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合兴钢结构浅谈钢结构喷铝喷锌防腐的原理

发布时间:2015-11-27 9:39:24 浏览次数:664

钢结构水喷铝,锌,特别是电弧喷涂防腐技术中应用最普遍的应用前景更广泛。电弧喷涂防腐原理,利用电弧喷涂设备在带电的电线(如铝、镁等)加热,熔化,形成雾化,喷雾防腐涂层,而且有机封闭涂层的长效防腐复合涂层,这层的突出特点:腐蚀寿命比较长的防腐寿命达到50年以上,同时该防腐涂层30年使用期内保持任何防腐不需要30年后才完成;维持电弧喷涂层上的油漆刷封闭的必要;重新喷涂,防腐涂层层实现,时效有效。


电弧喷涂层与金属基体具有优异的涂层结合力(的10Mp以上)金属喷镀层的机械镶嵌及微冶金结合和坯料,轻微的弯曲、冲击或碰撞下雨也确保防腐涂层不下降,不结合起来,起防腐效果持久。在任何表面防腐涂层也无法达到的。


钢结构浇水方式铝、锌、喷涂原理为阴极保护腐蚀环境中,即使防腐涂层局部破损,还是自己去牺牲保护钢基体的效果。层(阳极)和钢基体(阳極)面积≥1;而富锌涂料的阳极和阴极< 1他更保护效果及结合力的电弧喷涂防腐涂层远远不够。



Steel structure water sprayed aluminum, zinc, especially the application of electric arc spraying anti-corrosion technology is the most widespread application prospect. The principle of arc spraying and coating, the use of electric arc spraying equipment in the electric wire (such as aluminum, magnesium, etc.) heating, melting, forming atomization, spray coating, and the organic sealing coating, the outstanding characteristics of the long-term anti-corrosion coating:
Corrosion life is longer than 50 years, at the same time, the anti-corrosion coating for 30 years to maintain any corrosion is not required after 30 years to complete; maintenance of arc spraying coating on the brush seal the necessary; re spraying, coating layers to achieve, effective.
Arc spraying layer and metal substrate have excellent coating adhesion (10Mp above) metal spray coating of mechanical and micro metallurgical combination and billet, minor bending, impact or collision rain also ensure that the anti-corrosion coating is not reduced, does not combine, the effect of lasting. In any surface coating can not be achieved.
The principle of steel structure, aluminum, zinc and spray coating is a cathodic protection corrosion environment, even if the local damage of anti-corrosion coating, or their own to the effect of the protection of steel substrate. Layer (anode) and the steel substrate (anode) area is more than or equal to 1; and zinc rich coating of anode and cathode < he more protective effect and combining force of the arc spraying coating is far from enough.


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