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href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_drsb/">電熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-drsb_guitanbang/">硅碳棒</a>?內(nèi)蒙古粗端式硅鉬棒鄒平奧翔硅碳供應(yīng)</p><div id="k2cdoku" class="leftbox clearfix"><h1>內(nèi)蒙古粗端式硅鉬棒鄒平奧翔硅碳供應(yīng)</h1><div id="dy724k8" class="proBig"><div id="f7you27" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607267578125/1619478.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lupvrst" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607267578125/1619478.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8gbm7qo" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>內(nèi)蒙古粗端式硅鉬棒,硅鉬棒</p><p><span>***更新：</span>2020-08-23 11:00:48</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="gxypq7x" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">鄒平縣奧翔硅碳制品有限公司</a></p><p><span>聯(lián)系人：</span>張洪恩</p><p><span>郵箱: </span>13884861614@163.com</p><p><span>電話: </span>13884861614</p><p><span>傳真: </span>0543_4534117</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0543-4533667</p><p><span>地址: </span>山東省鄒平市臨池鎮(zhèn)望京村</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="cf3vagh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2lmijza" class="box"><p><p>硅鉬棒簡述：硅鉬棒阻性電熱元件，以二硅化鉬為基礎(chǔ)制成，耐高溫、抗氧化的。在高溫氧化性氣氛下使用時(shí)，表面生成一層光亮致密的石英（SiO2）玻璃膜，能夠保護(hù)硅鉬棒內(nèi)層不再氧化，硅鉬棒元件具有獨(dú)特的高溫抗氧化性。硅鉬棒阻性電熱元件是一種以二硅化鉬為基礎(chǔ)制成的耐高溫、抗氧化的電阻發(fā)熱元件，內(nèi)蒙古粗端式硅鉬棒。在高溫氧化性氣氛下使用時(shí)，表面生成一層光亮致密的石英（SiO2）玻璃膜，能夠保護(hù)硅鉬棒內(nèi)層不再氧化，因此硅鉬棒元件具有獨(dú)特的高溫抗氧化性。在氧化氣氛下、使用溫度高達(dá)1800℃，硅鉬棒電熱元件的電阻隨著溫度升高而迅速增加，當(dāng)溫度不變時(shí)電阻值穩(wěn)定。在正常情況下元件電阻不隨使用時(shí)間的長短而發(fā)生變化，因此，內(nèi)蒙古粗端式硅鉬棒，新舊硅鉬棒電熱元件可以混合使用。根據(jù)加熱設(shè)備裝置的結(jié)構(gòu)、工作氣氛和溫度，對(duì)電熱元件的表面負(fù)荷進(jìn)行正確地選擇，是硅鉬棒電熱元件的使用壽命的關(guān)鍵。硅鉬棒化學(xué)符號(hào)：分子式：MoSi2硅鉬棒理化性能：密度：～抗彎強(qiáng)度：20MPa(20℃)維氏硬度(HV)：570kg/mm2氣孔率：～吸水率：熱伸長率：4%輻射系數(shù)：～(800～2000℃)硅鉬棒產(chǎn)品應(yīng)用：硅鉬棒電熱元件產(chǎn)品廣泛應(yīng)用于冶金、煉鋼、玻璃、陶瓷，內(nèi)蒙古粗端式硅鉬棒、耐火材料、晶體、電子元器件、半導(dǎo)體材料的研究、生產(chǎn)制造等領(lǐng)域。奧翔硅碳以發(fā)展求壯大，就一定會(huì)贏得更好的明天。內(nèi)蒙古粗端式硅鉬棒</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古粗端式硅鉬棒,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607267578125/1619478.jpg"></div><p>硅碳棒在生產(chǎn)時(shí)，要使用各種粒度經(jīng)過一定比例混合的碳化硅顆粒，為什么不使用統(tǒng)一粒度的碳化硅顆粒呢？若使用統(tǒng)一較大顆粒的碳化硅，堆積密度不夠高，會(huì)造成硅碳棒內(nèi)有大量小孔，這樣的硅碳棒整體性不好，不結(jié)實(shí)還更容易氧化。若統(tǒng)一使用較小粒度的碳化硅顆粒，生產(chǎn)的硅碳棒強(qiáng)度不會(huì)太好，生產(chǎn)難度會(huì)更大，所消耗的電量更大，容易出現(xiàn)各種問題，比如燒結(jié)不完全、彎曲等。各個(gè)硅碳棒生產(chǎn)廠家在生產(chǎn)硅碳棒時(shí)所使用的比例碳化硅可能有略微的差異，因?yàn)樵O(shè)備和環(huán)境都不相同。如果要從外觀上判斷硅碳棒的質(zhì)量好壞是可以嘗試的，建議使用不能用的舊棒，折斷后看一下棒的斷面是否光滑、整體性是否比較強(qiáng)。不光滑整體性不好的可能是燒結(jié)不夠完全也可能是顆粒粒度配合沒有掌握好。這樣的硅碳棒使用起來強(qiáng)度不夠高，抗氧化性能也不好。內(nèi)蒙古粗端式硅鉬棒奧翔硅碳重信譽(yù)、守合同，嚴(yán)把產(chǎn)品質(zhì)量關(guān)，熱誠歡迎廣大用戶前來咨詢考察，洽談業(yè)務(wù)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古粗端式硅鉬棒,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607185839844/612263.jpg"></div><p>制造硅碳棒半成品時(shí)的燒制溫度可達(dá)到2200多度，老工藝硅碳棒在燒制時(shí)采用的是瀝青粘和，采用的又是煤火燒結(jié)，溫度較低，所以燒制的時(shí)間很長。新工藝的配方與老工藝不同，采用的是電爐燒制，熱端燒制溫度在2200度-2500度之間，燒制溫度高，元件的內(nèi)部材料才會(huì)反應(yīng)的徹底，內(nèi)部氣孔就小，密度相應(yīng)就大許多。反應(yīng)燒結(jié)是目前國內(nèi)普通陶瓷與特種陶瓷**常用的燒結(jié)方法，因其生產(chǎn)工藝相對(duì)簡單，生產(chǎn)成本較低，所以大部分碳化硅密封件，碳化硅軸承，碳化硅噴嘴等生產(chǎn)廠家都選擇這種方式。反應(yīng)燒結(jié)碳化硅陶瓷的制備工藝較為簡單，它直接采用一定粒度的碳化硅，與碳黑混合后成型擠壓成坯，然后在高溫?zé)葡逻M(jìn)行滲硅，一部分硅與碳反應(yīng)生成碳化硅與原來坯中的碳化硅結(jié)合,達(dá)到燒結(jié)目的。滲硅的方法有兩種：一種是溫度達(dá)到硅的熔化溫度，產(chǎn)生硅的液體，通過空隙直接進(jìn)入坯體與碳反應(yīng)生產(chǎn)碳化硅至燒結(jié);另一種是溫度大于硅的熔融溫度，產(chǎn)生硅的蒸氣，通過硅蒸氣深入坯體達(dá)到燒結(jié)目的。前一種方法燒結(jié)后殘留的游離硅一般較多，通常達(dá)到10-15%有時(shí)會(huì)達(dá)到15%以上;用氣相法滲硅，由于坯體的預(yù)留氣孔相對(duì)少，燒結(jié)后的游離硅含量可降低到10%以下。</p><p>硅碳棒是一種非線性電阻發(fā)熱體，常溫下電阻體離散較大，通電加熱時(shí)從室溫至850度左右電阻值逐漸下降，800℃-900℃之間電阻值緩慢上升，在1100度電阻值基本穩(wěn)定，此時(shí)測(cè)定的電阻比較標(biāo)準(zhǔn)，便于安裝時(shí)搭配合理，這個(gè)溫度是硅碳棒比較好的工作溫度，使用2000小時(shí)就是在這個(gè)溫度測(cè)定的。硅碳棒具有化學(xué)穩(wěn)定性，它在干燥，潔凈的空氣中連續(xù)使用（1100℃）壽命可達(dá)2000小時(shí)以上。在氫氣爐，氮?dú)鉅t或有水蒸氣的爐內(nèi)使用時(shí)會(huì)與氧氣，氮?dú)夂退魵獍l(fā)生反應(yīng)，為合理使用硅碳棒應(yīng)避免與有害氣體接觸。氫氣能使碳化硅的結(jié)構(gòu)破壞，使元件機(jī)械強(qiáng)度降低。氮?dú)庠?200度以下能防止碳化硅的氧化，但是溫度超過1200度以上時(shí)會(huì)與元件發(fā)生反應(yīng)，導(dǎo)致碳化硅的分解。氯氣在1000度便與碳化硅發(fā)生反應(yīng)，升溫到1200度以上則會(huì)完全分解碳化硅。由于碳化硅在高溫時(shí)表面與內(nèi)部被氧化，致使元件中的二氧化硅含量逐漸增多，使其電阻增大，這是正常的老化現(xiàn)象。硅碳棒在使用中，前幾十個(gè)工作日老化速度快，以后的老化速度緩慢，主要是元件表面的保護(hù)膜減緩了內(nèi)部的氧化，隨著使用時(shí)間的增加，保護(hù)膜會(huì)逐漸變薄，甚至脫落，內(nèi)部就會(huì)慢慢氧化。硅碳棒的老化速度取決于元件的使用溫度和表面負(fù)荷。奧翔硅碳是多層次的模式與管理模式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古粗端式硅鉬棒,硅鉬棒" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238607270195312/6458471.jpg"></div><p>硅碳棒作為電熱元件已經(jīng)普遍的在工業(yè)上得到應(yīng)用。一般電熱元件分為金屬電熱元件和非金屬電熱元件，硅碳棒硅鉬棒屬于非金屬電熱元件。那么硅碳棒相比金屬電熱元件有什么優(yōu)點(diǎn)呢？硅碳棒的使用溫度比較高。首先硅碳棒的熔點(diǎn)比較高，高溫下強(qiáng)度也比較大。一般的金屬電熱元件為么么使用溫度沒那么高，因?yàn)橐话憬饘匐姛嵩埸c(diǎn)也就一千到兩千度，那么當(dāng)?shù)竭_(dá)一千多度時(shí)就算不融化也會(huì)揮發(fā)或者變形等等。而硅碳棒的熔點(diǎn)很高，并且在高溫下也不怎么會(huì)揮發(fā)，因此硅碳棒比金屬電熱元件的使用溫度要高；抗氧化性能好。金屬電熱元件的氧化速度比較快，因?yàn)榻饘僭诟邷叵卵趸と菀灼屏褟亩M(jìn)一步氧化。而硅碳棒雖然也會(huì)氧化但是相比金屬來說要慢的多；安裝使用方便，體積固定不易變形。金屬電熱元件由于電阻率比較小，所以要加長長度來增加整體電阻，通常我們看到的金屬電熱元件都是彎曲類似于彈簧，就是這個(gè)原因。硅碳棒的電阻率比較大，因此長度不需要很長，體積也是固定的，安裝使用起來比較方便；連續(xù)使用性能穩(wěn)定。一般的金屬電熱元件，氧化速度跟使用時(shí)長成正比，因此一般間斷使用會(huì)增加壽命，連續(xù)不間斷使用則會(huì)加快氧化。但是碰到需要連續(xù)使用的情況就不行了。而硅碳棒正好相反。以客戶至上為理念，為客戶提供咨詢服務(wù)。內(nèi)蒙古高溫硅鉬棒</p><p style="text-indent:25px">奧翔硅碳在客戶和行業(yè)中樹立了良好的企業(yè)形象。內(nèi)蒙古粗端式硅鉬棒</p><p>氮化硅結(jié)合碳化硅熱輻射管主要有兩種產(chǎn)品，一種為一端封口的，另一種為兩端都是開口的，都用于鋁制品鑄造行業(yè)。由于它具有導(dǎo)熱性優(yōu)越，管壁薄，傳熱效率高，抗熔融金屬侵蝕能力強(qiáng)，耐腐蝕性好，對(duì)金屬溶液沒污染，熱膨脹系數(shù)低，不掉渣，不開裂，耐高溫，結(jié)構(gòu)簡單，安裝方便，易于維護(hù)等特點(diǎn)，被廣泛應(yīng)用與有色金屬鑄造行業(yè)。一端封口的管子在鋁制品行業(yè)使用中起到隔絕鋁液與硅碳棒的接觸，對(duì)硅碳棒起到很好的保護(hù)作用，所以又叫做硅碳棒保護(hù)管或硅碳棒保護(hù)套。兩端都開口的用于鋁輪轂制造時(shí)鋁液從管子的低端升到高處，又稱作升液管。用作保護(hù)硅碳棒的管子因?yàn)槭且欢朔饪诘模杼及糁荒懿捎肬型或雙螺紋硅碳棒，輻射管的直徑隨硅碳棒的間距而定，保護(hù)管直徑能做到600mm，長度可以做到3000mm。內(nèi)蒙古粗端式硅鉬棒</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司是一家硅碳棒，硅碳管，熱電偶保護(hù)管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護(hù)管，氮化硅保護(hù)管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門型硅碳棒，槍型硅碳棒，升液管，輻射管的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、機(jī)械及行業(yè)設(shè)備可信賴的合作伙伴。鄒平奧翔硅碳供應(yīng)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的[ "硅碳棒廠家", "碳化硅保護(hù)管", "熱電偶保護(hù)管", "碳化硅結(jié)合氮化硅" ]。公司繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。鄒平奧翔硅碳供應(yīng)始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1011594.html</p></div></div></div></div></div><div id="dkgr3pa" class="page-right twoColRt"><div id="oqqgmcy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sbr773p" 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" 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="rz88qwn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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