| 电缆桥架为什么要镀锌处理或者喷塑呢？ |
| 添加时间：2019/3/8 14:18:24 浏览次数： |
| 桥架都是有金属制造而成，它自身只要还是含铁和碳。但是铁会生锈，桥架也就会生锈的。不锈钢桥架的生锈速度就很缓慢的，桥架表面进行处理也会延迟桥架自身的生锈，腐蚀。 Bridges are made of metal, and they themselves contain only iron and carbon. But iron will rust, and the bridge will rust. The rusting speed of stainless steel bridge is very slow, and the surface treatment of the bridge will delay the rusting and corrosion of the bridge itself. 铁制品生锈的主要条件是什么 What are the main conditions for rusting of iron products 铁放的时间长了就会生锈。铁容易生锈，除了由于它的化学性质活泼以外，同时与外界条件也有很大关系。水分是使铁容易生锈的物质之一。然而，光有水也不会使铁生锈，只有当空气中的氧气溶解在水里时，氧在有水的环境中与铁反应，才会生成一种叫氧化铁的东西，这就是铁锈。铁锈是一种棕红色的物质，它不像铁那么坚硬，很容易脱落，一块铁完全生锈后，体积可胀大8倍。如果铁锈不除去，这海绵状的铁锈特别容易吸收水分，铁也就烂得更快了。 Iron rusts when it is released for a long time. Iron rusts easily, not only because of its active chemical properties, but also because of the external conditions. Water is one of the substances that make iron rusty. However, water alone will not rust iron. Only when oxygen in the air dissolves in water, when oxygen reacts with iron in the water environment, can a kind of thing called iron oxide be produced, which is rust. Rust is a brown-red substance, it is not as hard as iron, easy to fall off, after a piece of iron is completely rusted, the volume can expand by eight times. If the rust is not removed, the spongy rust absorbs moisture easily and the iron rots faster. 要除去铁锈，可以利用各种工具把它铲掉，也可以泡在酸性的溶液中把它溶解掉。在去掉铁锈以后，一定要对铁器表面进行处理，涂上一层铅丹，再涂上油漆；或者镀上别的不容易生锈的金属。更彻底的办法，就是给铁加入一些其他金属，制成不锈的合金。我们熟悉的不锈钢，就是在钢中加入一点镍和铬而制成的合金。 To remove rust, you can use various tools to remove it, or soak it in acidic solution to dissolve it. After www.gaoyasantong.cnwww.buxiugangsantong.cnwww.chongyawantou.cn www.duihanwantou.cnwww.wantou.org.cnwww.falan.net.cnremoving the rust, it is necessary to treat the surface of the ironware, coat it with a layer of lead, then paint it, or coat it with other metals which are not easy to rust. A more thorough way is to add some other metals to iron to make stainless alloys. The stainless steel we are familiar with is an alloy made by adding a little nickel and chromium to the steel. 1．铁生锈是水分和氧气共同作用的结果。 1. The rusting of iron is the result of the interaction of water and oxygen. 2．在有盐（当然也是要变成离子形式）的情况下，生锈的程度会加深、速度会加快 2. In the presence of salt (and of course to become an ionic form), the degree of rust will deepen and the speed will accelerate. 一是铁内有杂质。纯铁是不容易生锈的，现在见的铁，都是铁碳合金，极容易产生电化腐蚀。 First, there are impurities in iron. Pure iron is not easy to rust, now see iron, are iron-carbon alloys, very easy to produce electrochemical corrosion. 二是水的存在。在干燥环境下，铁也不容易生锈，水的存在，使电化腐蚀成为可能，并加速腐蚀。 The second is the existence of water. In dry environment, iron is not easy to rust. The presence of water makes electrochemical corrosion possible and accelerates corrosion. 空气中的污染，如二氧化碳、二氧化硫、二氧化氮……会产生酸性物质，腐蚀铁。 Air pollution, such as carbon dioxide, sulfur dioxide, nitrogen dioxide... It produces acidic substances that corrode iron. |
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