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href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="gzoa44s" class="twoCol"><div id="wkuvpbd" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://m.cdcfah.com/cp/second-yjkc_jsfm/">金屬粉末</a>?<a href="http://m.cdcfah.com/cp/third-jsfm_qtjsfm/">其他金屬粉末</a>?南通黃銅粉粉末冶金歡迎來(lái)電寧波聯(lián)銘粉末冶金供應(yīng)</p><div id="yskch2q" class="leftbox clearfix"><h1>南通黃銅粉粉末冶金歡迎來(lái)電寧波聯(lián)銘粉末冶金供應(yīng)</h1><div id="m7ln79p" class="proBig"><div id="bn3se3t" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885558906250/5911997.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3b98yqn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885558906250/5911997.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kp3wt8k" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(guān)鍵詞：</span>南通黃銅粉粉末冶金</p><p><span>***更新：</span>2020-06-27 09:23:22</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="yx4mjvx" 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(lè)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(jī): </span>0574-13484278</p><p><span>地址: </span>蛟川街道鎮(zhèn)寧東路685號(hào)</p><p>[當(dāng)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="onx7wyf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="peypypr" class="box"><p><p> 另外，據(jù)統(tǒng)計(jì)北美平均每輛汽車中含有粉末冶金零件18.6kg，與之相對(duì)應(yīng)的歐洲為7.2kg，日本為8kg，汽車工業(yè)仍是粉末冶金產(chǎn)品行業(yè)關(guān)注的行業(yè)，南通黃銅粉粉末冶金。 </p> <p> 國(guó)際粉末冶金行業(yè)**技術(shù)發(fā)展方向：為了滿足粉末冶金市場(chǎng)發(fā)展的需要，通過(guò)新材料開發(fā)、新成形技術(shù)等技術(shù)手段，實(shí)現(xiàn)粉末冶金零件對(duì)**度、高復(fù)雜形狀、多性能的要求。在材料方面包括適用于溫壓成形和燒結(jié)硬化的材料，在設(shè)備方面包括電動(dòng)控制壓機(jī)、快速模具更換系統(tǒng)，南通黃銅粉粉末冶金、高溫及效率高燒結(jié)爐等;進(jìn)一步開發(fā)粉末冶金結(jié)構(gòu)零件在汽車中的應(yīng)用，南通黃銅粉粉末冶金，以及開發(fā)高密度、低損耗粉末磁芯用于混合動(dòng)力汽車等。另外，進(jìn)一步減少CO2排放及進(jìn)一步提高材料利用率等也是一些發(fā)達(dá)國(guó)家山東粉末冶金行業(yè)技術(shù)研究的方向。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通黃銅粉粉末冶金" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885558906250/5911997.jpg"></div><p> 碳分解出后被金屬表面吸收并逐漸向內(nèi)部擴(kuò)散，在材料的表面獲得足夠的碳濃度后再進(jìn)行淬火和回火處理，會(huì)提高粉末冶金材料的表面硬度和淬硬深度。由于粉末冶金材料的孔隙存在，使得活性炭原子從表面滲入內(nèi)部，完成化學(xué)熱處理的過(guò)程。但是，材料密度越高，孔隙效應(yīng)就越弱，化學(xué)熱處理的效果就越不明顯，因此，要采用碳勢(shì)較高的還原性氣氛保護(hù)。根據(jù)粉末冶金材料的孔隙特點(diǎn)，其加熱和冷卻速度要低于致密材料，所以加熱時(shí)要延長(zhǎng)保溫時(shí)間，提高加熱溫度。 </p> <p> 粉末冶金材料的化學(xué)熱處理包括滲碳、滲氮、滲硫和多元共滲等幾種形式，在化學(xué)熱處理中，淬硬深度主要與材料的密度有關(guān)。因此，可以在熱處理工藝上采取相應(yīng)措施，比如：滲碳時(shí)，在材料密度大于7g/cm3時(shí)適當(dāng)延長(zhǎng)時(shí)間。通過(guò)化學(xué)熱處理可提高材料的耐磨性，粉末冶金材料的不均勻奧氏體滲碳工藝，使處理后的材料滲層表面的含碳量可達(dá)2%以上，碳化物均勻分布于滲層表面，能夠很好地提高硬度和耐磨性能。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通黃銅粉粉末冶金" src="https://tyunfile.71360.com/UploadFile/lmfmyj/637249885492705078/1702410.jpg"></div><p> 粉末冶金技術(shù)已經(jīng)覆蓋了眾多行業(yè)的應(yīng)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(jī)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(shí)，金屬的損耗只有1~5%，而用一般熔鑄方法生產(chǎn)時(shí)，金屬的損耗可能會(huì)達(dá)到80%。 </p> <p> 由于粉末冶金制品工藝在材料生產(chǎn)過(guò)程中并不熔化材料，也就不怕混入由坩堝和脫氧劑等帶來(lái)的雜質(zhì)，而燒結(jié)一般在真空和還原氣氛中進(jìn)行，不怕氧化，也不會(huì)給材料任何污染，故有可能制取高純度的材料。 </p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/409394.html</p></div></div></div></div></div><div id="3rlnu2a" class="page-right twoColRt"><div id="dcebi2a" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jyvs3vc" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="2w9qn4c" class="recomPic 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