CN111020272A - High-performance gold-based silver-palladium alloy bonding material - Google Patents
High-performance gold-based silver-palladium alloy bonding material Download PDFInfo
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Abstract
The invention discloses a high-performance gold-based silver-palladium alloy bonding material, which belongs to the technical field of alloy materials and comprises the following raw materials in parts by weight: 70-90 parts of gold, 60-80 parts of silver, 10-20 parts of palladium, 3-8 parts of copper, 1-2 parts of zinc, 0.3-1.6 parts of chromium and 0.5-1.4 parts of ruthenium. The ratio of gold and silver to the gold-based silver-palladium alloy bonding material is larger, so that the gold and silver-palladium alloy bonding material has a value advantage, other components are added on the basis of the ratio of gold and silver, the mechanical property of the alloy is obviously improved, the color of the gold-based silver-palladium alloy bonding material is not influenced, and a layer of protective film is formed on the surface of the silver alloy material after the silver and silver-palladium alloy bonding material is cleaned by a plasma cleaning machine, so that the silver alloy material is not easy to corrode and is easy to store.
Description
Technical Field
The invention relates to an alloy material technology, in particular to a high-performance gold-based silver-palladium alloy bonding material.
Background
The metal laminated composite material is a new material obtained by firmly combining two or more metal layers with different physical and chemical properties by using a composite technology. It has the advantages of good performance of each component, making up the deficiency of each component, and the excellent comprehensive performance is incomparable with any single component. Metal laminate composites have been gaining popularity. In the short past decades, hybrid composite materials have been widely used not only in the fields of aerospace industry, automobile industry, ship industry, etc., but also as excellent building materials, sporting goods materials, medical and health materials, etc., as both structural materials and functional materials.
The metal laminated composite material has high specific strength and specific modulus; the high-temperature-resistant performance is excellent, and the high-temperature-resistant material can normally work in high-temperature and oxidizing atmosphere; wear resistance, good heat conductivity, small thermal expansion and stable size; low cost and suitability for batch production. The silver-palladium composite bonding material in the prior art has the advantages of mechanical property which can not meet the use requirement, poor oxidizability, easy corrosion and inconvenient storage.
Disclosure of Invention
In view of the existing problems, the present invention aims to provide a high-performance gold-based silver-palladium alloy bonding material to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 70-90 parts of gold, 60-80 parts of silver, 10-20 parts of palladium, 3-8 parts of copper, 1-2 parts of zinc, 0.3-1.6 parts of chromium and 0.5-1.4 parts of ruthenium.
As a further scheme of the invention: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 70 parts of gold, 60 parts of silver, 10 parts of palladium, 3 parts of copper, 1 part of zinc, 0.3 part of chromium and 0.5 part of ruthenium.
As a further scheme of the invention: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 90 parts of gold, 80 parts of silver, 20 parts of palladium, 8 parts of copper, 2 parts of zinc, 1.6 parts of chromium and 1.4 parts of ruthenium.
As a further scheme of the invention: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 80 parts of gold, 70 parts of silver, 15 parts of palladium, 6 parts of copper, 1.5 parts of zinc, 0.9 part of chromium and 0.9 part of ruthenium.
As a further scheme of the invention: the purity of the silver is not less than 99.999%, the purity of the gold is not less than 99.999%, and the purity of the palladium is not less than 99.999%.
As a further scheme of the invention: a preparation method of a high-performance gold-based silver-palladium alloy bonding material comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
As a further scheme of the invention: the temperature of vacuum melting in the step (2) is 1100-2300 ℃.
As a further scheme of the invention: the annealing temperature in the step (4) is 500-700 ℃, and the annealing speed is 50-65 m/min.
As a further scheme of the invention: the air source of the plasma cleaning machine in the step (5) is air, the working air pressure is 0.05-0.5MPa, and the output power is 300-.
Compared with the prior art, the invention has the beneficial effects that: the ratio of gold and silver to the gold-based silver-palladium alloy bonding material is larger, so that the gold and silver-palladium alloy bonding material has a value advantage, other components are added on the basis of the ratio of gold and silver, the mechanical property of the alloy is obviously improved, the color of the gold-based silver-palladium alloy bonding material is not influenced, and a layer of protective film is formed on the surface of the silver alloy material after the silver and silver-palladium alloy bonding material is cleaned by a plasma cleaning machine, so that the silver alloy material is not easy to corrode and is easy to store.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
A high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 70-90 parts of gold, 60-80 parts of silver, 10-20 parts of palladium, 3-8 parts of copper, 1-2 parts of zinc, 0.3-1.6 parts of chromium and 0.5-1.4 parts of ruthenium.
The purity of the silver is not less than 99.999%, the purity of the gold is not less than 99.999%, and the purity of the palladium is not less than 99.999%.
A preparation method of a high-performance gold-based silver-palladium alloy bonding material comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
The temperature of vacuum melting in the step (2) is 1100-2300 ℃.
The annealing temperature in the step (4) is 500-700 ℃, and the annealing speed is 50-65 m/min.
The air source of the plasma cleaning machine in the step (5) is air, the working air pressure is 0.05-0.5MPa, and the output power is 300-.
The first embodiment is as follows: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 70 parts of gold, 60 parts of silver, 10 parts of palladium, 3 parts of copper, 1 part of zinc, 0.3 part of chromium and 0.5 part of ruthenium.
The purity of the silver is not less than 99.999%, the purity of the gold is not less than 99.999%, and the purity of the palladium is not less than 99.999%.
A preparation method of a high-performance gold-based silver-palladium alloy bonding material comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
The temperature of vacuum melting in the step (2) is 1350 ℃.
The annealing temperature in the step (4) is 520 ℃, and the annealing speed is 55 m/min.
And (5) the air source of the plasma cleaning machine in the step (5) is air, the working air pressure is 0.08MPa, and the output power is 400W.
Example two: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 90 parts of gold, 80 parts of silver, 20 parts of palladium, 8 parts of copper, 2 parts of zinc, 1.6 parts of chromium and 1.4 parts of ruthenium.
The purity of the silver is not less than 99.999%, the purity of the gold is not less than 99.999%, and the purity of the palladium is not less than 99.999%.
A preparation method of a high-performance gold-based silver-palladium alloy bonding material comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
The temperature of vacuum melting in the step (2) is 2200 ℃.
The annealing temperature in the step (4) is 650 ℃, and the annealing speed is 62 m/min.
And (5) the air source of the plasma cleaning machine in the step (5) is air, the working air pressure is 0.4MPa, and the output power is 800W.
Example three: a high-performance gold-based silver-palladium alloy bonding material comprises the following raw materials in parts by weight: 80 parts of gold, 70 parts of silver, 15 parts of palladium, 6 parts of copper, 1.5 parts of zinc, 0.9 part of chromium and 0.9 part of ruthenium.
The purity of the silver is not less than 99.999%, the purity of the gold is not less than 99.999%, and the purity of the palladium is not less than 99.999%.
A preparation method of a high-performance gold-based silver-palladium alloy bonding material comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
The temperature of vacuum melting in the step (2) is 1800 ℃.
The annealing temperature in the step (4) is 600 ℃, and the annealing speed is 58 m/min.
And (5) the air source of the plasma cleaning machine in the step (5) is air, the working air pressure is 0.3MPa, and the output power is 600W.
Comparative example 1
The gold-based silver-palladium alloy bonding material is commercially available in the prior art.
Performance test:
the silver palladium composite bonding materials prepared in examples 1 to 3 and comparative example 1 were subjected to a hardness test according to the following method: the processed silver alloy material is processed on an HXS-1000AK type semi-automatic microhardness tester, the room temperature is selected, the loading load is 0.3 g, the loading time is 25 seconds, ten points are measured, the average value is taken, and the specific test result is shown in Table 1.
The silver-palladium composite bonding materials prepared in examples 1 to 3 and comparative example 1 were subjected to an anti-corrosion test in accordance with
The following method was performed, corrosion resistance test: the neutral salt spray test was carried out for 100h according to GB/T10125-1997 salt spray test for Artificial atmosphere Corrosion test.
TABLE 1 hardness and Corrosion resistance test results Table
| Group of | Hardness of | Corrosion resistance |
| Example one | 95.4HV | Without obvious change |
| Example two | 93.2HV | Without obvious change |
| EXAMPLE III | 90.8HV | Without obvious change |
| Comparative example 1 | 82.5HV | Severe corrosion |
The ratio of gold and silver to the gold-based silver-palladium alloy bonding material is larger, so that the gold and silver-palladium alloy bonding material has a value advantage, other components are added on the basis of the ratio of gold and silver, the mechanical property of the alloy is obviously improved, the color of the gold-based silver-palladium alloy bonding material is not influenced, and a layer of protective film is formed on the surface of the silver alloy material after the silver and silver-palladium alloy bonding material is cleaned by a plasma cleaning machine, so that the silver alloy material is not easy to corrode and is easy to store.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A high-performance gold-based silver-palladium alloy bonding material is characterized by comprising the following raw materials in parts by weight: 70-90 parts of gold, 60-80 parts of silver, 10-20 parts of palladium, 3-8 parts of copper, 1-2 parts of zinc, 0.3-1.6 parts of chromium and 0.5-1.4 parts of ruthenium.
2. The high-performance gold-based silver-palladium alloy bonding material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 70 parts of gold, 60 parts of silver, 10 parts of palladium, 3 parts of copper, 1 part of zinc, 0.3 part of chromium and 0.5 part of ruthenium.
3. The high-performance gold-based silver-palladium alloy bonding material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 90 parts of gold, 80 parts of silver, 20 parts of palladium, 8 parts of copper, 2 parts of zinc, 1.6 parts of chromium and 1.4 parts of ruthenium.
4. The high-performance gold-based silver-palladium alloy bonding material according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 80 parts of gold, 70 parts of silver, 15 parts of palladium, 6 parts of copper, 1.5 parts of zinc, 0.9 part of chromium and 0.9 part of ruthenium.
5. The high performance gold-based silver-palladium alloy bonding material according to any one of claims 1 to 4, wherein the purity of silver is not less than 99.999%, the purity of gold is not less than 99.999%, and the purity of palladium is not less than 99.999%.
6. The preparation method of the high-performance gold-based silver-palladium alloy bonding material as claimed in any one of claims 1 to 5, which comprises the following specific steps:
(1) weighing gold, silver, palladium, copper, zinc, chromium and ruthenium according to parts by weight for later use;
(2) mixing the weighed copper, zinc, chromium and ruthenium, then carrying out vacuum melting, uniformly stirring, pouring the formed copper-zinc-chromium-ruthenium mixed solution into a mold to prepare a copper-zinc-chromium-ruthenium quaternary alloy ingot, and cooling for later use;
(3) respectively heating and melting gold, silver and palladium weighed according to the parts by weight in a vacuum melting furnace, then mixing and stirring uniformly to prepare gold-silver-palladium alloy liquid, pouring the gold-silver-palladium alloy liquid into a mold to prepare a gold-silver-palladium alloy block, and cooling for later use;
(4) putting the copper-zinc-chromium-ruthenium quaternary alloy ingot in the step (2) and the gold-silver-palladium alloy block in the step (3) into a vacuum pull-down continuous casting furnace, vacuumizing and heating, adopting a directional solidification method, carrying out pull-down continuous casting to obtain a gold-based silver-palladium composite block material, annealing and cooling;
(5) and (4) putting the gold-based silver-palladium composite block material obtained in the step (4) into a plasma cleaning machine for cleaning for 10-15 seconds, and drying to obtain the high-performance gold-based silver-palladium alloy bonding material.
7. The method for preparing the high-performance gold-based silver-palladium alloy bonding material as claimed in claim 6, wherein the temperature of the vacuum melting in the step (2) is 1100-2300 ℃.
8. The method for preparing the high-performance gold-based silver-palladium alloy bonding material as claimed in claim 6, wherein the annealing temperature in the step (4) is 500-700 ℃, and the annealing speed is 50-65 m/min.
9. The method as claimed in claim 6, wherein the gas source of the plasma cleaning machine in step (5) is air, the working pressure is 0.05-0.5MPa, and the output power is 300-.
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Application publication date: 20200417 |