怎样提高千亿球友会官网加工料的耐磨性能

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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">怎样提高千亿球友会官网加工料的耐磨性能</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">在千亿球友会官网加工过程中的加热或冷焊会发生比较严重的粘合剂磨损。粘合剂磨损主要发生在两个相对运动的金属表面与足够的作用力下。这是一个固相焊接工艺。在相对运动期间，作用力一定要足够，以此来破坏千亿球友会官网表面保护性氧化物层。</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <a name="千亿球友会官网加工"></a><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">而在过高应力与较差的润滑条件下，还有可能会发生更大表面积的粘结，有可能生成比较大的碎片或表面突起，其结果就是千亿球友会官网加工料表面出现磨损。严重的磨损甚至会影响到千亿球友会官网部件的使用性。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">高韧性或有着低加工硬化率的千亿球友会官网加工料通常更容易发生磨损。奥氏体千亿球友会官网在某些条件下的磨损会更加明显。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">所以有效的润滑通常是千亿球友会官网紧固件防止磨损的好方法。依据使用条件，可使用几种形式，从把油与润滑脂应用于固体润滑系统如热固性或</span><span style="font-family:'Times New Roman';"><span lang="EN-US">PTFE</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">涂层。在相关专业资料中显示，相比于润滑脂，</span><span style="font-family:'Times New Roman';"><span lang="EN-US">PTFE</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">会提供更好的耐磨损系统，资料中还表明该系统有着额外的优点，即涂层可以在车间条件下而非现场条件下应用。相比于使用润滑脂，这有助于保持千亿球友会官网紧固件系统具有*佳耐腐蚀性，并且还能降低污染物沾染的风险。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">磨损涂层是通过氮化或镀铬改变千亿球友会官网的表面特性，可以改善耐磨性和耐磨损性。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">表面氮化是奥氏体千亿球友会官网对氮化处理效果不佳，渗氮范围有限。马氏体和沉淀硬化千亿球友会官网可获得更好的结果。当作用力施加到配合部件时，这有助于支撑硬化的表面层。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">但在渗氮的范围内也存在限制，因为由于形成氮化铬，千亿球友会官网材料表面上的铬消耗可以降低耐腐蚀性。此外，由于氮化温度可导致碳晶界面处的碳化物沉淀，因此可能会有晶间腐蚀的危险。</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:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">硬铬沉积物主要用于改善磨损</span><span style="font-family:'Times New Roman';"><span lang="EN-US">/</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">耐磨损性，并且通常直接施加到基材上。硬铬电镀涂层的厚度范围为</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.003</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.5</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">毫米，装饰涂料很少超过</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.003</span></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">毫米。电镀铬不适用于高温或高压应用，这往往会降低涂层的硬度，并可能导致开裂或剥落。</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;">&nbsp;</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span>