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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(guān)鍵詞：</span>海南鋅液氮化硅保護管批發(fā),氮化硅保護管</p><p><span>***更新：</span>2020-07-09 15:14:18</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="jxlxnlp" 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="pvbx99l" class="page-proshow02"><p class="title">詳細說明</p><div id="xdhf9jn" class="box"><p><p> 碳化硅有黑碳化硅和綠碳化硅兩個常用的基本品種，都屬α-SiC。①黑碳化硅含SiC約，海南鋅液氮化硅保護管批發(fā)，其韌性高于綠碳化硅，大多用于加工抗張強度低的材料，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～～。碳化硅由于化學性能穩(wěn)定、導熱系數(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葉輪或汽缸體的內(nèi)壁，可提高其耐磨性而延長使用壽命1～2倍;用以制成的高級耐火材料，耐熱震、體積小、重量輕而強度高,節(jié)能效果好。低品級碳化硅(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，具有優(yōu)良的導熱性能，是一種半導體，高溫時能抗氧化。作用：1)作為磨料，可用來做磨具，如砂輪、油石，海南鋅液氮化硅保護管批發(fā)，海南鋅液氮化硅保護管批發(fā)、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用領(lǐng)域。奧翔硅碳以創(chuàng)百年企業(yè)、樹百年品牌為使命，傾力為客戶創(chuàng)造更大利益！海南鋅液氮化硅保護管批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南鋅液氮化硅保護管批發(fā),氮化硅保護管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238610950009765/4976881.jpg"></div><p> 碳化硅的主要用途有哪些?金剛砂又名碳化硅包括黑碳化硅和綠碳化硅，其中：黑碳化硅是以石英砂,石油焦和質(zhì)量硅石為主要原料,通過電阻爐高溫冶煉而成。其硬度介于剛玉和金剛石之間,機械強度高于剛玉,性脆而鋒利。綠碳化硅是以石油焦和質(zhì)量硅石為主要原料,添加食鹽作為添加劑，通過電阻爐高溫冶煉而成。其硬度介于剛玉和金剛石之間,機械強度高于剛玉。那么碳化硅的主要用途有哪些?1、磨料--主要是因為碳化硅具有很高的硬度，化學穩(wěn)定性和一定的韌性，所以碳化硅能用于制造固結(jié)磨具、涂附磨具和自由研磨，從而來加工玻璃、陶瓷、石材、鑄鐵及某些非鐵金屬、硬質(zhì)合金、鈦合金、高速鋼和砂輪等。2、耐火材料和耐腐蝕材料---主要是因為碳化硅具有高熔點(分解度)、化學惰性和抗熱振性，所以碳化硅能用于磨具、陶瓷制品燒成窯爐中用的棚板和匣缽、煉鋅工業(yè)豎缸蒸餾爐用的碳化硅磚、鋁電解槽襯、坩鍋、小件爐材等多種碳化硅陶瓷制品。3、化工用途--因為碳化硅可在溶融鋼水中分解并和鋼水中的離氧、金屬氧化物反應生成一氧化碳和含硅爐渣。所以它可作為冶煉鋼鐵的凈化劑，即用作煉鋼的脫氧劑和鑄鐵改良劑。這一般使用低純度的碳化硅，以降低成本。同時還可以作為制造四氯化硅的原料。上海鋼廠氮化硅保護管供應商奧翔硅碳生產(chǎn)的產(chǎn)品受到用戶的一致稱贊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南鋅液氮化硅保護管批發(fā),氮化硅保護管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611241240234/3857722.jpg"></div><p> 碳化硅主要有四大應用領(lǐng)域，即:功能陶瓷、高級耐火材料、磨料及冶金原料。碳化硅粗料已能大量供應，不能算高新技術(shù)產(chǎn)品，而技術(shù)含量極高的納米級碳化硅粉體的應用短時間不可能形成規(guī)模經(jīng)濟。⑴作為磨料，可用來做磨具，如油石、磨頭、砂瓦類等。⑵作為冶金脫氧劑和耐高溫材料。⑶高純度的單晶，可用于制造半導體、制造碳化硅纖維。主要用途:用于3-12英寸單晶硅、多晶硅、砷化鉀、石英晶體等線切割。太陽能光伏產(chǎn)業(yè)、半導體產(chǎn)業(yè)、壓電晶體產(chǎn)業(yè)工程性加工材料。用于半導體、避雷針、電路元件、高溫應用、紫外光偵檢器、結(jié)構(gòu)材料、天文、碟剎、離合器、柴油微粒濾清器、細絲高溫計、陶瓷薄膜、裁切工具、加熱元件、核燃料、珠寶、鋼、護具、觸媒擔體等領(lǐng)域。折疊磨料磨具主要用于制作砂輪、砂紙、砂帶、油石、磨塊、磨頭、研磨膏及光伏產(chǎn)品中單晶硅、多晶硅和電子行業(yè)的壓電晶體等方面的研磨、拋光等。折疊化工折疊"三耐"材料利用碳化硅具有耐腐蝕、耐高溫、強度、導熱性能良好、抗沖擊等特性，碳化硅一方面可用于各種冶煉爐襯、高溫爐窯構(gòu)件、碳化硅板、襯板、支撐件、匣缽、碳化硅坩堝等。另一方面可用于有色金屬冶煉工業(yè)的高溫間接加熱材料。 </p><p> 該產(chǎn)品一般不需研磨加工即可使用.反應燒結(jié)法適于制造形狀復雜,尺寸精確的零件,成本也低,但氮化時間很長.熱壓燒結(jié)法(HPS)是將Si3N4粉末和少量添加劑(如MgO、Al2O3、MgF2、Fe2O3等),在1916MPa以上的壓強和1600℃以上的溫度進行熱壓成型燒結(jié).英國和美國的一些公司采用的熱壓燒結(jié)Si3N4陶瓷,其強度高達981MPa以上.燒結(jié)時添加物和物相組成對產(chǎn)品性能有很大的影響.由于嚴格控制晶界相的組成,以及在Si3N4陶瓷燒結(jié)后進行適當?shù)臒崽幚?所以可以獲得即使溫度高達1300℃時強度(可達490MPa以上)也不會明顯下降的Si3N4系陶瓷材料,而且抗蠕變性可提高三個數(shù)量級.若對Si3N4陶瓷材料進行1400―――1500℃高溫預氧化處理,則在陶瓷材料表面上形成Si2N2O相,它能提高Si3N4陶瓷的耐氧化性和高溫強度.熱壓燒結(jié)法生產(chǎn)的Si3N4陶瓷的機械性能比反應燒結(jié)的Si3N4要優(yōu)異,強度高、密度大.但制造成本高、燒結(jié)設備復雜,由于燒結(jié)體收縮大,使產(chǎn)品的尺寸精度受到一定的限制,難以制造復雜零件,只能制造形狀簡單的零件制品,工件的機械加工也較困難常壓燒結(jié)法(PLS)在提高燒結(jié)氮氣氛壓力方面,利用Si3N4分解溫度升高(通常在N2=1atm氣壓下,從1800℃開始分解)的性質(zhì),在1700―――1800℃溫度范圍內(nèi)進行常壓燒結(jié)后。公司實力雄厚，產(chǎn)品質(zhì)量可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南鋅液氮化硅保護管批發(fā),氮化硅保護管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998424088453159_zbwuzi_2925212.jpg"></div><p style="text-indent:25px">氮化硅制品按工藝可以分為反應燒結(jié)制品、熱壓制品、常壓燒結(jié)制品、等靜壓燒結(jié)制品和反應重燒制品等。其中，反應燒結(jié)是一種常用的生產(chǎn)氮化硅耐火制品的方法。反應燒結(jié)法生產(chǎn)氮化硅制品是將磨細的硅粉（粒度一般小于80μm），用機壓或等靜壓成型，坯體干燥后，在氮氣中加熱至1350～1400℃，在燒成過程中同時氮化而制得。采用這種生產(chǎn)方法，原料條件和燒成工藝及氣氛條件對制品的性能有很大的影響。硅粉中含有許多雜質(zhì)，如Fe，Ca，Aì，Ti等。Fe被認為是反應過程中的催化劑。它能促進硅的擴散，但同時，也將造成氣孔等缺點。Fe作為添加劑的主要作用：在反應過程中可作催化劑，促使制品表面生成SiO2氧化膜；形成鐵硅熔系，氮溶解在液態(tài)FeSi2中，促進β-Si3N4的生成。但鐵顆粒過大或含量過高，制品中也會出現(xiàn)氣孔等缺點，降低性能。一般鐵的加入量為0～5%。Al，Ca，Ti等雜質(zhì)，易與硅形成低共熔物。適當?shù)奶砑恿?，可以促進燒結(jié)，提高制品的性能。硅粉的粒度越細，比表面積越大，則可降低燒成溫度。粒度較細的硅粉與粒度較粗的硅粉相比，制品中含α- Si3N4的量增高。降低硅粉的粒徑，可以降**品的顯微氣孔尺寸。適當?shù)牧６扰浔?，可以提高制品密度?溫度對氮化速率影響很大。奧翔硅碳擁有業(yè)內(nèi)**人士和高技術(shù)人才。上海鋼廠氮化硅保護管供應商</p><p style="text-indent:25px">奧翔硅碳不斷從事技術(shù)革新，改進生產(chǎn)工藝，提高技術(shù)水平。海南鋅液氮化硅保護管批發(fā)</p><p> 氮化硅薄膜是硅基半導體常用的絕緣層，由氮化硅制作的懸臂是原子力顯微鏡的傳感部件。作為粒狀材料的氮化硅粉是很難加工的――不能把它加熱到它的熔點1850°C以上，因為超過這個溫度氮化硅發(fā)生分解成硅和氮氣。因此用傳統(tǒng)的熱壓燒結(jié)技術(shù)是有問題的。把氮化硅粉末粘合起來可通過添加一些其他物質(zhì)比如燒結(jié)助劑或粘合劑誘導氮化硅在較低的溫度下發(fā)生一定程度的液相燒結(jié)后粘合成塊狀材料。[16]但由于需要添加粘合劑或燒結(jié)助劑，所以這種方法會在制出的塊狀材料中引入雜質(zhì)。使用放電等離子燒結(jié)是另一種可以制備更純凈大塊材料的方法，對壓實的粉末在非常短的時間內(nèi)（幾秒中）進行電流脈沖，用這種方法能在1500-1700°C的溫度下得到緊實致密的氮化硅塊狀物。海南鋅液氮化硅保護管批發(fā)</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司成立于2002-03-27，專業(yè)硅碳棒，硅碳管，熱電偶保護管。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，碳化硅保護管，氮化硅保護管，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，輻射管等多項業(yè)務，主營業(yè)務涵蓋[ "硅碳棒廠家", "碳化硅保護管", "熱電偶保護管", "碳化硅結(jié)合氮化硅" ]。目前我公司在職員工達到51~100人人，是一個有活力有能力有創(chuàng)新精神的高效團隊。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準則。公司致力于打造***的[ "硅碳棒廠家", "碳化硅保護管", "熱電偶保護管", "碳化硅結(jié)合氮化硅" ]。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實的工作作風、良好的職業(yè)道德，樹立了優(yōu)良的[ "硅碳棒廠家", "碳化硅保護管", "熱電偶保護管", "碳化硅結(jié)合氮化硅" ]形象，贏得了社會各界的信任和認可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/547958.html</p></div></div></div></div></div><div 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