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发明授权
CN107794405B 一种细晶粒铜锡合金及其制备方法 有权

一种细晶粒铜锡合金及其制备方法
摘要：
本发明公开了一种细晶粒铜锡合金，按照质量百分比包括以下原料组分：10％‑16％锡粉，0.1％‑0.5％钛粉，余量为铜粉，上述各组份质量百分比之和为100％；其制备方法，包括以下步骤：步骤1，按照质量百分比称取以下组分：10％‑16％锡粉，0.1％‑0.5％钛粉，余量为铜粉；步骤2，将步骤1称取的各组份混合，进行模压压制，烧结，然后保温得到烧结体；步骤3，将步骤2得到的烧结体进行表面处理；步骤4，将经过步骤3处理后的烧结体进行感应熔炼，使合金化的烧结体加热至熔融态，保温，搅拌，快速冷却，得到细晶粒铜锡合金。通过本发明制备方法可以得到晶粒细化、组织均匀的铜锡合金。
摘要（英）：

The invention discloses a fine grain copper-tin alloy. The alloy comprises following raw material components including, by mass percent, 10 to 16% of tin powder, 0.1 to 0.5% of titanium powder and thebalance copper powder. The sum of the mass percents if 100%, and the preparing method comprises following steps: firstly, according to the mass percent, the following components of 10 to 16% of tin powder, 0.1 to 0.5% of titanium powder and the balance copper powder are weighed; secondly, the components weighed in the first step are mixed, die pressing is carried out, sintering is carried out, and a sintering body is obtained through heat preservation; thirdly, the sintering body obtained in the second step is subject to surface treatment; fourthly, the sintering body treated in the third step is subject to induction smelting, the alloyed sintering body is heated to be in the molten state, heat preservation, stirring and rapid cooling are carried out, and the fine grain copper-tin alloy is obtained. Through the preparing method, the copper-tin alloy with the refine grains and uniform structure can be obtained.

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