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2024-07

铜是如何冶炼出来的

从最初来源于矿井中到用于电线或管道等成品，铜的生产过程会经历若干阶段。原生铜的生产始于含铜矿石的开采。铜矿开采有两种基本方式：露天采矿和地下采矿。由于铜以较低的含量分布在较大的区域范围内，地表或露天采矿...

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2024-07

黄铜的发展历史

铜行业产业链铜铜是一种过渡元素，化学符号Cu，原子序数29。纯铜是柔软的金属，延展性好，导热性和导电性高，因此在电缆和电气、电子元件是最常用的材料，此外，铜可以多次回收而无损其机械性能。铜是世界上应用量仅次...

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2024-07

什么是紫铜，什么是黄铜？

在电工材料和商业中，金属种类繁多，因此在制造业中引起了诸多讨论。这些争论是由于金属使用者无法区分各种金属材料。特别是当差异非常细微和用作通电导体时。紫铜和黄铜这两种金属材料经常混在一起的一个例子。当这两...

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2024-07

如何区分黄铜和紫铜？

铜是纯净的单一金属，每一件由铜制成的物品都具有相同的特性。另一方面，黄铜是铜、锌和其他金属的合金。几种金属的组合意味着没有一种简单可靠的方法来识别所有的黄铜。然而，我们将讨论如何区分黄铜和铜的方法。这些...

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2024-07

铜表面氧化了怎么处理

铜材目前在工业生产和电气行业中有着大量的应用，但是各种铜件在日常的使用过程中很容易氧化，造成变色、锈蚀的情况让很多厂家苦恼，那铜材为什么容易氧化变色？铜在有色金属中是比较活跃的，不将其进行铜表面钝化处理...

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2024-07

铜件为什么要化学抛光?基本原理是什么？

缘由：铜金属如果不做任何表面保护处理的话，在自然状态下，是极容易产生氧化和生锈的现象。如果长期置于高温或潮湿的环境中，那氧化生锈会更为严重。是什么原因造成铜材的氧化呢？第一，氧化反应：铜会与氧气发生氧化...

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