黄铜为什么不生锈

2025年04月07日 00:41
有4个网友回答
网友(1):

  • 凡是铜或铜合金,在自然环境中都会生锈,只是程度不同而已,其中以无氧铜生锈较缓,其次是大多数青铜和普通工业纯铜(工业紫铜)黄铜较易生锈,其中尤以H59最易生锈,这是由其化学成分的特性决定的。

  • 黄铜是由铜和锌所组成的“合金”。如果只是由铜、锌组成的黄铜就叫作普通黄铜。如果是由二种以上的元素组成的多种合金就称为特殊黄铜。如由铅、锡、锰、镍、铅、铁、硅组成的铜合金。黄铜有较强的耐磨性能。特殊黄铜又叫特种黄铜,它强度高、硬度大、耐化学腐蚀性强。还有切削加工的机械性能也较 突出。由黄铜所拉成的无缝铜管,质软、耐磨性能强。黄铜无缝管可用于热交换器和冷凝器、低温管路、海底运输管。制造板料、条材、棒材、管材,铸造零件等。含铜在62%~68%,塑性强,制造耐压设备等。

网友(2):

全都错了,就是因为原电池原理
黄铜主要是由铜和锌所组成的合金,而青铜主要是由铜和锡所组成的合金
锌比铜活泼,根据原电池原理铜不易被氧化
而铜比锡活泼,根据原电池原理铜易被氧化

网友(3):

黄铜又称铝黄铜,是铝和铜的合金,黄铜也生锈,但因为铝更易被氧化,所以产生铜绿的现象更晚一点,

网友(4):

铜氧化之后生成二氧化三铜,既是铜绿,铜绿既是铜生成的绣。

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