Zinc alloy lead-free metal spraying material
A technology of spraying gold material and zinc alloy, which is applied in metal material coating process, melt spraying, coating and other directions, can solve the problems of coarse particles and uneven structure, and can refine the particles of the sprayed gold layer and eliminate the coarse particles. , Improve the effect of uneven tissue
Active Publication Date: 2014-04-23
绍兴市天龙锡材有限公司 +1
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- Abstract
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Problems solved by technology
However, none of the above-mentioned patent documents can completely solve some problems existing in the gold-spraying on the end face of capacitors: the phenomenon of coarse particles and uneven structure, and at the same time, the yield of capacitors still has the potential to be further improved.
Method used
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Embodiment 1
[0016] The composition of each component of a zinc alloy lead-free gold-spraying material is calculated by weight percentage, which are: copper 0.005%, the total amount of impurities is not more than 0.02%, the balance is zinc, and the total weight percentage of each component is 100% .
Embodiment 2
[0018] The composition of each component of a zinc alloy lead-free gold-spraying material is calculated by weight percentage: copper 0.01%, the total amount of impurities is not more than 0.02%, the balance is zinc, and the total weight percentage of each component is 100% .
Embodiment 3
[0020] The composition of each component of a zinc alloy lead-free gold-spraying material is calculated by weight percentage, which are: copper 0.02%, the total amount of impurities is not more than 0.02%, the balance is zinc, and the total weight percentage of each component is 100% .
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The invention relates to a zinc alloy lead-free metal spraying material, which contains the following components in percentage by weight: 0.005-1.0% of Cu, and / or 0.005%-0.1% of Ti, and / or 0.001-0.01% of Mn, and / or 0.005-0.1% of Pr, less than or equal to 0.01% of Pb impurities and less than or equal to 0.002% of Cd impurities, and the balance of Zn as a base, wherein the total content of the impurities is less or equal to 0.02%. The zinc alloy lead-free metal spraying material provided by the invention is used for spraying metal to the end faces of metallized film capacitors, and can eliminate the phenomenon of coarse particles on the surface of the metal spraying layer, improve the structure uniformity, improve the electrical contact performance between metal spraying layer and plastic film metal coating, reduce the loss angle in the capacitors, and improve the yield of the capacitors.
Description
technical field [0001] The invention relates to a lead-free gold-spraying material for gold-spraying the end face of a metallized film capacitor, specifically a zinc alloy, and relates to the field of new alloy materials. Background technique [0002] Metallized film capacitors (hereinafter referred to as capacitors) are an important part of electronic components, and with their good electrical properties, they have become indispensable electronic components for the replacement of high-speed railways, hybrid vehicles, wind power, solar power and other industries . The widely used gold-sprayed material on the end face of capacitors is five-component lead-based gold-sprayed material, which has been replaced by lead-free gold-sprayed material in the global lead-free upsurge. The current lead-free gold spray materials are generally tin-zinc alloys. Considering factors such as limited resources and production costs, with the development of technology in the field of gold-spraye...
Claims
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IPC IPC(8): C23C4/08C22C18/00C22C18/02
Inventor 戴国水王画华戴登峰张强钱国统
Owner 绍兴市天龙锡材有限公司