Silver nanowire modified tin-silver-copper composite soldering paste and preparation method thereof
The invention relates to silver nanowire modified tin-silver-copper composite soldering paste and a preparation method thereof, and belongs to the technical field of welding. The silver nanowire modified tin-silver-copper composite soldering paste is composed of, by mass, 0.1%-0.4% of silver nanowir...
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| creator | BAI HAILONG WANG BIAO LENG MANXI ZHANG HONGYU YAN JIKANG ZHAO JIANHUA ZHAO LINGYAN LIANG HUAXIN |
| description | The invention relates to silver nanowire modified tin-silver-copper composite soldering paste and a preparation method thereof, and belongs to the technical field of welding. The silver nanowire modified tin-silver-copper composite soldering paste is composed of, by mass, 0.1%-0.4% of silver nanowires, 10%-20% of soldering flux and the balance Sn < 3.0 > Ag < 0.5 > Cu lead-free soldering flux, the silver nanowires account for 0.1%-0.4%, the soldering flux accounts for 10%-20%, and the Sn < 3.0 > Ag < 0.5 > Cu lead-free soldering flux accounts for 10%-20%. The soldering flux is composed of, by mass, 15%-20% of an active agent, 30%-35% of a film-forming agent, 1%-3% of a thixotropic agent, 1%-2% of a conditioning agent, 2%-3.5% of a surface active agent, 0.5%-1.5% of a corrosion inhibitor and a solvent. According to the method, the tin-silver-copper composite soldering paste is modified through the silver nanowires, the microstructure of a welding spot is refined, and the performance of the solder alloy is grea |
| format | Patent |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Silver nanowire modified tin-silver-copper composite soldering paste and preparation method thereof |
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