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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-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_drsb/">電熱設備</a>?<a href="http://www.cdcfah.com/cp/third-drsb_redianou/">熱電偶</a>?山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家鄒平奧翔硅碳供應</p><div id="3hriszb" class="leftbox clearfix"><h1>山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家鄒平奧翔硅碳供應</h1><div id="bgifzvx" class="proBig"><div id="jug2ikn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238605112539062/2994706.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oylnkwy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238605112539062/2994706.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gqnfhj2" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家</p><p><span>***更新：</span>2020-06-07 02:02:39</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="ba3fc24" 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: </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="azbikmo" class="page-proshow02"><p class="title">詳細說明</p><div id="eogiahj" class="box"><p><p style="text-indent:25px"> 如何制備氮化硅結(jié)合碳化硅陶瓷支撐體，是需要不斷試驗和改良設計及配方的，按照**初實驗配方稱取一定量的碳化硅粉，硅粉，燒結(jié)助劑。加入適量無水乙醇，球磨4h，山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家?；旌暇鶆蚝笾糜诠娘L干燥箱中干燥，將干燥后粉體與質(zhì)量濃度為5%的PEG溶液置于瑪瑙研缽中混合均勻，將混合粉體置于密封袋中陳腐8h。陳腐后粉料倒入25mm的無孔模具內(nèi)，模壓成型，山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家，山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家。壓制成型后的素坯置于高溫氣氛管式爐中1440℃下保溫3h，制得氮化硅結(jié)合碳化硅陶瓷。采用XRD儀表征氮化硅結(jié)合碳化硅多孔陶瓷的物相；用孔徑分析儀測量陶瓷的孔徑分布；用SEM觀察陶瓷的微觀結(jié)構(gòu)；抗折強度用萬能試驗機測試；用自制儀器測量支撐體的純水通量。以上就是小編簡單為大家講的制備氮化硅結(jié)合碳化硅陶瓷支撐體的配發(fā)實驗及測試。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238605112539062/2994706.jpg"></div><p> 因此可采用較高的氮化溫度加速高溫氮化反應。4.影響氮化燒結(jié)過程的主要因素是反應的保溫時間，它是各級保溫時間的總和，該時間與坯體壁厚尺寸關系比較大。坯體壁較厚時，所需保溫時間長，反之坯體壁較薄時，所需保溫時間短。氮化硅結(jié)合碳化硅在氮化爐中燒制時，我們對氮化硅材料氮化燒結(jié)環(huán)境下的研究認為在燒成反應中存在著間接反應和直接反應。在反應中，作為反應的參與者，N2的分壓起著極為重要的作用，但不論氮分壓的大小如何，只要生產(chǎn)Si3N4，那么在坯體內(nèi)就存在著N2的濃度梯度和生成Si3N4的濃度梯度，而且這種濃度梯度的方向是相同的，越是接近坯體表面其兩個組分的濃度越高。要想反應不斷向坯體內(nèi)部推進就必須確保合適的氮分壓和反應溫度。在純Si3N4的氮化燒結(jié)中，通常會發(fā)生“流硅”反應而使氮化反應受到影響，這是因為氮化反應是一個放熱反應，為使反應完全又將Si粉的粒徑控制在很小范圍內(nèi)，這樣在氮化過程中若控制不當時，供給熱量和生成熱量疊加而使溫度達到了硅的熔點使Si粉熔化而產(chǎn)生所謂的“流硅”現(xiàn)象。在氮化硅結(jié)合碳化硅的氮化燒結(jié)中，Si粉的濃度含量相對較低，而濃度較高的SiC又有著較大的導熱率從而了“流硅”現(xiàn)象的發(fā)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238605112548828/7298124.jpg"></div><p> **終產(chǎn)品的質(zhì)量和性能與氮化反應的溫度有著緊密關系。在硅粉與氮氣發(fā)生反應的過程中，大致經(jīng)歷兩個溫度段：首先是升溫階段，然后是原料的氮化反應階段。其中升溫階段裝置內(nèi)的溫度由初始溫度升高至1100℃左右，而原料氮化反應階段的溫度在1100～1350℃。氮化硅結(jié)合碳化硅制品的市場需求量正在穩(wěn)步提升，對于生產(chǎn)企業(yè)來說，這是十分有利的市場機遇。為了贏得良好的市場口碑，提高企業(yè)產(chǎn)品在市場中的競爭力，必須對影響氮化硅結(jié)合碳化硅制品質(zhì)量的影響因素進行分析，并制定和采取有效的控制措施，使氮化硅結(jié)合碳化硅制品的質(zhì)量更有保障，加快推動企業(yè)實現(xiàn)更高的經(jīng)營發(fā)展戰(zhàn)略目標。影響氮化硅結(jié)合碳化硅制品質(zhì)量的因素有哪些？隨著碳化硅產(chǎn)業(yè)的不斷發(fā)展，其制備工藝也越來越復雜，性能更加綜合化和優(yōu)越化。在氮化硅結(jié)合碳化硅制備工藝過程中，如何對影響產(chǎn)品質(zhì)量的因素進行控制，繼而確保**終產(chǎn)品的性能，對于生產(chǎn)企業(yè)實現(xiàn)質(zhì)量控制目標是至關重要的。文章就這一相關議題進行了探討，分別從產(chǎn)品原料的性質(zhì)方面、結(jié)合劑方面、不同的成型工藝方面、干燥流程、裝窯方式以及氮化工藝流程等方面進行了分析和論述，供行業(yè)人士參考。氮化硅結(jié)合碳化硅材料是一類新型耐火材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東鋅液碳化硅結(jié)合氮化硅生產(chǎn)廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998403242635286_zbwuzi_7922021.jpg"></div></p><br /><p>文章來源地址: 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