CN113930694B - Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof - Google Patents
Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof Download PDFInfo
- Publication number
- CN113930694B CN113930694B CN202111270217.0A CN202111270217A CN113930694B CN 113930694 B CN113930694 B CN 113930694B CN 202111270217 A CN202111270217 A CN 202111270217A CN 113930694 B CN113930694 B CN 113930694B
- Authority
- CN
- China
- Prior art keywords
- alloy
- amorphous alloy
- bulk amorphous
- equal
- rare earth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
-
- 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
- C22C1/11—Making amorphous alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of amorphous alloy, and particularly relates to a rare earth element modified and enhanced blockAmorphous alloy and preparation method and application thereof; the rare earth element modified and enhanced bulk amorphous alloy has the atomic percentage expression as follows: al (Al) a ETM b Ni c Cu d Ce e (ii) a Wherein ETM is one or more of groups IVB-VIIB; a is more than or equal to 23 and less than or equal to 25; b is more than or equal to 45 and less than or equal to 48; d is more than or equal to 20 and less than or equal to 24; d/c is more than or equal to 3.33 and less than or equal to 6.00; and e is more than or equal to 1 and less than or equal to 10. According to the rare earth element modified and reinforced bulk amorphous alloy, on the premise of maintaining high content of Al element, the composition of the series of alloys contains a large amount of Al element, so that the weight reduction effect of the alloy is facilitated; the content ratio d/c of Cu and Ni is set to be 3.33-6.00, so that the content of Ni element is relatively low, and the integral melting point of the alloy is reduced.
Description
Technical Field
The invention belongs to the technical field of amorphous alloys, and particularly relates to a rare earth element modified and enhanced bulk amorphous alloy and a preparation method and application thereof.
Background
The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after cooling, the casting is subjected to subsequent processing means such as grinding and the like, so that the object with certain shape, size and performance is obtained.
China is a large casting production country, and castings in China are seriously overproduced, but the serious overproduction of the castings in China means that the productivity of low-end castings in China is excessive, and the production of middle-end and high-end castings in China hardly meets the market demand, so that the requirement of the casting industry in China on converting the productivity of the low-end castings into the productivity of high-end castings is met, and the development of the casting industry in China is improved.
The amorphous alloy can be used for processing a high-precision defect-free micro gear transmission mechanism by utilizing the characteristic of an amorphous structure of the amorphous alloy; the high hardness and high wear resistance can be used for manufacturing hydraulic oil cylinders, pistons and other wear-resistant parts in automobile engines, and the service life of the automobile engine can be greatly prolonged.
Disclosure of Invention
The invention provides a rare earth element modified and enhanced bulk amorphous alloy, and a preparation method and application thereof.
In order to solve the technical problem, the invention provides a rare earth element modified and enhanced blockThe amorphous alloy comprises the following atomic percentage expressions: al (Al) a ETM b Ni c Cu d Ce e (ii) a Wherein ETM is one or more of groups IVB-VIIB; a is more than or equal to 23 and less than or equal to 25; b is more than or equal to 45 and less than or equal to 48; d is more than or equal to 20 and less than or equal to 24; d/c is more than or equal to 3.33 and less than or equal to 6.00; and e is more than or equal to 1 and less than or equal to 10.
In another aspect, the present invention further provides a method for preparing a rare earth element modified and reinforced bulk amorphous alloy, comprising the following steps: stacking the metal raw materials in a smelting device in sequence from high melting point to low melting point, and smelting to obtain alloy ingots; and die-casting the alloy ingot to obtain the rare earth element modified and enhanced bulk amorphous alloy.
In a third aspect, the invention also provides an application of the rare earth element modified and enhanced bulk amorphous alloy in precision castings.
The rare earth element modified and reinforced bulk amorphous alloy has the beneficial effects that on the premise of maintaining high content of Al element, the composition of the series of alloys contains a large amount of Al element, which is beneficial to the weight reduction effect of the alloy; setting the content ratio d/c of Cu and Ni between 3.33 and 6.00 to ensure that the content of Ni element is relatively low, thereby reducing the integral melting point of the alloy; because the components of the series of amorphous alloys do not contain Be element, the series of amorphous alloys have good biocompatibility and meet the production and use requirements of safety and environmental protection, and the series of amorphous alloys contribute to the effects of energy conservation and emission reduction of industrial production, the service life of a die and the like, and can directly and indirectly create economic benefits.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an XRD pattern of amorphous alloy prepared in preferred embodiments 1 to 3 of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a rare earth element modified and reinforced bulk amorphous alloy, which has the atomic percentage expression as follows: al (aluminum) a ETM b Ni c Cu d Ce e (ii) a Wherein ETM (early Transition Metal) is one or more of groups IVB-VIIB; a is more than or equal to 23 and less than or equal to 25; b is more than or equal to 45 and less than or equal to 48; d is more than or equal to 20 and less than or equal to 24; d/c is more than or equal to 3.33 and less than or equal to 6.00; and e is more than or equal to 1 and less than or equal to 10.
Specifically, the rare earth element modified and reinforced bulk amorphous alloy contains a large amount of Al element in the composition of the series of alloys on the premise of maintaining the high content of the Al element, and contributes to the weight reduction effect of the alloys; setting the content ratio d/c of Cu and Ni between 3.33 and 6.00 to relatively lower the content of Ni element, thereby reducing the integral melting point of the alloy; because the components of the series of amorphous alloys do not contain Be element, the series of amorphous alloys have good biocompatibility and meet the production and use requirements of safety and environmental protection, and the series of amorphous alloys contribute to the effects of energy conservation and emission reduction of industrial production, the service life of a die and the like, and can directly and indirectly create economic benefits.
Wherein, optionally, the ETM may be but is not limited to at least one of Ti, Zr, Hf, Nb.
Optionally, the melting point of the bulk amorphous alloy does not exceed 750 ℃.
Specifically, the melting point of the series of amorphous alloys is low, generally not exceeding 750 ℃, because the melting point of the rare earth element Ce is low, and the content of the Ni element is low.
Optionally, the critical dimension of the bulk amorphous alloy is not less than 5 mm.
Specifically, the series of amorphous alloys form 20-face cluster units through Al atoms, are modified and enhanced through rare earth Ce elements, have strong amorphous forming capacity, and can be used for preparing bulk amorphous alloys with the critical dimension not less than 5mm by adopting a water-cooling copper die casting method.
Optionally, the yield strength of the bulk amorphous alloy is not lower than 950MPa during stretching.
Specifically, due to the modification and enhancement effects of the rare earth elements, the series of alloys have excellent mechanical properties, such as yield strength not lower than 950MPa in stretching.
Further, the invention also provides a preparation method of the rare earth element modified and enhanced bulk amorphous alloy, which comprises the following steps: stacking the metal raw materials in a smelting device in sequence from high melting point to low melting point, and smelting to obtain alloy ingots; and die-casting the alloy ingot to obtain the rare earth element modified and enhanced bulk amorphous alloy.
Specifically, removing oxide skins on the surfaces of the raw materials, cleaning the raw materials by using industrial ethanol, and weighing the raw materials according to the respective required mass; sequentially stacking the metal raw materials with the surface oxidation removed in a vacuum arc furnace or a cold crucible suspension furnace or a vacuum induction furnace according to the sequence of the melting point, and smelting after the correctness is confirmed, and obtaining an alloy ingot after the master alloy is fully and uniformly smelted; and (3) using vacuum die casting equipment, and finally pressing the alloy cast ingot into water-cooled copper molds with different sizes to obtain the block amorphous alloy.
Furthermore, the rare earth element modified and enhanced bulk amorphous alloy provided by the invention is suitable for being applied to the field of precision castings.
Example 1
The composition of the bulk amorphous alloy prepared in this example 1 is: al (Al) 24 Hf 14 Ti 31 Ni 6 Cu 20 Ce 5 The preparation method comprises the following steps:
weighing the components according to a proportion, sequentially putting Al, Cu, Ni, Ti and Hf into a vacuum arc melting furnace, putting Ce in the middle, vacuumizing to below 0.1Pa, and then introducing argon of 0.5Pa and striking an arc for melting; after the alloy is melted and solidified, turning over and continuing arc striking and smelting, and repeating for two to three times until the alloy is homogenized; and taking out the alloy ingot, melting the alloy ingot in a die casting machine, and pressing the melted alloy ingot into a water-cooling copper mold with the diameter of 5mm to obtain the bulk amorphous alloy rod. After the amorphous bar is processed into a tensile sample, a tensile test is carried out, and the test result shows that the yield strength is 1007 MPa; after the amorphous bar is tested by a differential thermal scanner, the melting point of the amorphous bar is known to be 741 ℃.
Example 2
The composition of the bulk amorphous alloy prepared in this example 2 is: al (aluminum) 25 Hf 13 Ti 33 Ni 5 Cu 22 Ce 2 The preparation method comprises the following steps:
weighing the components in proportion, sequentially putting Al, Cu, Ni, Ti and Hf into a vacuum arc melting furnace, putting Ce in the middle, vacuumizing to below 0.1Pa, and then introducing argon of 0.5Pa and striking an arc for melting; after the alloy is melted and solidified, turning over and continuing arc striking and smelting, and repeating for two to three times until the alloy is homogenized; and taking out the alloy ingot, melting the alloy ingot in a die casting machine, and pressing the melted alloy ingot into a water-cooling copper mold with the diameter of 5mm to obtain the block amorphous alloy rod. After the amorphous bar is processed into a tensile sample, a tensile test is carried out, and the test result shows that the yield strength of the amorphous bar is 985 MPa; the amorphous rod was measured by differential thermal scanner and found to have a melting point of 717 ℃.
Example 3
The composition of the bulk amorphous alloy prepared in this example 3 is as follows: al (aluminum) 23 Hf 13 Ti 35 Ni 4 Cu 24 Ce 1 The preparation method comprises the following steps:
weighing the components in proportion, sequentially putting Al, Cu, Ni, Ti and Hf into a vacuum arc melting furnace, putting Ce in the middle, vacuumizing to below 0.1Pa, and then introducing argon of 0.5Pa and striking an arc for melting; after the alloy is melted and solidified, turning over and continuing arc striking and smelting, and repeating for two to three times until the alloy is homogenized; taking out the alloy ingot, melting the alloy ingot in a die casting machine, and pressing the melted alloy ingot into a water-cooling copper mold with the diameter of 7mm to obtain a block amorphous alloy rod; after the amorphous bar is processed into a tensile sample, a tensile test is carried out, and the test result shows that the yield strength of the amorphous bar is 961 MPa; after being tested by a differential thermal scanner, the melting point of the amorphous bar is known to be 693 ℃.
Comparative example 1
The composition of the block alloy prepared in this comparative example 1 was: al (aluminum) 26 Hf 17 Ti 32 Ni 7 Cu 18 The preparation method comprises the following steps:
weighing the components in proportion, sequentially putting Al, Cu, Ni, Ti and Hf into a vacuum arc melting furnace, vacuumizing to below 0.1Pa, and then introducing argon of 0.5Pa and striking an arc for melting; after the alloy is melted and solidified, turning over and continuing arc striking and smelting, and repeating for two to three times until the alloy is homogenized; and taking out the alloy ingot, melting the alloy ingot in a die casting machine, pressing the melted alloy ingot into a water-cooling copper mold to obtain a block alloy rod with the thickness of only 3mm, and generating a severe crystallization phenomenon. After the alloy bar is processed into a tensile sample, a tensile test is carried out, and the test result shows that the yield strength is 563 MPa; after the alloy bar is tested by a differential thermal scanner, the melting point of the alloy bar is known to be 797 ℃.
After performance testing of the alloy rods prepared in each of the examples and comparative examples, the data are summarized in Table 1.
TABLE 1 Performance data for alloy bars prepared in each of the examples and comparative examples
| Forming ability (mm) | Yield strength (MPa) | Melting Point (. degree.C.) | |
| Example 1 | 5 (partial crystallization) | 1007 | 741 |
| Example 2 | 5 | 985 | 717 |
| Example 3 | 7 | 961 | 693 |
| Comparative example 1 | Severe crystallization | 563 | 797 |
As can be seen from fig. 1 and the data in table 1, wherein three curves a, b, and c in fig. 1 are XRD curves of the alloy rods in examples 1 to 3, respectively, the bulk amorphous alloy rod with better forming ability is obtained in each example; in contrast, in the alloy bar prepared in the comparative example 1, the d/c values of Cu and Ni in the alloy are 2.57, and no rare earth element is modified and enhanced, so that the amorphous forming capability of the alloy is seriously deteriorated, the prepared alloy bar is seriously crystallized, the mechanical property of the alloy is seriously damaged, and the melting point is correspondingly higher.
In conclusion, the rare earth element modified and reinforced bulk amorphous alloy contains a large amount of Al element in the composition of the series of alloys on the premise of maintaining the high content of the Al element, thereby being beneficial to the weight reduction effect of the alloy; setting the content ratio d/c of Cu and Ni between 3.33 and 6.00 to ensure that the content of Ni element is relatively low, thereby reducing the integral melting point of the alloy; because the components of the series of amorphous alloys do not contain Be element, the series of amorphous alloys have good biocompatibility and meet the production and use requirements of safety and environmental protection, and the series of amorphous alloys contribute to the effects of energy conservation and emission reduction of industrial production, the service life of a die and the like, and can directly and indirectly create economic benefits.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A rare earth element modified and enhanced bulk amorphous alloy is characterized in that the atomic percentage expression is as follows:
Al 24 Hf 14 Ti 31 Ni 6 Cu 20 Ce 5 (ii) a Or
Al 25 Hf 13 Ti 33 Ni 5 Cu 22 Ce 2 (ii) a Or
Al 23 Hf 13 Ti 35 Ni 4 Cu 24 Ce 1 ；
The melting point of the block amorphous alloy is not more than 750 ℃;
the preparation method of the bulk amorphous alloy comprises the following steps:
stacking all metal raw materials in a smelting device in sequence from high melting point to low melting point, and smelting to obtain alloy cast ingots;
and die-casting the alloy ingot to obtain the rare earth element modified and enhanced bulk amorphous alloy.
2. The bulk amorphous alloy according to claim 1,
the critical dimension of the bulk amorphous alloy is not less than 5 mm.
3. The bulk amorphous alloy of claim 1,
the yield strength of the bulk amorphous alloy is not lower than 950MPa when the bulk amorphous alloy is stretched.
4. A method for preparing the rare earth element modified reinforced bulk amorphous alloy according to claim 1, comprising the steps of:
stacking the metal raw materials as defined in claim 1 in a smelting device in sequence from high melting point to low melting point for smelting to obtain alloy ingots;
and die-casting the alloy ingot to obtain the rare earth element modified and enhanced bulk amorphous alloy.
5. The method according to claim 4,
and the die-casting die for die-casting the alloy ingot is a water-cooling copper die.
6. Use of the rare earth modified reinforced bulk amorphous alloy according to any one of claims 1 to 3 in precision casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270217.0A CN113930694B (en) | 2021-10-29 | 2021-10-29 | Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270217.0A CN113930694B (en) | 2021-10-29 | 2021-10-29 | Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113930694A CN113930694A (en) | 2022-01-14 |
| CN113930694B true CN113930694B (en) | 2022-09-02 |
Family
ID=79284945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111270217.0A Active CN113930694B (en) | 2021-10-29 | 2021-10-29 | Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113930694B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427068A (en) * | 2022-01-24 | 2022-05-03 | 盘星新型合金材料(常州)有限公司 | Copper-based amorphous alloy and preparation method thereof |
| CN115354246B (en) * | 2022-08-24 | 2023-05-09 | 盘星新型合金材料(常州)有限公司 | Rare earth modified light block amorphous alloy and preparation method and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964927A (en) * | 1989-03-31 | 1990-10-23 | University Of Virginia Alumini Patents | Aluminum-based metallic glass alloys |
| CN100376709C (en) * | 2004-03-02 | 2008-03-26 | 中国科学院物理研究所 | Cerium-base bulk amorphous alloys and method for preparation thereof |
| CN101358324B (en) * | 2007-07-30 | 2012-06-06 | 比亚迪股份有限公司 | Rare-earth base amorphous alloy and preparation method thereof |
| CN109468548B (en) * | 2019-01-04 | 2020-01-14 | 盘星新型合金材料(常州)有限公司 | Wide supercooled liquid region zirconium-based amorphous alloy |
-
2021
- 2021-10-29 CN CN202111270217.0A patent/CN113930694B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113930694A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113930694B (en) | Rare earth element modified and enhanced bulk amorphous alloy and preparation method and application thereof | |
| CN110512116B (en) | Multicomponent high-alloying high Nb-TiAl intermetallic compound | |
| CN106566935B (en) | A kind of liquid forging aluminium alloy and preparation method thereof | |
| CN103958708A (en) | Brass with excellent corrosion resistance | |
| CN112626390B (en) | High-elongation die-casting aluminum alloy and preparation method thereof | |
| CN115747563B (en) | Cu-15Ni-8 Sn-based alloy for ocean engineering and preparation method thereof | |
| CN103170600A (en) | Aluminum-silicon alloy brake-separating piece semisolid rheological diecasting forming process | |
| JP4145242B2 (en) | Aluminum alloy for casting, casting made of aluminum alloy and method for producing casting made of aluminum alloy | |
| CN1733953A (en) | High-strength high conduction copper alloy and its preparation method | |
| CN106244848B (en) | The copper-based glass mold material of microalloying non-ferrous metal and its manufacturing method | |
| CN110863124A (en) | High-strength high-plasticity medium-entropy alloy and preparation method thereof | |
| CN111926220A (en) | Aluminum alloy material for high-performance thin-wall 3D printing sand casting and preparation method thereof | |
| CN103361526B (en) | A kind of aldural and production method thereof | |
| CN106367649A (en) | Magnesium alloy easy to prepare and plastically form and component manufacturing method thereof | |
| CN110819853A (en) | High-conductivity soft aluminum monofilament and preparation method thereof | |
| JP3840400B2 (en) | Method for producing semi-melt molded billet of aluminum alloy for transportation equipment | |
| CN101654745B (en) | Preparation method of Al-5 percent Cu base alloy with low heat cracking tendency | |
| WO2007114345A1 (en) | DIECASTING Zn ALLOY, PROCESS FOR PRODUCTION THEREOF, AND Al MASTER ALLOY FOR DIECASTING ALLOY | |
| JP3676723B2 (en) | Method for producing semi-melt molded billet of aluminum alloy for transportation equipment | |
| CN103614596B (en) | A kind of aldural for electronic product structural component and preparation method thereof | |
| CN114032478A (en) | Zr-based amorphous alloy with plasticity and preparation method thereof | |
| CN115354246B (en) | Rare earth modified light block amorphous alloy and preparation method and application thereof | |
| CN113249626B (en) | Magnesium alloy and processing method for improving tension-compression asymmetry thereof | |
| CN115247243B (en) | Hf-containing light large-size block amorphous alloy and preparation method and application thereof | |
| CN115821133B (en) | High-conductivity high-plasticity deformation magnesium alloy and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |