CN111485160B - High-wear-resistance dual-phase metal compound and preparation method thereof - Google Patents
High-wear-resistance dual-phase metal compound and preparation method thereof Download PDFInfo
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- 150000002736 metal compounds Chemical class 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 23
- 238000003723 Smelting Methods 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011812 mixed powder Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 38
- 229910052786 argon Inorganic materials 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 19
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 14
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 241001062472 Stokellia anisodon Species 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 10
- 239000000956 alloy Substances 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000006104 solid solution Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910001325 element alloy Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052699 polonium Inorganic materials 0.000 description 1
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- 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
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
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- C01G53/006—
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- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/058—Mixtures of metal powder with non-metallic powder by reaction sintering (i.e. gasless reaction starting from a mixture of solid metal compounds)
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
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Abstract
A high wear-resistant biphase metal compound and a preparation method thereof belong to the field of inorganic metal compound preparation, and the molecular formula of the compound is AlxCeyCuFeNiMnpOqZr, wherein x is more than or equal to 0.1 and less than or equal to 1.3; y is more than or equal to 0.1 and less than or equal to 1; p is more than or equal to 0.1 and less than or equal to 1.3; q is more than or equal to 0.1 and less than or equal to 0.5; 0.02 ≤ x/(x + y + p + q +4)<0.25；0.01≤y/(x+y+p+q+4)<0.18；0.02≤p/(x+y+p+q+4)<0.25；0.01≤q/(x+y+p+q+4)<0.10. The method comprises the following specific steps: weighing the required raw materials according to a chemical formula, placing the raw materials into a ball milling tank, adding a stainless steel ball, and sealing the ball milling tank in a protective gas environment; mixing materials on a planetary ball mill; putting the mixed powder into a graphite die, and carrying out warm pressing in a discharge plasma sintering furnace to form blocks; and putting the block body into a vacuum smelting furnace for smelting, carrying out vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound. The metal compound of the invention is a two-phase solid solution structure consisting of two simple cubic phases; the two-phase proportion can be regulated and controlled according to the performance requirement; the prepared alloy has high density, high hardness and high wear resistance; the uniformity of the components is good.
Description
Technical Field
The invention belongs to the field of preparation of inorganic metal compounds, and particularly relates to a high-wear-resistance two-phase metal compound AlxCeyCuFeNiMnpOqZr and a preparation method thereof.
Background
The metal compound (or called inorganic metal compound) is formed by combining a plurality of elements in the compound according to a certain stoichiometric ratio, the crystal structure of the formed metal compound is completely different from the crystal structure types of the constituent elements, the crystal structure of the metal compound is generally complex, the typical characteristic is that the crystal structure type of the metal compound is different from that of any constituent element, and the composition can be represented by a chemical formula rather than a composition. Metal compounds are important constituent phases of many alloys. The presence of metal compounds in conventional alloys generally increases the hardness and wear resistance of the alloy, but decreases the ductility and toughness. At the beginning of the 20 th century, the Ye project group and the Cantor project group in taiwan in the united kingdom each independently reported a novel multi-principal-element high-entropy alloy, which is significantly different from the conventional theory that hard and brittle intermetallic compounds are formed. Although the reported novel multi-principal element high-entropy alloys tend to form simple crystal structures, such as: face Centered Cubic (FCC), Body Centered Cubic (BCC), Hexagonal Close Packed (HCP), Simple Cubic (SC), etc.; but is distinguished from the space group or lattice constant of the Face Centered Cubic (FCC) metals (e.g., aluminum, copper, gold, silver, nickel, etc.), the Body Centered Cubic (BCC) metals (e.g., potassium, molybdenum, tungsten, etc.), the Hexagonal Close Packed (HCP) metals (e.g., magnesium, zinc, beryllium, etc.), the Simple Cubic (SC) metals (e.g., polonium is the only element with a simple cubic structure), and the distinction is made between the types of conventional alloys, i.e., between aluminum and copper belonging to the face centered cubic phase structure, and the distinction is made based on the crystal structure and the lattice constant of the conventional alloys and the high entropy alloy types. Formally based on the design concept of the novel metal compound, a small amount of non-metal elements are introduced to modify the metal compound, and the high-wear-resistance two-phase Al is designed and preparedxCeyCuFeNiMnpOqA Zr metal compound. The invention relates to high-wear-resistance biphase AlxCeyCuFeNiMnpOqThe Zr metal compound belongs to the invention patent of the compound with a typical novel crystal structure, but not the composition invention patent, and improves the hardness and the strength at the same timePlasticity and toughness. Therefore, the novel high-wear-resistance dual-phase metal compound with strong hardness and plasticity and toughness is designed and prepared, and has important practical significance and market prospect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-wear-resistance two-phase metal compound AlxCeyCuFeNiMnpOqZr and a preparation method thereof.
Al provided by the inventionxCeyCuFeNiMnpOqThe multi-principal-element alloy prepared by the vacuum melting method is a two-phase metal compound structure consisting of two simple cubic phases (SC1 and SC2), and the molecular formula of the multi-principal-element alloy is AlxCeyCuFeNiMnpOqZr; the two-phase proportion can be regulated and controlled according to the performance requirement; the prepared alloy has high density, high hardness and high wear resistance.
The technical scheme for realizing the invention is as follows: al (Al)xCeyCuFeNiMnpOqThe preparation method of the Zr metal compound is characterized by comprising the following specific steps:
(1) according to the chemical formula AlxCeyCuFeNiMnpOqZr, wherein x is more than or equal to 0.1 and less than or equal to 1.3; y is more than or equal to 0.1 and less than or equal to 1; p is more than or equal to 0.1 and less than or equal to 1.3; q is more than or equal to 0.1 and less than or equal to 0.5; 0.02 ≤ x/(x + y + p + q +4)<0.25；0.01≤y/(x+y+p+q+4)<0.18；0.02≤p/(x+y+p+q+4)<0.25；0.01≤q/(x+y+p+q+4)<0.10; respectively weighing the required pure metal powder and adding a proper amount of cerium dioxide according to the proportion of oxygen elements; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and sealing the ball milling tank under a protective gas environment;
(2) placing the ball milling tank sealed in the step (1) on a planetary ball mill for mixing;
(3) putting the fully mixed powder in the step (2) into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace;
(4) putting the block in the step (3) into a vacuum smelting furnace, and when the vacuum degree reaches 1 multiplied by 10-3After Pa, argon is filled in, andvacuumizing, repeatedly vacuumizing and filling argon for 3 times, then starting to smelt, repeatedly smelting for 3 times to ensure the uniformity of the material, carrying out vacuum suction casting in a water-cooled copper mold, and taking out a sample to obtain the target compound.
In the step (1), the purity of the metal powder is higher than 99.5%, and the purity of the cerium dioxide is higher than 99.9%.
And (2) the protective gas in the step (1) is argon or nitrogen.
And (3) mixing in the step (2) at the rotating speed of 30-100 rpm for 0.5-6 h.
The smelting process parameters in the step (4) are as follows: the current is 250-400A, and the action time is 30-120 s.
The invention has the beneficial effects that: the metal compound prepared by the method has the same proportioning components with the metal elements of the raw materials, and the phase structure of the metal compound is a two-phase metal compound structure consisting of two simple cubic phases; the two-phase proportion can be regulated and controlled according to the performance requirement; the prepared metal compound has high density, high hardness and high wear resistance; low cost and wide application range.
Drawings
FIG. 1 shows a high wear-resistant two-phase metal compound Al provided by the inventionxCeyCuFeNiMnpOqA process flow diagram of a preparation method of Zr;
FIG. 2 is an X-ray diffraction pattern of the metal compound prepared in example 1.
Detailed Description
The technical solution of the present invention is not limited to the specific embodiments listed below, and includes any combination of the specific embodiments.
Example 1
According to the chemical formula of AlCo0.1CuFeNiMnO0.1Respectively weighing 0.40mol of aluminum powder, copper powder, iron powder, nickel powder, manganese powder and zirconium powder, 0.02mol of cerium powder and 0.02mol of cerium dioxide by using Zr, wherein the purity of each metal powder is higher than 99.5 percent, and the purity of the cerium dioxide is higher than 99.9 percent; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and then sealing the ball milling tank under an argon environment; placing the sealed ball milling tank in a planetary ballMixing materials on a mill at the rotating speed of 30rpm for 6 hours; putting the fully mixed powder into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace; placing the block in a vacuum melting furnace, and when the vacuum degree reaches 1 × 10-3And Pa, introducing argon, vacuumizing again, repeatedly vacuumizing and introducing argon for 3 times, then starting smelting, wherein the current is 400A, the action time is 30s, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound.
Example 2
Is represented by the chemical formula Al1.3Ce0.1CuFeNiMn0.1O0.1Respectively weighing 0.52mol of aluminum powder, 0.40mol of copper powder, iron powder, nickel powder and zirconium powder, 0.02mol of cerium dioxide and 0.04mol of manganese powder by using Zr, wherein the purity of each metal powder is higher than 99.5 percent, and the purity of the cerium dioxide is higher than 99.9 percent; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and then sealing the ball milling tank under an argon environment; placing the sealed ball milling tank on a planetary ball mill for mixing materials, wherein the rotating speed is 50rpm, and the time is 3 hours; putting the fully mixed powder into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace; placing the block in a vacuum melting furnace, and when the vacuum degree reaches 1 × 10-3And Pa, introducing argon, vacuumizing again, repeatedly vacuumizing and introducing argon for 3 times, then starting smelting, wherein the current is 350A, the action time is 60s, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound.
Example 3
Is represented by the chemical formula Al0.1Ce0.1CuFeNiMn1.3O0.1Respectively weighing 0.04mol of aluminum powder, 0.40mol of copper powder, iron powder, nickel powder and zirconium powder, 0.02mol of cerium dioxide and 0.52mol of manganese powder by using Zr, wherein the purity of each metal powder is higher than 99.5 percent, and the purity of the cerium dioxide is higher than 99.9 percent; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and then sealing the ball milling tank under an argon environment; ball milling the sealed ballThe pot is placed on a planetary ball mill for mixing materials, the rotating speed is 100rpm, and the time is 0.5 h; putting the fully mixed powder into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace; placing the block in a vacuum melting furnace, and when the vacuum degree reaches 1 × 10-3And Pa, introducing argon, vacuumizing again, repeatedly vacuumizing and introducing argon for 3 times, then starting smelting, wherein the current is 250A, the action time is 120s, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound.
Example 4
Is represented by the chemical formula Al0.5CeCuFeNiMn0.5O0.1Respectively weighing 0.20mol of aluminum powder and manganese powder, 0.40mol of copper powder, iron powder, nickel powder and zirconium powder, 0.38mol of cerium powder and 0.02mol of cerium dioxide by using Zr, wherein the purity of each metal powder is higher than 99.5 percent, and the purity of the cerium dioxide is higher than 99.9 percent; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and sealing the ball milling tank in a nitrogen environment; placing the sealed ball milling tank on a planetary ball mill for mixing materials, wherein the rotating speed is 100rpm, and the time is 0.5 h; putting the fully mixed powder into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace; placing the block in a vacuum melting furnace, and when the vacuum degree reaches 1 × 10-3And Pa, introducing argon, vacuumizing again, repeatedly vacuumizing and introducing argon for 3 times, then starting smelting, wherein the current is 250A, the action time is 120s, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound.
Example 5
Is represented by the chemical formula Al0.5Ce0.3CuFeNiMn0.5O0.5Respectively weighing 0.20mol of aluminum powder and manganese powder, 0.40mol of copper powder, iron powder, nickel powder and zirconium powder, 0.02mol of cerium powder and 0.10mol of cerium dioxide by using Zr, wherein the purity of each metal powder is higher than 99.5 percent, and the purity of the cerium dioxide is higher than 99.9 percent; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and sealing the ball milling tank in a nitrogen environment; placing the sealed ball milling tankMixing materials on a planetary ball mill at the rotating speed of 50rpm for 3 hours; putting the fully mixed powder into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace; placing the block in a vacuum melting furnace, and when the vacuum degree reaches 1 × 10-3And Pa, introducing argon, vacuumizing again, repeatedly vacuumizing and introducing argon for 3 times, then starting smelting, wherein the current is 350A, the action time is 60s, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooling copper mold, and taking out a sample to obtain the target compound.
Claims (5)
1. A process for preparing high-antiwear biphase metal compound with Al as molecular formulaxCeyCuFeNiMnpOqZr which is a two-phase metal compound structure composed of two simple cubic phases, comprising the following steps:
step (1): according to the chemical formula AlxCeyCuFeNiMnpOqZr, wherein x is more than or equal to 0.1 and less than or equal to 1.3; y is more than or equal to 0.1 and less than or equal to 1; p is more than or equal to 0.1 and less than or equal to 1.3; q is more than or equal to 0.1 and less than or equal to 0.5; 0.02 ≤ x/(x + y + p + q +4)<0.25；0.01≤y/(x+y+p+q+4)<0.18；0.02≤p/(x+y+p+q+4)<0.25；0.01≤q/(x+y+p+q+4)<0.10; respectively weighing the required pure metal powder and adding a proper amount of cerium dioxide according to the proportion of oxygen elements; placing the raw material powder into a ball milling tank, adding a stainless steel ball, and sealing the ball milling tank under a protective gas environment;
step (2): placing the ball milling tank sealed in the step (1) on a planetary ball mill for mixing;
and (3): putting the fully mixed powder in the step (2) into a graphite die, and pressing the fully mixed powder into a block at 600 ℃ and 35MPa in a discharge plasma sintering furnace;
and (4): putting the block in the step (3) into a vacuum smelting furnace, and when the vacuum degree reaches 1 multiplied by 10-3And Pa, filling argon, vacuumizing again, repeatedly vacuumizing and filling argon for 3 times, then starting to smelt, repeatedly smelting for 3 times to ensure the uniformity of the material, performing vacuum suction casting in a water-cooled copper mold, and taking out a sample to obtain the target compound.
2. The method for preparing a high wear-resistant two-phase metal compound according to claim 1, wherein: in the step (1), the purity of the metal powder is higher than 99.5%, and the purity of the cerium dioxide is higher than 99.9%.
3. The method for preparing a high wear-resistant two-phase metal compound according to claim 1, wherein: and (2) the protective gas in the step (1) is argon or nitrogen.
4. The method for preparing a high wear-resistant two-phase metal compound according to claim 1, wherein: and (3) mixing in the step (2) at the rotating speed of 30-100 rpm for 0.5-6 h.
5. The method for preparing a high wear-resistant two-phase metal compound according to claim 1, wherein: the smelting process parameters in the step (4) are as follows: the current is 250-400A, and the action time is 30-120 s.
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| CN105714353B (en) * | 2016-02-02 | 2018-04-13 | 北京科技大学 | A kind of method in high-entropy alloy Surface Creation Nano tube of composite oxides array |
| CN106676522A (en) * | 2017-03-02 | 2017-05-17 | 中原工学院 | Multi-principal-element alloy material coating and preparation method thereof |
| CN108165868A (en) * | 2018-01-29 | 2018-06-15 | 中原工学院 | A kind of high-wear-resistancehigh-strength high-strength cutter multi-principal elements alloy and preparation method thereof |
| CN110747383B (en) * | 2019-12-10 | 2020-08-04 | 辽宁工业大学 | High-entropy alloy based on intermetallic compound and preparation method thereof |
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