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乘用车车身耐腐蚀状况受所处环境、使用材料、结构设计、生产制造工艺和维修保养等因素影响。其中， 生产制造工艺中的车身电泳涂装防腐在国内主机厂已被广泛关注，且展开了同步工艺分析，镀锌板材料的使用率也相对增多。 锌的标准电极电位较低，铁基上的镀锌层在一般的腐蚀介质中为阳极镀层，该镀层可以有效减缓钢基板遭受腐蚀的程度， 其在耐腐性能方面较冷轧板有着明显优势。平整致密的镀锌层可以通过锌的耐蚀性能进行腐蚀保护，切口、 镀层局部破损区域可以通过牺牲阳极（锌层）保护，降低腐蚀速率。 The corrosion resistance condition of the passenger car body is affected by the environment, use materials, structural design, manufacturing process and maintenance and other factors.Among them, the body electrophoretic coating in the manufacturing process has been paid wide attention in domestic OEMs, and the synchronous process analysis has been launched, and the utilization rate of galvanized plate materials is also relatively increased.The standard electrode potential of zinc is low, and the galvanizing layer on the iron base is the anode coating in the general corrosion medium. This coating can effectively slow down the degree of corrosion of the steel substrate, which has obvious advantages over the cold rolling plate in the corrosion resistance performance. The flat and dense galvanized layer can be protected by the zinc corrosion resistance, and the local damaged area of the incision and plating layer can be protected by sacrificing the anode (zinc layer) to reduce the corrosion rate.
无花镀锌原卷
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镀锌板汽车配件钢板
鞍钢无花镀锌钢卷
q235b无花镀锌卷板
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