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<h3>日期：2023-09-19 发布人：杭州菲贝 阅读量：<span id="dr_show_hits_3330">0</span><script type="text/javascript">
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<p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">粉末冶金常用<a href="https://www.guolvxin.net/html/jinshushaojiexilie-show-713.html" target="_self">不锈钢烧结网滤芯</a>烧结方法有哪些</span></strong></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">一、液相烧结</span></strong></p><p style=";padding: 0;line-height: 16px"><span style="font-family: 宋体;font-size: 16px">粉末压坯中如果有两种以上的组元，烧结有可能在某种组元的熔点以上进行，因而烧结时粉末压坯中出现少量的液相。</span></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px"> </span></strong></p><p style="text-align:center"><img id="ae7a2d83ec5162418e7e5a4cf9038a29_img_5403" src="https://www.guolvxin.net/uploadfile/ueditor/image/20230919/1695102828132880.jpg" title="粉末冶金常用不锈钢烧结网滤芯烧结方法有哪些" alt="粉末冶金常用不锈钢烧结网滤芯烧结方法有哪些" width="600" height="600" border="0" vspace="0" style="width: 600px; height: 600px;"/></p><p style=";padding: 0;line-height: 16px"><br/></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">二、加压烧结</span></strong></p><p style=";padding: 0;line-height: 16px"><span style="font-family: 宋体;font-size: 16px"><span style="font-family:宋体">在烧结时，对粉末体施加压力，以促进其致密化过程。加压烧结有时与热压</span><span style="font-family:宋体">(hot pressing)为同义词，热压是把粉末的成形和烧结结合起来，直接得到制品的工艺过程。</span></span></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px"> </span></strong></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">三、活化烧结</span></strong></p><p style=";padding: 0;line-height: 16px"><span style="font-family: 宋体;font-size: 16px">在烧结过程中采用某些物理的或化学的措施，使烧结温度大大降低，烧结时间显著缩短，而烧结体的性能却得到改善和提高。</span></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px"> </span></strong></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">四、电火花烧结</span></strong></p><p style=";padding: 0;line-height: 16px"><span style="font-family: 宋体;font-size: 16px"><span style="font-family:宋体">粉末体在成形压制时通入直流电和脉冲电，使粉末颗粒间产生电弧而进行烧结</span><span style="font-family:宋体">;在烧结时逐渐对工件施加压力，把成形和烧结两个工序合并在一起。</span></span></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px"> </span></strong></p><p style=";padding: 0;line-height: 16px"><strong><span style="font-family: 宋体;font-size: 16px">五、粉末固相烧结</span></strong></p><p style=";padding: 0;line-height: 16px"><span style="font-family: 宋体;font-size: 16px">松装粉末或压坯在烧结过程中组元不发生熔化的粉末烧结方法。粉末固相烧结按其组元多少可分为单元系固相烧结和多元系固相烧结两类。</span></p><p><br/></p> </div>
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