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class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://www.cdcfah.com/cp/second-yjkc_jsfm/">金屬粉末</a>?<a href="http://www.cdcfah.com/cp/third-jsfm_qtjsfm/">其他金屬粉末</a>?徐州軸承粉末冶金寧波聯(lián)銘粉末冶金供應</p><div id="oxd12to" class="leftbox clearfix"><h1>徐州軸承粉末冶金寧波聯(lián)銘粉末冶金供應</h1><div id="xzqav7y" class="proBig"><div id="lfidy2x" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885557910156/2990697.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tkjlgyp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885557910156/2990697.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="udyi41f" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>徐州軸承粉末冶金</p><p><span>***更新：</span>2020-05-26 00:49:05</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="smlnxa1" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波聯(lián)銘粉末冶金有限公司</a></p><p><span>聯(lián)系人：</span>樂雪君</p><p><span>郵箱: </span>286178122@qq.com</p><p><span>電話: </span>13484278563</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0574-13484278</p><p><span>地址: </span>蛟川街道鎮(zhèn)寧東路685號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="id6zcqt" class="page-proshow02"><p class="title">詳細說明</p><div id="6zntdup" class="box"><p><p> 粉末冶金材料的熱處理工藝 </p> <p> 粉末冶金材料的熱處理工藝您了解多少呢?現(xiàn)在粉末冶金材料被應用得越來越寬泛，它們在取代低密度、低硬度和強度的鑄鐵材料方面已經(jīng)具有明顯優(yōu)勢。粉末冶金材料的熱處理有淬火、化學熱處理、蒸汽處理和特殊熱處理幾種形式，下面魯州粉末冶金制品有限公司為大家著重介紹淬火熱處理和化學熱處理兩種。 </p> <p> 淬火熱處理工藝 </p> <p> 粉末冶金材料由于孔隙的存在，在傳熱速度方面要低于致密材料，因此在淬火時，淬透性相對較差。另外淬火時，粉末材料的燒結(jié)密度和材料的導熱性是成正比關系的;粉末冶金材料因為燒結(jié)工藝與致密材料的差異，內(nèi)部均勻性要優(yōu)于致密材料，徐州軸承粉末冶金，但存在較小的微觀區(qū)域的不均勻性，所以，徐州軸承粉末冶金，完全奧氏體化時間比相應鍛件長50%，徐州軸承粉末冶金，在添加合金元素時，完全奧氏體化溫度會更高、時間會更長。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州軸承粉末冶金" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885557910156/2990697.jpg"></div><p> 粉末冶金技術已經(jīng)覆蓋了眾多行業(yè)的應用，由于粉末冶金加工方法能壓制成**終尺寸的壓坯，而不需要或很少需要隨后的機械加工，故能有效節(jié)約金屬，降低產(chǎn)品成本。用粉末冶金產(chǎn)品方法制造產(chǎn)品時，金屬的損耗只有1~5%，而用一般熔鑄方法生產(chǎn)時，金屬的損耗可能會達到80%。 </p> <p> 由于粉末冶金制品工藝在材料生產(chǎn)過程中并不熔化材料，也就不怕混入由坩堝和脫氧劑等帶來的雜質(zhì)，而燒結(jié)一般在真空和還原氣氛中進行，不怕氧化，也不會給材料任何污染，故有可能制取高純度的材料。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州軸承粉末冶金" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885492705078/1702410.jpg"></div><p> 粉末冶金制品的電鍍處理，目前流行的辦法是將多孔的粉末冶金零件例如粉末制品用樹脂、蠟料或一些熔融的化合物將孔封閉。用填充孔隙的方法來避免清洗不徹底帶來的問題，同時選擇的粉末冶金廠家電鍍工藝過程要盡量避免所用溶液的含有強腐蝕性或者促進腐蝕的介質(zhì)，例如避免溶液內(nèi)有氯離子等物質(zhì)。要填孔須在填充前先用高溫烘烤以去除油煙，這樣可以除去滯留在孔內(nèi)的油料以幫助封閉劑的進入和結(jié)合，除盡油后可浸樹脂封閉，真空填充效果比單純的浸泡要好。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州軸承粉末冶金" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885558906250/5911997.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/39935.html</p></div></div></div></div></div><div id="996972w" class="page-right twoColRt"><div id="k4z97sr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="evfhcfw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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