不锈钢板镀膜产生影响的的因素

摘要：<span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";"><span style="font-size:small;">不锈钢板镀膜产生影响的的因素：</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">一、不锈钢板的内在因素</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">我们都知道的是不锈钢中镍含量低下</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢的钝化性能就低</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">所以不锈钢中马氏体含量和铬跟镍的含量对不锈钢板表面的钝化性能影响很大。</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">三、不锈钢板的表面清洁度。对于不锈钢合金来说</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢的表面越光滑粗糙度越低</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">那么该不锈钢表面就越难有异物附着上</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">异物不易附着</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">那么对不锈钢表面的腐蚀也就降到了*低点</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">所以不锈钢表面要尽量采用精加工的表面。另外不锈钢板的*后的钝化后的清洗也应该认真进行</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">这样才能使残余的酸液促进阳极反应</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">保护膜层的完整性</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">保证不锈钢板的表面的耐腐蚀性增强。</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">二、不锈钢板使用环境中的介质</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">不锈钢的钝化膜在热力学中是属于受抑制的亚稳态架构</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">它所发挥的保护作用于所处的环境中的介质有关。但是不论在哪种环境中使用</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">在使用的过程中</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">都要对不锈钢板进行定期的清洗来除去不锈钢板表面附着的有害物质。</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";"><span style="font-size:small;">四、</span></span><span style="font-family:"Times New Roman";font-size:small;"> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">氯离子</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">氯离子对不锈钢板镀膜的危害是极大的</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">所以</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">我们在对不锈钢板的表面进行钝化过程中要严格控制钝化液中的氯离子的含量</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">基于氯离子对不锈钢板的危害性。很多钝化用化学材料对氯离子都有着限量的要求</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">在配置钝化液用水和清洗用水也对氯离子有着严格的水质要求</span><span style="font-family:"Times New Roman";"><span lang="EN-US">,</span></span><span style="font-family:宋体;mso-ascii-font-family:"mso-hansi-font-family:";">来保证钝化成品中不含有氯离子。</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:"Times New Roman";font-size:small;"> </span></span> </p> <span style="font-family:宋体;font-size:small;"> </span>