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发明公开
CN1970842A 多元合金共渗加封闭的涂层及应用 有权

多元合金共渗加封闭的涂层及应用
摘要：
本发明涉及多元合金共渗加封闭的涂层，其特征在于所述的防腐涂层由渗、涂层组合在一起的多功能涂层。第一层为多元合金共渗渗层与钝化层。共渗合金中有锌、铝和稀土氧化镧等合金，钝化层为不含Cr6+的膜层。第二层铝锌片和环氧树脂的组成作封闭层。第一层渗层和钝化层为35～50μm，第二层涂层10～12μm。结合后的耐中性盐雾时间可达500h以上，涂层硬度达到9H，相对磨损量＜50％。而提供的涂层性价比远优于先前SDD－1涂层，且已成功地应用于时速350公里/时客运专线铁路无喳轨道常用跨度梁和铁路大桥支座顶预埋钢板、套筒中。
摘要（英）：

The invention discloses a polyvalent alloy co-permeating closed coating, which is characterized by the following: the erosion-proof coating is composed of permeating and coating layer, which forms multi-functional layer; the first layer is polyvalent alloy co-permeating layer and inactivating layer; the zinc, aluminium and rare earth Lan are doped in the co-permeating alloy; the inactivating layer doesn't contain Cr6+; the second aluminium zinc piece and epoxide resin constitutes closed layer; the thickness of first permeating layer and inactivating layer is 35-50um; the thickness of second coating layer is 10-12um.

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