上海氮化硅保護(hù)管廠價(jià)直銷鄒平奧翔硅碳供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="碳化硅有黑碳化硅和綠碳化硅兩個(gè)常用的基本品種，都屬α-SiC。①黑碳化硅含SiC約，其韌性高于綠碳化硅，大多用于加工抗張強(qiáng)度低的材料，如玻璃、陶瓷、石材、耐火材料、鑄鐵和有色金屬等。②綠碳化硅含SiC99%以上，自銳性好，大多用于加工硬質(zhì)合"><meta name="keywords" content="上海氮化硅保護(hù)管廠價(jià)直銷"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="searchLt"><div id="c4y2ay4" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="migomsy" class="clearfix searchWrap"><div id="42qmywu" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="qyoecsg" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a 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src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611242197265/5376407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q2yo2s2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611242197265/5376407.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="maqwe2k" 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>上海氮化硅保護(hù)管廠價(jià)直銷</p><p><span>***更新：</span>2020-06-21 22:18:43</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="4i4csio" 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="aeuae4i" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="omkkao2" class="box"><p><p> 碳化硅有黑碳化硅和綠碳化硅兩個(gè)常用的基本品種，都屬α-SiC。①黑碳化硅含SiC約，其韌性高于綠碳化硅，大多用于加工抗張強(qiáng)度低的材料，如玻璃、陶瓷、石材、耐火材料、鑄鐵和有色金屬等。②綠碳化硅含SiC99%以上，自銳性好，大多用于加工硬質(zhì)合金、鈦合金和光學(xué)玻璃，也用于珩磨汽缸套和精磨高速鋼。此外還有立方碳化硅，它是以特殊工藝制取的黃綠色晶體，用以制作的磨具適于軸承的超精加工，可使表面粗糙度從Ra32～～。碳化硅由于化學(xué)性能穩(wěn)定、導(dǎo)熱系數(shù)高、熱膨脹系數(shù)小、耐磨性能好，除作磨料用外，還有很多其他用途，例如：以特殊工藝把碳化硅粉末涂布于水輪機(jī)葉輪或汽缸體的內(nèi)壁，可提高其耐磨性而延長(zhǎng)使用壽命1～2倍;用以制成的高級(jí)耐火材料，耐熱震、體積小、重量輕而強(qiáng)度高,節(jié)能效果好。低品級(jí)碳化硅(含SiC約85%)是極好的脫氧劑，用它可加快煉鋼速度，并便于控制化學(xué)成分，提高鋼的質(zhì)量。此外，碳化硅還大量用于制作電熱元件硅碳棒。碳化硅的硬度很大，上海氮化硅保護(hù)管廠價(jià)直銷，具有優(yōu)良的導(dǎo)熱性能，是一種半導(dǎo)體，高溫時(shí)能抗氧化。作用：1)作為磨料，可用來(lái)做磨具，上海氮化硅保護(hù)管廠價(jià)直銷，如砂輪、油石，上海氮化硅保護(hù)管廠價(jià)直銷、磨頭、砂瓦類等。(2)作為冶金脫氧劑和耐高溫材料。碳化硅主要有四大應(yīng)用領(lǐng)域。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海氮化硅保護(hù)管廠價(jià)直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611242197265/5376407.jpg"></div><p> 碳化硅特種性質(zhì)的總結(jié)碳化硅是Si和C二元系統(tǒng)中的二元化合物。其原子比是1:1。下面主要講解下碳化硅的特性。1穩(wěn)定性較好。在HCl、H2SO4和HF中煮沸也不受侵蝕。SiC同硅酸在高溫下也不發(fā)生反應(yīng)，故具有抵抗酸性熔渣的良好性能。SiC同石灰在525度開始反應(yīng)，在1000度附近反應(yīng)，與氧化銅的反應(yīng)在800度已強(qiáng)烈進(jìn)行。。同氧化鐵在1000-1200度，進(jìn)行反應(yīng)，到1300度已明顯崩裂反應(yīng)。同氧化錳反應(yīng)從1360度起到崩裂反應(yīng)。SiC在氯氣中，從600度開始與之反應(yīng)，到1200度可使其分解為SiCl4和CCl4。熔融堿在熾熱下可使SiC分解。2抗氧化性較好碳化硅在常溫下，抗氧化性很好，在合成SiC時(shí)殘留的Si、C及氧化鐵對(duì)SiC的氧化程度有影響。在普通氧化氣氛下純SiC可在高達(dá)1500度的溫度下安全使用，而含有部分雜質(zhì)的碳化硅，在1220度會(huì)發(fā)生氧化。3抗熱震性較好。由于碳化硅不熔化和分解出蒸氣的溫度很高，并具有很高的導(dǎo)熱性和低的熱膨脹性，從而具有好的抗熱震性。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海氮化硅保護(hù)管廠價(jià)直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611243632812/4849084.jpg"></div><p> 氮化硅制品想必大家都不陌生，它的粉末對(duì)于燒結(jié)制品起到非常重要的作用，但是在高溫條件下卻不能被氫氣還原的，除此之外它還不導(dǎo)電，屬于一個(gè)絕緣體，下面就給具體的大家介紹一下這幾個(gè)問(wèn)題：一、粉末對(duì)燒結(jié)制品性能的影響1、影響粉末冶金燒結(jié)體性能的因素很多，主要是粉末體的性狀、成形條件和燒結(jié)的條件。2、燒結(jié)條件的因素包括加熱速度、燒結(jié)溫度和時(shí)間、冷卻速度、燒結(jié)氣氛及燒結(jié)加壓狀況等。二、不導(dǎo)電：那是因?yàn)樗慕Y(jié)構(gòu)與金剛石相似，也是原子晶體，硬度超過(guò)金剛石。電子沒(méi)有傳遞的通道，所以不能導(dǎo)電。三、高溫下不被還原：1、高溫下是不能被氫氣還原的，因?yàn)楫a(chǎn)品性能比較穩(wěn)定，是一種重要的結(jié)構(gòu)陶瓷材料。它是一種超硬物質(zhì)，為原子晶體高溫時(shí)抗氧化。2、它還能抵抗冷熱沖擊，在空氣中加熱到1000℃以上，急劇冷卻再急劇加熱，也不會(huì)碎裂。人們常常利用它來(lái)制造軸承、氣輪機(jī)葉片、機(jī)械密封環(huán)、長(zhǎng)久性模具等機(jī)械構(gòu)件。氮化硅制品憑借良好的性質(zhì)被大家普遍的接受，具有耐磨損、耐腐蝕、潤(rùn)滑性強(qiáng)等多個(gè)特點(diǎn)，而且它不單單可以應(yīng)用在陶瓷行業(yè)，還能提高柴油機(jī)的質(zhì)量、熱效率，是一個(gè)多功能物質(zhì)。 </p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/342845.html</p></div></div></div></div></div><div id="ykyo4aw" class="page-right twoColRt"><div id="aqo22ci" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2c0geci" class="recomPic 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