57% concentration sulfuric acid solution for 8-12 hr, and bleaching with 3-6% concentration nitric acid solution; finally, washing with hot water at 60-80 ℃;
Step 7): cold drawn yarn
Carrying out surface phosphating treatment before cold drawing on the wire material each time, and coating lubricating oil on the surface; cold drawing the wire rod on a film coating machine, wherein the temperature of a wire drawing die is controlled to be 200-300 ℃;
step 7-1): the first cold drawing, the diameter of the wire is processed to 3.5-3.8 mm, continuous vacuum annealing treatment is directly carried out, the annealing temperature is 1020-1080 ℃, the annealing time is 2-3 minutes, and the continuous conveying speed of the wire is 3-5 m/s;
step 7-2): the second cold drawing, processing the diameter of the wire material to 2-2.5 mm, directly carrying out continuous vacuum annealing treatment, wherein the annealing temperature is 1020-1080 ℃, the annealing time is 1-2 minutes, and the continuous conveying speed of the wire material is 3-5 m/s;
step 7-3): and thirdly, cold drawing, namely processing the wire diameter to 1.2-1.4 mm, and continuously conveying the wire at a speed of 3-5 m/s. And finally, winding the wire product into a roll, packaging and warehousing.
Embodiment two:
A high-temperature alloy material comprises the following components in percentage by weight: ni:55%, cr:42%, cu:2.5%, ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
The forming method of the novel superalloy cold drawn wire in the second embodiment is as follows:
Step 1): preparation of raw materials
Taking materials according to mass percent, wherein Ni:55%, cr:42%, cu:2.5%, ti:0.5%;
step 2): vacuum smelting
Smelting the taken material in a vacuum induction furnace to form a blank, wherein the smelting temperature is 1350-1450 ℃;
Step 3): electroslag remelting refining
Melting the blank by using resistance heat generated when current passes through slag, and solidifying and crystallizing to form a cylindrical ingot; refining temperature is 1250-1350 ℃; the diameter of the cast ingot is 140-160 mm, and the length is 520-580 mm;
Step 4): rolling into a circle
Carrying out continuous hot rolling on the cast ingot for 3-4 times; the section size of the cast ingot is continuously reduced, the length is increased, the total diameter reduction rate of the outer diameter of the hot continuous rolling is 70-85%, the rolling temperature is 1250-1350 ℃, the rolling speed is 20-30 m/s, and finally a coil with the diameter of 5.5-7 mm is formed;
Step 5): annealing
Annealing the hot rolled coil at 1020-1080 ℃ for 4-6 hours;
Step 6): acid washing
Carrying out acid washing treatment on the annealed wire rod; the pickling treatment specifically comprises the following steps:
Soaking in 45-57% concentration sulfuric acid solution for 8-12 hr, and bleaching with 3-6% concentration nitric acid solution; finally, washing with hot water at 60-80 ℃;
Step 7): cold drawn yarn
Carrying out surface phosphating treatment before cold drawing on the wire material each time, and coating lubricating oil on the surface; cold drawing the wire rod on a film coating machine, wherein the temperature of a wire drawing die is controlled to be 200-300 ℃;
step 7-1): the first cold drawing, the diameter of the wire is processed to 3.5-3.8 mm, continuous vacuum annealing treatment is directly carried out, the annealing temperature is 1020-1080 ℃, the annealing time is 2-3 minutes, and the continuous conveying speed of the wire is 3-5 m/s;
step 7-2): the second cold drawing, processing the diameter of the wire material to 2-2.5 mm, directly carrying out continuous vacuum annealing treatment, wherein the annealing temperature is 1020-1080 ℃, the annealing time is 1-2 minutes, and the continuous conveying speed of the wire material is 3-5 m/s;
Step 7-3): thirdly, cold drawing, namely processing the diameter of the wire material to 1.2-1.4 mm, and continuously conveying the wire material at a speed of 3-5 m/s; and finally, winding the wire product into a roll, packaging and warehousing.
Embodiment III:
A high-temperature alloy material comprises the following components in percentage by weight: ni:53%, cr:44%, cu:2.5%, ti:0.5%, C: less than or equal to 0.06 percent, S: less than or equal to 0.025 percent, P: less than or equal to 0.025 percent.
The forming method of the novel superalloy cold drawn wire in the third embodiment is as follows:
Step 1): preparation of raw materials
Taking materials according to mass percent, and taking Ni:53%, cr:44%, cu:2.5%, ti:0.5%;
step 2): vacuum smelting
Smelting the taken material in a vacuum induction furnace to form a blank, wherein the smelting temperature is 1350-1450 ℃;
Step 3): electroslag remelting refining
Melting the blank by using resistance heat generated when current passes through slag, and solidifying and crystallizing to form a cylindrical ingot; refining temperature is 1250-1350 ℃; the diameter of the cast ingot is 140-160 mm, and the length is 520-580 mm;
Step 4): rolling into a circle
Carrying out continuous hot rolling on the cast ingot for 3-4 times; the section size of the cast ingot is continuously reduced, the length is increased, the total diameter reduction rate of the outer diameter of the hot continuous rolling is 70-85%, the rolling temperature is 1250-1350 ℃, the rolling speed is 20-30 m/s, and finally a coil with the diameter of 5.5-7 mm is formed;
Step 5): annealing
Annealing the hot rolled coil at 1020-1080 ℃ for 4-6 hours;
Step 6): acid washing
Carrying out acid washing treatment on the annealed wire rod; the pickling treatment specifically comprises the following steps:
Soaking in 45-57% concentration sulfuric acid solution for 8-12 hr, and bleaching with 3-6% concentration nitric acid solution; finally, washing with hot water at 60-80 ℃;
Step 7): cold drawn yarn
Carrying out surface phosphating treatment before cold drawing on the wire material each time, and coating lubricating oil on the surface; cold drawing the wire rod on a film coating machine, wherein the temperature of a wire drawing die is controlled to be 200-300 ℃;
step 7-1): the first cold drawing, the diameter of the wire is processed to 3.5-3.8 mm, continuous vacuum annealing treatment is directly carried out, the annealing temperature is 1020-1080 ℃, the annealing time is 2-3 minutes, and the continuous conveying speed of the wire is 3-5 m/s;
step 7-2): the second cold drawing, processing the diameter of the wire material to 2-2.5 mm, directly carrying out continuous vacuum annealing treatment, wherein the annealing temperature is 1020-1080 ℃, the annealing time is 1-2 minutes, and the continuous conveying speed of the wire material is 3-5 m/s;
Step 7-3): thirdly, cold drawing, namely processing the diameter of the wire material to 1.2-1.4 mm, and continuously conveying the wire material at a speed of 3-5 m/s; and finally, winding the wire product into a roll, packaging and warehousing.
Further, carrying out a temperature mechanical tensile property test on the high-temperature alloy cold drawn wire;
respectively placing the cold drawn wire formed by the embodiment, the cold drawn wire formed by the embodiment and the cold drawn wire formed by the embodiment three into a 30KN universal testing machine for testing the temperature mechanical tensile property, wherein the total length of a test sample is 100mm, the gauge length of the test sample is 30mm, and the loading speed is as follows: 2mm/min. Table 1 shows a comparison of cold drawn wire and room temperature tensile mechanical properties.
Table 1 shows the mechanical properties of cold drawn wire at room temperature
| Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | |
| Example 1 | 521 | 856 | 39.1 |
| Example two | 507 | 840 | 40.9 |
| Example III | 497 | 834 | 41.0 |
From the above table, it can be seen that: the ratio of Cr element in the high-temperature alloy cold drawn wire is in the range of 40-44%, the ratio of Ni element is in the range of 53-57%, and a slight increase in Cr content (decrease in Ni content) will result in a corresponding decrease in yield strength and tensile strength, while the elongation is slightly increased, but the overall performance of the alloy in the range of the alloy components is relatively stable.
As shown in fig. 1 and 2, the metallographic structure of the transverse section of the cold drawn wire is characterized by equiaxed grains, and the grain size is 5-15 microns; the longitudinal section grains are elongated in the axial direction and have an aspect ratio of between 2 and 4 microns.
The foregoing description is only illustrative of the invention and is not to be construed as limiting the invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.
Claims (7)
1. A method for forming a high-temperature alloy material is characterized in that: the method comprises the following steps:
Step 1): preparation of raw materials
Taking materials according to mass percentages;
The high-temperature alloy material comprises the following components in parts by mass: 48.5 to 58.5 percent of Ni, 40 to 45 percent of Cr, 1 to 4 percent of Cu, 0.5 to 2 percent of Ti, less than or equal to 0.06 percent of C, less than or equal to 0.025 percent of S, less than or equal to 0.025 percent of P, and less than or equal to 0.5 percent of other impurity elements;
step 2): vacuum smelting
Smelting the taken material in a vacuum induction furnace to form a blank, wherein the smelting temperature is 1350-1450 ℃; argon with the pressure of 0.05MPa is introduced in the smelting process;
Step 3): electroslag remelting refining
Melting the blank by using resistance heat generated when current passes through slag, and solidifying and crystallizing to form a cylindrical ingot; refining temperature is 1250-1350 ℃; the slag comprises the following components: 60% caf 2-12％CaO-22％Al2O3-3％MgO-3％TiO2;
Step 4): rolling into a circle
In the step 4), the cast ingot is subjected to 3-4 times of continuous hot rolling, the total diameter reduction rate of the outer diameter of the hot continuous rolling is 70% -85%, the rolling temperature is controlled at 1250 ℃ -1350 ℃, the rolling speed is controlled at 20-30 m/s, and a disc with the diameter of 5.5-7 mm is formed;
Step 5): annealing
Annealing the hot rolled coil at 1020-1080 ℃ for 4-6 hours;
Step 6): acid washing
Carrying out acid washing treatment on the annealed wire rod;
step 7): cold drawn filament
Step 7-1): the first cold drawing, the diameter of the wire is processed to 3.5-3.8 mm, continuous vacuum annealing treatment is directly carried out, the annealing temperature is 1020-1080 ℃, the annealing time is 2-3 minutes, and the continuous conveying speed of the wire is 3-5 m/s;
step 7-2): the second cold drawing, processing the diameter of the wire material to 2-2.5 mm, directly carrying out continuous vacuum annealing treatment, wherein the annealing temperature is 1020-1080 ℃, the annealing time is 1-2 minutes, and the continuous conveying speed of the wire material is 3-5 m/s;
Step 7-3): thirdly, cold drawing, namely processing the diameter of the wire material to 1.2-1.4 mm, and continuously conveying the wire material at a speed of 3-5 m/s;
Cold drawing the wire rod on a film coating machine, wherein the temperature of a wire drawing die is controlled to be 200-300 ℃; and finally, winding the wire product into a roll, packaging and warehousing.
2. The method for forming a superalloy material according to claim 1, wherein: the specific operation of the pickling treatment in the step 6) is as follows:
Soaking in 45-57% concentration sulfuric acid solution for 8-12 hr, and bleaching with 3-6% concentration nitric acid solution; finally, the mixture is washed clean by hot water at 60-80 ℃.
3. The method for forming a superalloy material according to claim 1, wherein: carrying out surface phosphating treatment before cold drawing on the wire in the step 7) each time, and coating a lubricant on the surface; the lubricant is 80% zinc stearate and 20% lime powder.
4. A superalloy material characterized by: the superalloy material is produced by a method for forming a superalloy material according to any of claims 1 to 3.
5. The novel superalloy material according to claim 4, wherein: the high-temperature alloy material comprises the following components in percentage by mass: 56.8%, cr:40%, cu:2.5%, ti:0.5 percent, less than or equal to 0.06 percent of C, less than or equal to 0.025 percent of S, less than or equal to 0.025 percent of P.
6. The novel superalloy material according to claim 4, wherein: the high-temperature alloy material comprises the following components in percentage by mass: 54.8%, cr:42%, cu:2.5%, ti:0.5 percent, less than or equal to 0.06 percent of C, less than or equal to 0.025 percent of S, less than or equal to 0.025 percent of P.
7. The novel superalloy material according to claim 4, wherein: the high-temperature alloy material comprises the following components in percentage by mass: 52.8%, cr:44%, cu:2.5%, ti:0.5 percent, less than or equal to 0.06 percent of C, less than or equal to 0.025 percent of S, less than or equal to 0.025 percent of P.
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