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window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdStyle":"0","bdSize":"16"},"share":{},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到：","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; </script> </div> <div id="qtejoic" class="cl"></div> </div> <div id="qtejoic" class="nyxqnews_leftcont"> 　　<div id="qtejoic" class="in_new"> <p>石墨坩堝為何可能耐溫個(gè)別咱們所說(shuō)的坩堝被分為石墨坩堝、粘土坩堝跟金屬坩堝三大類。其中石墨坩堝的主體原料是結(jié)晶形天然石墨。所以他堅(jiān)持著天然石墨原有的特別性。即存在良好的熱導(dǎo)性跟耐高溫性，在高溫利用進(jìn)程中，熱膨脹系數(shù)小，對(duì)急熱、急冷存在一定抗應(yīng)變機(jī)能。對(duì)酸，堿性溶液的抗腐化性較強(qiáng)，存在精良的化學(xué)牢固性。</p> <div style="text-align: center;"><img src="http://memberpic.114my.com.cn/dgys99/uploadfile/image/20230202/20230202153328_1656940386.jpeg" alt="干貨談?wù)勈釄鍨楹慰梢阅蜏?></div><p>在石墨坩堝中，又有普型石墨坩堝與異型石墨坩堝及高純石墨坩堝三種。各品種型的石墨坩堝，因?yàn)闄C(jī)能、用處跟利用前提不同，所用的原料、生產(chǎn)方法、工藝技巧跟產(chǎn)品型號(hào)規(guī)格也都有所差別。坩堝，是以結(jié)晶形天然石墨為主體原料，可塑性耐火粘土作粘結(jié)劑，經(jīng)與不同類型熟料配合而制成的重要利用于冶煉特種合金鋼、熔化有色金屬及其合金的耐火石墨坩堝。就產(chǎn)品的機(jī)能、用處而言，石墨坩堝是耐火資料的一個(gè)組成局部。粘土，三是經(jīng)過(guò)煅燒的硬質(zhì)高嶺土類骨架熟料。近年來(lái)，開(kāi)端采取耐高溫的合成資料，如：碳化硅坩堝、氧化鋁金剛砂及硅鐵等做坩堝的骨架熟料。這種熟料對(duì)進(jìn)步坩堝產(chǎn)品德量，加強(qiáng)坩堝密度跟機(jī)械強(qiáng)度有著明顯后果。</p> <p>坩堝的生產(chǎn)原料，可概括為三大類型。一是結(jié)晶質(zhì)的天然石墨，二是可塑性的耐火。以上是咱們公司給大家做出的石墨坩堝機(jī)能的淺析。通過(guò)這篇文章盼望能給你帶來(lái)幫助。</p> </div> </div> <div id="qtejoic" class="nyxqnews_leftpage"> <div id="qtejoic" class="nyxqnews_leftup">上一篇: <a href="news_content-1022056.html" title="石墨材料有什么樣特征？">石墨材料有什么樣特征？</a> </div> <div id="qtejoic" class="nyxqnews_leftdown">下一篇: <a href="news_content-1022058.html" title="軸承精密石墨密封環(huán)的研磨">軸承精密石墨密封環(huán)的研磨</a> </div> </div> </div> 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