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href="#">可伐合金毛細(xì)管-歡迎來(lái)廠考察</a></strong></li> <li> 來(lái)源: <span>tuoya</span> </li> <div id="pxzh996" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網(wǎng)"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到wx"></a> </div> </ul> <div id="isx0oss" class="tu"> <div id="0oqswxc" class="t_left1213"> <div id="fngq9uy" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212303041831.jpg" id="pimgbig" alt="可伐合金毛細(xì)管-歡迎來(lái)廠考察"></div> <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212303041831.jpg" alt="可伐合金毛細(xì)管-歡迎來(lái)廠考察"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212303399658.jpg" alt="可伐合金毛細(xì)管-歡迎來(lái)廠考察"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212302210613.jpg" alt="可伐合金毛細(xì)管-歡迎來(lái)廠考察"></li> </ul> </div> </div> </div> <div class="uc9psu5" id="showmsg_content"> <div id="n4ddill" class="new-cont-box new-cont-box-300"> <div id="w5mv4hm" class="new-info-box"> <pre> <hr> <div id="f4eceim" class="ty-tips1212">以下是:濰坊市奎文區(qū)可伐合金毛細(xì)管-歡迎來(lái)廠考察的產(chǎn)品參數(shù) </div> <div id="4jqt9k9" class="newcanshubox"> <table><tbody><tr><th colspan="2">產(chǎn)品參數(shù)</th></tr><tr><th>產(chǎn)品價(jià)格</th><td>電議</td></tr><tr><th>發(fā)貨期限</th><td>電議</td></tr><tr><th>供貨總量</th><td>電議</td></tr><tr><th>運(yùn)費(fèi)說(shuō)明</th><td>電議</td></tr><tr><th>產(chǎn)地</th><td>中國(guó)</td></tr><tr><th>品牌</th><td>無(wú)錫拓亞</td></tr><tr><th>材質(zhì)</th><td>4J28、4J29、4J34、4J36、4J42、4J43、4J45、4J50、4J54、4J58、4J6</td></tr><tr><th>用途</th><td>廣泛用于制作電真空元件，電力電子等行業(yè)的器件使用。</td></tr><tr><th>范圍</th><td>可伐合金毛細(xì)管-供應(yīng)范圍覆蓋山東省濰坊市濰城區(qū)、寒亭區(qū)、坊子區(qū)、奎文區(qū)、臨朐縣、昌樂(lè)縣、青州市、諸城市、壽光市、安丘市、高密市、昌邑市等區(qū)域。</td></tr></tbody> </table> </div> <div id="sh0ryxx" class="_hnyd3w2aqb"></div><div id="xcihk40" class="cont-tips">【拓亞】業(yè)務(wù)覆蓋多元場(chǎng)景，提供以下產(chǎn)品和服務(wù)：坊子TA2鈦管價(jià)格公道合理、昌樂(lè)TA2鈦管銷售的是誠(chéng)信、青州TA2鈦管現(xiàn)貨充足、諸城TA2鈦管源頭廠家量大價(jià)優(yōu)、安丘TA2鈦管注重細(xì)節(jié)、昌邑TA2鈦管現(xiàn)貨交易等。在濰坊市奎文區(qū)采買<span id="yf46ota" class="tybt1">可伐合金毛細(xì)管-歡迎來(lái)廠考察</span>到<span id="y49h9ac" class="tysbm1">拓亞鋼鐵(奎文區(qū)分公司)</span>,無(wú)論您是個(gè)人用戶還是企業(yè)采購(gòu),我們都將竭誠(chéng)為您服務(wù)。品質(zhì)保證,價(jià)格優(yōu)惠,廠家直銷,歡迎有需要的客戶來(lái)電。聯(lián)系人:<span id="l9jhojm" class="tylxr">衣述振</span>,地址:《<span id="xfj4cag" class="tydz">新區(qū)城南路</span>》。山東省,濰坊市,奎文區(qū) 2022年，奎文區(qū)實(shí)現(xiàn)地區(qū)生產(chǎn)總值377.73億元，其中，二、三產(chǎn)業(yè)增加值分別完成57.52和320.21億元，三次產(chǎn)業(yè)比重為0.00∶15.23∶84.77。</div> <p> <div id="4qsvva9" class="ty-tips1212">一分鐘的時(shí)間，對(duì)于了解我們的可伐合金毛細(xì)管-歡迎來(lái)廠考察產(chǎn)品來(lái)說(shuō)足夠了。請(qǐng)觀看這部精心制作的產(chǎn)品視頻，讓產(chǎn)品的獨(dú)特之處和卓越性能一覽無(wú)余。</div><p></p><div id="5z9jlpo" class="ty-tips1212">以下是:可伐合金毛細(xì)管-歡迎來(lái)廠考察的圖文介紹 </div><div id="o0ktt9e" class="khcont5"><p> 可伐合金常見(jiàn)類型：玻璃封接用鉻鐵合金<br /> 和玻璃封接用的鉻鐵合金是含鉻28%的鉻鐵合金，又稱做高鉻鋼或28號(hào)膨脹合金。合金中由于加入了鉻，使膨脹系數(shù)降低，因此可與軟玻璃進(jìn)行匹配封接。含鉻量高的鉻鐵合金，一般在室溫至熔點(diǎn)溫度的全部范圍內(nèi)將是鐵氧體的狀態(tài)，所以也稱做鐵氧體的鉻鐵合金。這種合金在封接前需在濕氫中加熱到950℃，使表面形成灰綠色的、薄而致密的CrO3及Fe2O3的氧化層，這種氧化層能很好地溶入玻璃并形成草綠色或褐綠色的封接面。這種合金的特點(diǎn)是，由于含鉻量大于28%，因而其相變點(diǎn)特別高。一般顯像管的第二陽(yáng)極引線帽及彩色顯像管中屏上固定蔭罩框架的錐頭。圓掃描示波管的偏轉(zhuǎn)電極針等，以及盤形芯柱的管針，均是由高鉻鋼制的。過(guò)去當(dāng)顯像管玻璃錐體的壓制工藝未解決時(shí)，曾用高鉻鋼作成金屬錐體，再和玻璃屏進(jìn)行封接，這在一些老式顯像管中還可看到。然而必須注意，當(dāng)加熱到800-1200℃以上時(shí)，將產(chǎn)生奧斯丁體鐵，這種奧斯丁體的膨脹系數(shù)要比鐵氧體的鉻鐵合金大得多，并且在較低溫度時(shí)，仍能穩(wěn)定地保存在合金中，在這種情況下，將使膨脹系數(shù)改變，因而就會(huì)出現(xiàn)膨脹系數(shù)特性曲線不正常的危險(xiǎn)，而使材料不適合和玻璃封接。因此，鐵氧體的鉻鐵合金無(wú)論是在冶煉生產(chǎn)中或是在使用中，對(duì)于奧斯丁體的出現(xiàn)，必須給予很大的注意。<br /> 鉻鐵合金沒(méi)有氧化的危險(xiǎn)，所產(chǎn)生的綠到鼠灰色的氧化鉻及氧化鐵表面層，是非常牢固地附著在合金絲上，并且在封接過(guò)程中還可防止進(jìn)一步的氧化。 </p></div><p><img src="http://img.cjjhb.com/UploadImages/202109/01/202109011414040176.jpg" alt="可伐合金毛細(xì)管-歡迎來(lái)廠考察"/></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305293018.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305239023.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><div id="xfki5sz" class="khcont">可伐(Kovar)合金。該合金在20～450℃具有與硅硼硬玻璃相近的線膨脹系數(shù)，居里點(diǎn)較高，并有良好的低溫組織穩(wěn)定性。合金的氧化膜致密，能很好地被玻璃浸潤(rùn)。且不與汞作用，適合在含汞放電的儀表中使用。是電真空器件主要密封結(jié)構(gòu)材料。<br /> 材料的技術(shù)標(biāo)準(zhǔn) YB/T 5231-1993<br /> 熱處理制度標(biāo)準(zhǔn)規(guī)定的膨脹系數(shù)及低溫組織穩(wěn)定性的性能檢驗(yàn)試樣，在氫氣氣氛中加熱至900℃±20℃,保溫1h，再加熱至1100℃±20℃，保溫15min，以不大于5℃/min速度冷至200℃以下出爐。<br /> 熔煉與鑄造工藝用非真空感應(yīng)爐、真空感應(yīng)爐或電弧爐熔煉。<br /> 應(yīng)用概況與特殊要求該合金是國(guó)際通用的典型的Fe-Ni-Co硬玻璃封接合金。經(jīng)航空工廠長(zhǎng)期使用，性能穩(wěn)定。主要用于電真空元器件如發(fā)射管、振蕩管、引燃管、磁控管、晶體管、密封插頭、繼電器、集成電路的引出線、底盤、外殼、支架等的玻璃封接。在應(yīng)用中應(yīng)使選用的玻璃與合金的膨脹系數(shù)相匹配。根據(jù)使用溫度嚴(yán)格檢驗(yàn)其低溫組織穩(wěn)定性。在加工過(guò)程中應(yīng)進(jìn)行適當(dāng)?shù)臒崽幚?，以保證材料具有良好的深沖引伸性能。當(dāng)使用鍛材時(shí)應(yīng)嚴(yán)格檢驗(yàn)其氣密性。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305177772.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305121512.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305104298.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><p class="typys"><span id="lszvcxf" class="tycsgsmz6">濰坊奎文拓亞鋼鐵有限公司</span>主營(yíng)：<span id="9tz9pu4" class="tycsgjc6"> TA2鈦管</span>設(shè)計(jì)、銷售、施工團(tuán)隊(duì)一體化服務(wù)。公司的誠(chéng)信、實(shí)力獲得<span id="fk94rrv" class="tycsgjc6"> TA2鈦管</span>業(yè)界用戶的認(rèn)可。期待各界朋友蒞臨參觀、指導(dǎo)和業(yè)務(wù)洽談我們將以新的機(jī)制、新的起點(diǎn)，<span id="mr4c94y" class="tycsgjc6"> TA2鈦管</span>的研究和開發(fā)，努力提高公司的素質(zhì)，增強(qiáng)市場(chǎng)競(jìng)爭(zhēng)能力。公司一貫在平等互利的基礎(chǔ)上同客戶建立長(zhǎng)期友好的貿(mào)易關(guān)系，誠(chéng)摯期待您的來(lái)電、增進(jìn)友誼，洽談業(yè)務(wù)。</p></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305038193.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305015487.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304535820.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><div id="5osvzyb" class="khcont">可伐合金毛細(xì)管是指內(nèi)徑很細(xì)的長(zhǎng)條形管子。<br /> Kovar合金又稱封接合金或定膨脹合金。在-70至500℃溫度范圍內(nèi)，具有比較恒定的較低或中等程度膨脹系數(shù)的合金。主要類型有鐵鎳、鐵鎳鈷、鐵鎳鉻系合金。還有無(wú)氧銅、鎢、鉬及其合金和復(fù)合材料。主要用于電子工業(yè)及電真空工業(yè)作封接材料。<br /> 可伐合金組織結(jié)構(gòu)<br /> 合金按規(guī)定的熱處理制度處理后，再經(jīng)-78.5℃冷凍，大于等于4h不應(yīng)出現(xiàn)馬氏體組織。但當(dāng)合金成分不當(dāng)時(shí)，在常溫或低溫下將發(fā)生不同程度的奧氏體(γ)向針狀馬氏體(α)轉(zhuǎn)變，相變時(shí)伴隨著體積膨脹效應(yīng)。合金的膨脹系數(shù)相應(yīng)增高，致使封接件的內(nèi)應(yīng)力劇增，甚至造成部分損壞。影響合金低溫組織穩(wěn)定性的主要因素是合金的化學(xué)成分。從Fe-Ni-Co三元相圖中可以看到，鎳是穩(wěn)定γ相的主要元素，鎳含量偏高有利于γ相的穩(wěn)定。隨合金總變形率增加其組織越趨向穩(wěn)定。合金成分偏析也可能造成局部區(qū)域的γ→α相變。此外晶粒粗大也會(huì)促進(jìn)γ→α相變。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304508311.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304438371.jpg" title="可伐合金毛細(xì)管-歡迎來(lái)廠考察"><br></p><p></p><div id="9txzee9" class=imgtipsbox>點(diǎn)擊查看拓亞鋼鐵(奎文區(qū)分公司)的<a href="/kuiwentuoya/picture.html"><span id="jq4lolp" class=imgtips>【產(chǎn)品相冊(cè)庫(kù)】</span></a>以及我們的<a href="/kuiwentuoya/video.html"><span id="knruruz" class=videotips>【產(chǎn)品視頻庫(kù)】</span></a></div> </p> <hr> <div id="9i9fch4" class="cont-tips">選購(gòu)<span id="ajpq9ef" class="tybt4">可伐合金毛細(xì)管-歡迎來(lái)廠考察</span>來(lái)濰坊市奎文區(qū)找<span id="t9ml0am" class="tysbm4">拓亞鋼鐵(奎文區(qū)分公司)</span>，我們是廠家直銷,產(chǎn)品型號(hào)齊全,確保您購(gòu)買的每一件產(chǎn)品都符合高標(biāo)準(zhǔn)的質(zhì)量要求，選擇我們就是選擇品質(zhì)與服務(wù)的雙重保障。聯(lián)系人:<span id="p4sqsw4" class="tylxr">衣述振</span>-【18762195566】,地址:<span id="ej9d4oy" class="tydz">[新區(qū)城南路]</span>。</div> </pre> </div> <div id="h0eg94d" class="main-bd"> <a target="_blank">在360搜索 <span id="isyy9q4" class="sstitle2024">可伐合金毛細(xì)管-歡迎來(lái)廠考察</span> 的信息</a></br> <a target="_blank">在搜狗搜索 <span id="lss4mop" class="sstitle2024">可伐合金毛細(xì)管-歡迎來(lái)廠考察</span> 的信息</a> </div> </div> </div> </div> </div>   <div class="eoqqkls" id="showmsg_right">  <div id="9a0sw9u" class="title"><a class="title-name">聯(lián)系我們</a> <span>CONTACT US</span> </div> <div class="9aafhmg" id="showmsg_right_advt"> <ul class="lxfsbox"> <li>聯(lián)系人：衣述振</li> <li id="se5b9ll" class="mobileimg">手機(jī)：18762195566</li> <li id="rdieklp" class="mobileimg">QQ：781116900</li> <li>企業(yè)：<a href="/kuiwentuoya" target="_blank"> 拓亞鋼鐵(奎文區(qū)分公司)</a></li> <li>主營(yíng)：TA2鈦管</li> <li>地址：新區(qū)城南路發(fā)貨到奎文</li> </ul> </div>  <div class="j9gzdii" id="showmsg_sj"> 您也許對(duì)奎文本地以下產(chǎn)品新聞也感興趣 </div> <div class="v4wwadf" id="showmsg_sj"> <ul> <div id="h5fd5xv" class="_cvwrv6ty2rh"></div> <li><a href="/xuwenjunb/C28FFF4CBB49.html" title="規(guī)格全的鈦合金毛細(xì)管實(shí)體廠家"><span id="ku9pq5k" 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