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</div> <div id="bgkwmdt" class="showmsg_contentall"> <div class="gijdhqo" id="showmsg_content_top"> </div> <div class="ubuceil" id="showmsg_companymsg"> <ul> <li> 公司:<strong><a href="/luhetuoya" target="_blank"> 拓亞鋼鐵(汕尾市陸河縣分公司)</a></strong> </li> <li>價(jià)格:電聯(lián)</li> <li id="lxr">聯(lián)系人:衣述振</li> <li>更新時(shí)間:2025-07-25 16:08:35<span id="dbenjau" class="weather"> ip歸屬地：汕尾，天氣：陣雨轉(zhuǎn)多云，溫度：27-35</span> 瀏覽次數(shù):2</li> <li>所在地:陸河 </li> <li>標(biāo)題:<strong><a href="#">可伐合金毛細(xì)管</a></strong></li> <li> 來源: <span>tuoya</span> </li> <div id="syqhchn" 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="ioowffw" class="tu"> <div id="cetrdlm" class="t_left1213"> <div id="zriqvbo" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212302429621.jpg" id="pimgbig" alt="可伐合金毛細(xì)管"></div> <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212302429621.jpg" alt="可伐合金毛細(xì)管"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304595488.jpg" alt="可伐合金毛細(xì)管"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212302227671.jpg" alt="可伐合金毛細(xì)管"></li> </ul> </div> </div> </div> <div class="ziwlquk" id="showmsg_content"> <div id="wtjagkf" class="new-cont-box new-cont-box-300"> <div id="eslhyvb" class="new-info-box"> <pre> <hr> <div id="edgdmky" class="ty-tips1212">以下是:汕尾市陸河縣可伐合金毛細(xì)管的產(chǎn)品參數(shù) </div> <div id="uewlusi" class="newcanshubox"> <table><tbody><tr><th>產(chǎn)地</th><td>中國</td></tr><tr><th>品牌</th><td>無錫拓亞</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<a href="http://yy4080ys.com/150086">廣東省</a>、<a href="http://yy4080ys.com/1250086">汕尾市</a>、陸河縣、<a href="http://yy4080ys.com/10910086">海豐縣</a>、<a href="http://yy4080ys.com/10930086">陸豐縣</a>等區(qū)域。</td></tr></tbody> </table> </div> <div id="bdsmbqg" class="_hnyd3w2aqb"></div><div id="yiuydpg" class="cont-tips">【拓亞】業(yè)務(wù)覆蓋多領(lǐng)域場(chǎng)景，主營(yíng)<a href="http://yy4080ys.com/haifeng-tuoya-86">海豐TA2鈦管符合行業(yè)標(biāo)準(zhǔn)</a>、<a href="http://yy4080ys.com/lufeng-tuoya-86">陸豐TA2鈦管匠心制造</a>等產(chǎn)品服務(wù)。<span id="yhaxvem" class="tybt3">可伐合金毛細(xì)管</span>,<span id="yuligjj" class="tysbm3">拓亞鋼鐵(汕尾市陸河縣分公司)tuoya86-15</span>專業(yè)從事<span id="atpksrv" class="tybt3">可伐合金毛細(xì)管</span>,聯(lián)系人:<span id="fiihbps" class="tylxr">衣述振</span>,電話:<span id="hedvenc" class="tylxr">【0527-88266888】、【18762195566】</span>,供應(yīng)服務(wù)范圍覆蓋:<span id="mkndcjg" class="tydz"><a href="http://yy4080ys.com/guangdong-tuoya-86">廣東省</a>、<a href="http://yy4080ys.com/shanwei-tuoya-86">汕尾市</a>、陸河縣、<a href="http://yy4080ys.com/haifeng-tuoya-86">海豐縣</a>、<a href="http://yy4080ys.com/lufeng-tuoya-86">陸豐縣</a></span>,以下是可伐合金毛細(xì)管的詳細(xì)頁面。廣東省,汕尾市,陸河縣陸河縣，1988年1月設(shè)縣，隸屬廣東省汕尾市，位于汕尾市東北部，地處粵東沿海與興梅山區(qū)結(jié)合部，周邊與7個(gè)縣（市）接壤，縣域總面積986平方千米，下轄河田鎮(zhèn)、東坑鎮(zhèn)、螺溪鎮(zhèn)、新田鎮(zhèn)、上護(hù)鎮(zhèn)、水唇鎮(zhèn)、河口鎮(zhèn)、南萬鎮(zhèn)8個(gè)鎮(zhèn)和國營(yíng)吉溪林場(chǎng)，是海陸豐紅色革命根據(jù)地的重要組成部分，又是榕江和螺河水系發(fā)源地，具有獨(dú)特的客家風(fēng)情和客家文化，被譽(yù)為“客俗桃源”和紅色旅游勝地，全縣旅居海外僑胞和港澳臺(tái)同胞達(dá)24萬多人。根據(jù)第七次人口普查數(shù)據(jù)，截至2020年11月1日零時(shí)，陸河縣常住人口為249242人。 </div> <p> <div id="ggnhazl" class="ty-tips1212">想要更直觀地了解可伐合金毛細(xì)管產(chǎn)品的特點(diǎn)和功能嗎？我們?yōu)槟鷾?zhǔn)備了視頻介紹，相較于圖文，視頻更能讓您輕松掌握產(chǎn)品的核心賣點(diǎn)。</div><p></p><div id="wkuspjt" class="ty-tips1212">以下是:汕尾陸河可伐合金毛細(xì)管的圖文介紹 </div><p><p class="typys"><span id="fptdvqv" class="tycsgsmz">汕尾陸河拓亞鋼鐵有限公司</span>是集<span id="zmfjvsm" class="tycsgjc"> TA2鈦管</span>研發(fā)生產(chǎn)銷售于一體的高新技術(shù)公司。開發(fā)力量雄厚，生產(chǎn)設(shè)備精良，工藝流程先進(jìn)，質(zhì)檢監(jiān)督機(jī)構(gòu)齊全。所生產(chǎn)的<span id="outcgeo" class="tycsgjc"> TA2鈦管</span>產(chǎn)品暢銷全國三十多個(gè)省市自治區(qū)以用戶為中心、以人才為根本、努力實(shí)現(xiàn)你我共贏”的經(jīng)營(yíng)理念，在<span id="zbesiwo" class="tycsgjc"> TA2鈦管</span>用戶中贏得了良好的聲譽(yù)和高度評(píng)價(jià)。</p></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305269505.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305228341.jpg" title="可伐合金毛細(xì)管"><br></p><div id="wuqttgw" class="khcont">可伐合金主要有鐵鎳、鐵鎳鈷、鐵鎳鉻系合金。<br /> 鐵鎳合金簡(jiǎn)介<br /> 鐵鎳合金是一種在弱磁場(chǎng)中具有高磁導(dǎo)率和低矯頑力的低頻軟磁材料。早期鐵鎳合金用于通信，其后采用一種熱處理工藝和真空冶煉的方法使合金特性得到較大的提高。含Ni78%的鐵鎳合金在弱磁場(chǎng)中的磁導(dǎo)率比硅鋼高約10～20倍，普遍用于靈敏繼電器、磁屏蔽、和無線電變壓器、精密的交流和直流儀表、電流互感器（見互感器）中。在鐵鎳合金中加入鉬、錳、鈷、銅、鉻等元素，可得具有更大初始磁導(dǎo)率μi和磁導(dǎo)率μm的三元、四元鐵鎳合金。<br /> 鐵鎳合金具有窄而陡的磁滯回線，在弱磁場(chǎng)中具有很大磁導(dǎo)率和很小的矯頑力,但它的電阻率不大,只適合在1 兆赫以下的頻率范圍工作，否則渦流損耗太大。鐵鎳合金的加工性能好，可制成各種形狀復(fù)雜、尺寸要求的元件。但它的磁性能對(duì)機(jī)械應(yīng)力比較敏感，工藝因素對(duì)磁性能的影響較大，如沖壓會(huì)使μb下降，因而產(chǎn)品性能一致性不易滿足。鐵鎳合金的成本高。常用的鐵鎳合金的特性和用途列于表。<br /></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305157411.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305130185.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305099249.jpg" title="可伐合金毛細(xì)管"><br></p><div id="lmxqyjg" class="khcont1">可伐合金，譯文：可伐、科瓦、柯伐，也稱鐵鎳鈷合金。多用于真空電子，電力電子等行業(yè)的器件使用。<br /> KOVAR為含鎳29%，鈷17%的硬玻璃鐵基封接合金。該合金在20~450℃范圍內(nèi)具有與硬玻璃相近的線膨脹系數(shù)和相應(yīng)的硬玻璃能進(jìn)行有效封接匹配，和較高的居里點(diǎn)以及良好的低溫組織穩(wěn)定性，合金的氧化膜致密，容易焊接和熔接，有良好可塑性，可切削加工，廣泛用于制作電真空元件，發(fā)射管，顯像管，開關(guān)管，晶體管以及密封插頭和繼電器外殼等。可伐合金因?yàn)楹挸煞?，產(chǎn)品比較耐磨。<br /> 用途：<br /> 可伐合金（Kovar）是國際通用的典型的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。<br /> 產(chǎn)品名稱：可伐合金毛細(xì)管<br /> 相關(guān)技術(shù)標(biāo)準(zhǔn)：YB/T 5231-19 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305068690.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304585772.jpg" title="可伐合金毛細(xì)管"><br></p><div id="jqxvsqv" class="khcont">名稱：可伐合金毛細(xì)管<br /> 可伐合金毛細(xì)管在-60℃～600℃溫度范圍內(nèi)具有與95%Al2O3陶瓷相近的線膨脹系數(shù)。主要用于和陶瓷進(jìn)行匹配封接，是電真空工業(yè)中重要的封接結(jié)構(gòu)材料。<br /> 可伐合金材料的技術(shù)標(biāo)準(zhǔn) YB/T 5234-1993<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經(jīng)航空工廠長(zhǎng)期使用，性能穩(wěn)定。主要用于電真空元件與Al2O3陶瓷封接。制造大型電子管和磁控管的電極、引出盤和引出線。在使用中應(yīng)使選用的陶瓷與合金的膨脹系數(shù)相匹配。當(dāng)選用合金時(shí)，應(yīng)根據(jù)使用溫度嚴(yán)格檢驗(yàn)低溫組織穩(wěn)定性。在加工過程中應(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。<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，在保護(hù)氣氛或真空中加熱到900℃±20℃,保溫1h，以不大于5℃/min速度冷至200℃以下出爐。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304545192.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304508311.jpg" title="可伐合金毛細(xì)管"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304471551.jpg" title="可伐合金毛細(xì)管"><br></p><div id="vnraygl" class="khcont1">可控氣氛<br /> 在可伐合金中總存在著各種雜質(zhì)，其中既有固態(tài)雜質(zhì)，如碳、錳、硅等等，也含有氣態(tài)雜質(zhì)，如H2O、CO和CO2。其中由于碳在高溫封接中，會(huì)與水氣或氧發(fā)生氧化反應(yīng)，產(chǎn)生CO2或CO，導(dǎo)致漏氣、漏孔，因此在退火過程中，對(duì)可伐零件表面進(jìn)行脫碳處理就顯得十分必要。另外，可伐零件的表面也或多或少地存在著金屬氧化物，故將金屬氧化物進(jìn)行還原也是必需的。眾所周知，氫氣是一種還原性氣體，它能還原金屬氧化物，同時(shí)當(dāng)溫度在700℃以上時(shí)，它具有一定的脫碳作用，而水蒸汽具有強(qiáng)烈的脫碳作用。因此，一般選擇濕氫作為可伐零件退火的氣氛。在高溫濕氫中，發(fā)生如下化學(xué)反應(yīng)：<br /> 上述化學(xué)反應(yīng)是可逆反應(yīng)，在密閉容器中反應(yīng)是不能進(jìn)行到底的，只能達(dá)到一個(gè)動(dòng)態(tài)的平衡。對(duì)式(2)和(3)來說，水蒸汽是氧化性氣體，而H2是還原性氣體，為了使退火中的[Fe]不被氧化，應(yīng)控制退火爐中的氣氛為還原氣氛。根據(jù)在上述反應(yīng)中，水蒸汽處于一種比較活躍的位置，所以只要控制了爐中水蒸汽含量，便可控制爐中的氣氛。在生產(chǎn)中通過測(cè)量“露點(diǎn)”來間接測(cè)量水蒸汽含量。在可控氣氛退火爐中，為防止空氣向爐內(nèi)擴(kuò)散，通常爐內(nèi)氣壓略大于101325 Pa，為方便計(jì)算，則假定爐內(nèi)氣壓為101325 Pa，采用1000℃的退火溫度。，Kp為當(dāng)反應(yīng)達(dá)到平衡時(shí)的平衡常數(shù)，A為固體反應(yīng)物的活度，P為氣體反應(yīng)物的分壓強(qiáng)。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304427364.jpg" title="可伐合金毛細(xì)管"><br></p><div id="usksatc" class=imgtipsbox>點(diǎn)擊查看拓亞鋼鐵(汕尾市陸河縣分公司)的<a href="/luhetuoya/picture.html"><span id="vfrqnnw" class=imgtips>【產(chǎn)品相冊(cè)庫】</span></a>以及我們的<a href="/luhetuoya/video.html"><span id="atumism" class=videotips>【產(chǎn)品視頻庫】</span></a></div> </p> <hr> <div id="bzwxrmg" class="cont-tips">今年在汕尾市陸河縣購買<span id="glacbsy" class="tybt5">可伐合金毛細(xì)管</span>有了新選擇，<span id="bahtcgm" class="tysbm5">拓亞鋼鐵(汕尾市陸河縣分公司)</span>始終堅(jiān)守以用戶為中心的服務(wù)理念,將品質(zhì)作為發(fā)展的基石。廠家直銷,確保為您提供價(jià)格實(shí)惠且品質(zhì)卓越的<span id="utncobs" class="tybt1">可伐合金毛細(xì)管</span>產(chǎn)品。如需購買或咨詢,請(qǐng)隨時(shí)聯(lián)系我們,聯(lián)系人:<span id="gelrsmt" class="tylxr">衣述振</span>-【18762195566】,地址:<span id="tsechig" class="tydz">新區(qū)城南路</span>。</div> </pre> </div> <div id="ljbmudm" class="main-bd"> <a target="_blank">在360搜索 <span id="snsqtka" class="sstitle2024">可伐合金毛細(xì)管</span> 的信息</a></br> <a target="_blank">在搜狗搜索 <span id="kujdikf" class="sstitle2024">可伐合金毛細(xì)管</span> 的信息</a> </div> </div> </div> </div> </div>   <div 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