PL450054A1 - Method for producing Ag-Cu alloy powder - Google Patents
Method for producing Ag-Cu alloy powderInfo
- Publication number
- PL450054A1 PL450054A1 PL450054A PL45005424A PL450054A1 PL 450054 A1 PL450054 A1 PL 450054A1 PL 450054 A PL450054 A PL 450054A PL 45005424 A PL45005424 A PL 45005424A PL 450054 A1 PL450054 A1 PL 450054A1
- Authority
- PL
- Poland
- Prior art keywords
- ions
- solution containing
- precipitate
- alloy powder
- powder
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
- C22C5/08—Alloys based on silver with copper as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania proszku stopowego Ag-Cu, który charakteryzuje się tym, że w I etapie miesza się roztwór zawierający jony Cu2+ o stężeniu 0,1 - 5,0 mol/L z roztworem zawierającym jony Ag+ o stężeniu 0,1 - 5,0 mol/L w takiej ilości, aby stosunek masowy Cu do Ag wynosił od 1:99 do 99:1. Roztwory miesza się przez co najmniej 1 minutę, po czym dodaje się roztwór zawierający jony CO32- do uzyskania odczynu obojętnego, korzystnie pH=6,9 - 7,1 i kontynuuje się mieszanie przez co najmniej 3 minuty, aby uzyskać pełne strącenie węglanów metali. Następnie uzyskany osad poddaje się filtracji, korzystnie sączeniu próżniowemu przy użyciu filtra o retencji cząstek 8 - 12 µm, co zapewnia odpowiednią czystość osadu. Osad suszy się w temperaturze 65°C - 75°C do uzyskania stałej masy i rozdrabnia do uzyskania jednorodnego proszku o wielkości ziaren poniżej 0,5 mm. W II etapie, proszek poddaje się redukcji w temperaturze 200°C - 350°C, przy przepływie gazu zawierającego H2, korzystnie w postaci mieszaniny zawierającej 5% H2 i 95% Ar, utrzymując go w tej temperaturze do uzyskania stałej masy lub braku obecności CO2 i H2O w gazach odlotowych. Gotowy proszek stopowy Ag-Cu wyjmuje się z pieca dopiero po całkowitym jego wystygnięciu do temperatury nie większej niż 30°C, co ogranicza jego wtórne utlenienie.The subject of the application is a method for producing Ag-Cu alloy powder, which is characterized in that in the first stage, a solution containing Cu2+ ions at a concentration of 0.1 - 5.0 mol/L is mixed with a solution containing Ag+ ions at a concentration of 0.1 - 5.0 mol/L in such an amount that the mass ratio of Cu to Ag is from 1:99 to 99:1. The solutions are mixed for at least 1 minute, after which a solution containing CO32- ions is added until a neutral reaction is obtained, preferably pH = 6.9 - 7.1, and mixing is continued for at least 3 minutes to achieve complete precipitation of the metal carbonates. The obtained precipitate is then subjected to filtration, preferably vacuum filtration using a filter with a particle retention of 8 - 12 µm, which ensures appropriate precipitate purity. The precipitate is dried at 65°C-75°C to a constant mass and ground to a uniform powder with a grain size of less than 0.5 mm. In the second stage, the powder is reduced at 200°C-350°C in a flow of H2-containing gas, preferably as a mixture of 5% H2 and 95% Ar, and maintained at this temperature until a constant mass is achieved or until the exhaust gases cease to contain CO2 and H2O. The finished Ag-Cu alloy powder is removed from the furnace only after it has cooled completely to a temperature no greater than 30°C, which limits its secondary oxidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL450054A PL450054A1 (en) | 2024-10-17 | 2024-10-17 | Method for producing Ag-Cu alloy powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL450054A PL450054A1 (en) | 2024-10-17 | 2024-10-17 | Method for producing Ag-Cu alloy powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL450054A1 true PL450054A1 (en) | 2026-04-20 |
Family
ID=99477181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL450054A PL450054A1 (en) | 2024-10-17 | 2024-10-17 | Method for producing Ag-Cu alloy powder |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL450054A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007040195A1 (en) * | 2005-10-03 | 2007-04-12 | Mitsui Mining & Smelting Co., Ltd. | Silver-copper composite powder having silver microparticule attached thereto, and method of production of the silver-copper composite powder |
| WO2011136284A1 (en) * | 2010-04-28 | 2011-11-03 | 住友電気工業株式会社 | Cu-Ag ALLOY WIRE AND METHOD FOR PRODUCING Cu-Ag ALLOY WIRE |
| CN107312945A (en) * | 2017-07-07 | 2017-11-03 | 合肥工业大学 | A kind of preparation method of Cu/Ag(Invar) composite material for electronic packaging |
| JP2017201062A (en) * | 2017-06-23 | 2017-11-09 | Dowaエレクトロニクス株式会社 | Method for producing silver-coated copper alloy powder |
-
2024
- 2024-10-17 PL PL450054A patent/PL450054A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007040195A1 (en) * | 2005-10-03 | 2007-04-12 | Mitsui Mining & Smelting Co., Ltd. | Silver-copper composite powder having silver microparticule attached thereto, and method of production of the silver-copper composite powder |
| WO2011136284A1 (en) * | 2010-04-28 | 2011-11-03 | 住友電気工業株式会社 | Cu-Ag ALLOY WIRE AND METHOD FOR PRODUCING Cu-Ag ALLOY WIRE |
| JP2017201062A (en) * | 2017-06-23 | 2017-11-09 | Dowaエレクトロニクス株式会社 | Method for producing silver-coated copper alloy powder |
| CN107312945A (en) * | 2017-07-07 | 2017-11-03 | 合肥工业大学 | A kind of preparation method of Cu/Ag(Invar) composite material for electronic packaging |
Non-Patent Citations (2)
| Title |
|---|
| A. ABDUL SALAM ET AL.: "J Nanostruct Chem (2015) 5:383–392 DOI 10.1007/s40097-015-0170-1", „ELECTROCHEMICAL FABRICATION OF AG–CU NANO ALLOY AND ITS CHARACTERIZATION: AN INVESTIGATION" * |
| MUNEVVER KOROGLU ET AL.: "Metals 2021, 11, 1466. https://doi.org/10.3390/met11091466", „ONE STEP PRODUCTION OF SILVER-COPPER (AGCU) NANOPARTICLES" * |
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