A kind of zinc-based high-temperature lead-free solder and production method thereof
A lead-free solder, production method technology, applied in welding equipment, welding medium, welding/cutting medium/material, etc., can solve the problems of poor wettability and spreadability, difficult to apply welding of fuse tube electronic components, easy oxidation and so on , to achieve the effect of good welding reliability, stable quality and smooth production
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[0021] In order to further explain the technical solutions of the present invention, the present invention will be described in detail below through specific embodiments.
[0022] The invention discloses a zinc-based high-temperature lead-free solder, which contains 50% to 80% by weight of zinc, and also contains any one or any two of aluminum, bismuth, palladium, nickel, germanium or phosphorus. As additional trace elements, the weight percentages of the above-mentioned additional trace elements are: aluminum 0-0.09%, bismuth 0-3%, palladium 0-0.08%, nickel 0-0.05%, germanium 0-0.006% or phosphorus 0-0.03% %, the remainder is tin. Among them, the composition ratio of zinc and tin is designed to achieve the liquidus point of the solder required for a large rated current fuse tube in a more suitable temperature range of 355-385°C.
[0023] Further, the weight percentage of aluminum may be 0.01-0.09%. The weight percentage of bismuth may be 0.6-3%. The weight percentage of pa...
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