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<div id="oc04eya" class="showmsg_contentall"> <div class="aeuwu6g" id="showmsg_content_top"> </div> <div class="cy8eo4o" id="showmsg_companymsg"> <ul> <li> 公司:<strong><a href="/guangfengtuoya" target="_blank"> 拓亞鋼鐵(廣豐區(qū)分公司)</a></strong> </li> <li>價格:電聯(lián)</li> <li id="lxr">聯(lián)系人:衣述振</li> <li>更新時間:2025-06-09 09:01:23<span id="6isca4q" class="weather"> ip歸屬地：上饒，天氣：中雨轉(zhuǎn)小雨，溫度：24-32</span> 瀏覽次數(shù):1</li> <li>所在地:廣豐 </li> <li>標題:<strong><a href="#">可伐合金毛細管-可伐合金毛細管售后保障</a></strong></li> <li> 來源: <span>tuoya</span> </li> <div id="4u0yisa" 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="c4miykm" class="tu"> <div id="m4u4moa" class="t_left1213"> <div id="g466cw4" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304201075.jpg" id="pimgbig" alt="可伐合金毛細管-可伐合金毛細管售后保障"></div> <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304201075.jpg" alt="可伐合金毛細管-可伐合金毛細管售后保障"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212303441223.jpg" alt="可伐合金毛細管-可伐合金毛細管售后保障"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304427364.jpg" alt="可伐合金毛細管-可伐合金毛細管售后保障"></li> </ul> </div> </div> </div> <div class="kaqqiia" id="showmsg_content"> <div id="gecagyw" class="new-cont-box new-cont-box-300"> <div id="m8yw4gi" class="new-info-box"> <pre> <hr> <div id="6ayoy4g" class="ty-tips1212">以下是:上饒市廣豐區(qū)可伐合金毛細管-可伐合金毛細管售后保障的產(chǎn)品參數(shù) </div> <div id="cy6yqu6" class="newcanshubox"> <table><tbody><tr><th colspan="2">產(chǎn)品參數(shù)</th></tr><tr><th>產(chǎn)品價格</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>運費說明</th><td>電議</td></tr><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>可伐合金毛細管-可伐合金毛細管售后保障供應范圍覆蓋江西省上饒市信州區(qū)、廣豐區(qū)、玉山縣、鉛山縣、橫峰縣、弋陽縣、余干縣、鄱陽縣、萬年縣、婺源縣、德興市等區(qū)域。</td></tr></tbody> </table> </div> <div id="iy6um4q" class="_hnyd3w2aqb"></div><div id="aomeeqy" class="cont-tips">【拓亞】業(yè)務覆蓋多元場景，提供以下產(chǎn)品和服務：信州TA2鈦管精工打造、鉛山TA2鈦管國標檢測放心購買、橫峰TA2鈦管精工制作、弋陽TA2鈦管品牌企業(yè)、萬年TA2鈦管廠家直銷值得選擇、婺源TA2鈦管免費詢價、德興TA2鈦管精致工藝等。<span id="wo4ewo4" class="tybt2">可伐合金毛細管-可伐合金毛細管售后保障</span>,<span id="44ewqk4" class="tysbm2">拓亞鋼鐵(廣豐區(qū)分公司)</span>為您提供<span id="qowey4y" class="tybt2">可伐合金毛細管-可伐合金毛細管售后保障</span>的資訊,聯(lián)系人:<span id="si4yqck" class="tylxr">衣述振</span>,發(fā)貨地:<span id="eki6owu" class="tydz">新區(qū)城南路</span>。江西省,上饒市,廣豐區(qū) 廣豐地處北緯28°3’30″—28°37’23’’，東經(jīng)118°1′18″—118°29′15"，屬亞熱帶季風氣候，年平均無霜期266天，多年平均氣溫17.9℃，年平均降雨量1661.6毫米。 </div> <p> <div id="6u4uw4a" class="ty-tips1212">無論您是初次接觸還是已經(jīng)熟悉，我們的可伐合金毛細管-可伐合金毛細管售后保障產(chǎn)品視頻將為您帶來全新的視覺體驗，讓您對產(chǎn)品有更深入的了解。</div><p></p><div id="kaywyeu" class="ty-tips1212">以下是:上饒廣豐可伐合金毛細管-可伐合金毛細管售后保障的圖文介紹 </div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305257801.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305239023.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="iqgey4e" class="khcont"><p> 可伐合金常見類型：玻璃封接用鉻鐵合金、鐵鎳鈷玻璃封接合金、鐵鎳鈷陶瓷封接合金等。<br /> 鐵鎳鈷陶瓷封接合金<br /> 這種合金屬于精密合金，也是鐵、鎳、鈷的合金，又稱為陶瓷可伐。在-60-600℃時它的膨脹系數(shù)與95%氧化鋁陶瓷相近，常用來和陶瓷作匹配封接。在金屬陶瓷發(fā)射管、行波管、速調(diào)管等器件和真空電容器中，鐵鎳鉆陶瓷封接合金廣泛地用來制作引出線、引出環(huán)、管殼等零件。<br /> 鐵鎳鈷玻璃封接合金<br /> 這種合金屬于精密合金，又稱可伐。它是鐵、鎳、鈷的合金，一般含鎳29%，鈷18%，其余是鐵。其膨脹系數(shù)由于鈷的加入而降低，與鉬及硬玻璃相近，適合于和硬玻璃作匹配封接。封接時表面生成有氧化鉆的氧化層，而氧化鈷極易溶于玻璃中而形成鼠灰色的封接面。<br /> 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，因此可與軟玻璃進行匹配封接。含鉻量高的鉻鐵合金，一般在室溫至熔點溫度的全部范圍內(nèi)將是鐵氧體的狀態(tài)，所以也稱做鐵氧體的鉻鐵合金。 </p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305157411.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305148283.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305093113.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="4ousuem" class="khcont5">可伐合金毛細管是指內(nèi)徑很細的長條形管子。<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。還有無氧銅、鎢、鉬及其合金和復合材料。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不應出現(xiàn)馬氏體組織。但當合金成分不當時，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，相變時伴隨著體積膨脹效應。合金的膨脹系數(shù)相應增高，致使封接件的內(nèi)應力劇增，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。此外晶粒粗大也會促進γ→α相變。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305068690.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212305005226.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="us4wyiq" class="khcont"><p class="typys"><span id="i4as64u" class="tycsgsmz11">上饒廣豐拓亞鋼鐵有限公司</span>是一家專門從事<span id="ge4ewsk" class="tycsgjc11"> TA2鈦管</span>生產(chǎn)與銷售的廠家，公司坐落于新區(qū)城南路，公司主要產(chǎn)品為<span id="ai6qu4o" class="tycsgjc11"> TA2鈦管</span>，公司周邊交通方便、有著較好的生產(chǎn)經(jīng)營優(yōu)勢。我廠一直致力于技術創(chuàng)新和產(chǎn)品質(zhì)量的研發(fā)，經(jīng)公司領導和廣大員工的不懈努力，我廠在各界友朋們的大力支持下取得了驕人的成績。在社會分工越來越細、市場競爭愈趨激烈的今天，我們憑借專業(yè)、服務、信譽以及質(zhì)優(yōu)價廉的產(chǎn)品，在全國各地朋友的支持下取得了長足發(fā)展。在堅持品行于良、信譽至金的經(jīng)營理念指導下，相信我們必定能夠與各地朋友共同長遠發(fā)展!我廠始終以“精益求精，用戶至上，與時俱進，匠心品質(zhì)”的原則，實誠做人、做事，為各界朋友提供合格產(chǎn)品，力爭做中國的注漿管供應商。期待能與更多朋友們攜手共創(chuàng)繁榮！歡迎國內(nèi)外客戶蒞臨考察！</p></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304575104.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304508311.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304450087.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="a4mkees" class="khcont4">可伐合金材料描述<br /> Kovar®是一種真空熔煉的鐵鎳鈷低膨脹合金，化學成分含量被控制在非常窄的范圍內(nèi)，以保證的均衡熱膨脹性能。同時，制造過程中嚴格地質(zhì)量控制也確保了均衡的物理及機械性能，更加適合深沖壓，沖壓及各類切削加工。<br /> 材料用途<br /> Kovar®用于硬玻璃及陶瓷的真空密封。廣泛用于電子管，微波管，晶體管和二極管。在集成電路上，它被用于扁平集成電路和雙列直插式封裝。<br /> 密封準備<br /> 所有Kovar®制作的零件應該在濕氫氣氛中進行脫氣和退火處理。氫在室溫下注入水中，通過水泡達到潮濕，必須小心防止表面碳化。熱處理爐要有提供同樣的氣氛的冷卻室。熱處理在1540/2010°F (838/1099°C)溫度范圍內(nèi)進行，熱處理時間為從溫度開始，20分鐘升到溫度，隨后零件移到冷卻區(qū)域，冷卻到570°F (299°C)后取出。<br /> 金屬與硬玻璃的密封時，金屬有一層氧化膜，的氧化膜是薄的并緊緊吸附于金屬表層。這樣的氧化膜可以通過將零件在大氣環(huán)境下加熱到1200/1290°F (650/700°C) ，并持續(xù)一段時間到深灰色表層變成淡褐色氧化膜。</div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304408138.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304332086.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="ms04sq4" class="khcont">可伐(Kovar)合金作為電子封裝行業(yè)中常用的金屬外殼材料，由于其具有與鉬組玻璃為接近的線膨脹系數(shù)，以及在與鉬組玻璃封接(熔封)過程中能產(chǎn)生小的封接應力，從而獲得良好的氣密性。為使金屬管殼能達到氣密性封接，在整個封接工藝中，退火工序無疑起著一個承上啟下的重要作用，它既了金屬零件在前序——制造加工中產(chǎn)生的內(nèi)應力，又為金屬零件在后續(xù)工序——封接工序的實施作好了材料組織上的準備。<br /> 可伐合金物理性能<br /> 比重 8.36<br /> 密度 0.3020lb/in3<br /> 導熱性 120.0 BTU-in/hr/ft2/°F<br /> 彈性系數(shù)（E） 20.0 x 103 ksi<br /> 電阻（70.0°F） 294.0 ohm-cir-mil/ft<br /> 居里溫度 815°F<br /> 熔點 2640°F<br /> 磁性<br /> Kovar®合金在居里溫度之下都有磁性，磁性能取決于熱處理。硬度越小，導磁率越高，滯后損失越小。<br /></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304319187.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304256612.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/86/1136/202402212304212070.jpg" title="可伐合金毛細管-可伐合金毛細管售后保障"><br></p><div id="gmwk6u4" class=imgtipsbox>點擊查看拓亞鋼鐵(廣豐區(qū)分公司)的<a href="/guangfengtuoya/picture.html"><span id="c8msmqg" class=imgtips>【產(chǎn)品相冊庫】</span></a>以及我們的<a href="/guangfengtuoya/video.html"><span id="oouqs4i" class=videotips>【產(chǎn)品視頻庫】</span></a></div> </p> <hr> <div id="qomks64" class="cont-tips">選購<span id="qeuogs4" class="tybt4">可伐合金毛細管-可伐合金毛細管售后保障</span>來上饒市廣豐區(qū)找<span id="6u4oqss" class="tysbm4">拓亞鋼鐵(廣豐區(qū)分公司)</span>，我們是廠家直銷,產(chǎn)品型號齊全,確保您購買的每一件產(chǎn)品都符合高標準的質(zhì)量要求，選擇我們就是選擇品質(zhì)與服務的雙重保障。聯(lián)系人:<span id="64iwqck" class="tylxr">衣述振</span>-【18762195566】,地址:<span id="uiaeiks" class="tydz">[新區(qū)城南路]</span>。</div> </pre> </div> <div id="q6aamii" class="main-bd"> <a target="_blank">在360搜索 <span id="emu4e6a" class="sstitle2024">可伐合金毛細管-可伐合金毛細管售后保障</span> 的信息</a></br> <a target="_blank">在搜狗搜索 <span id="6ocismk" class="sstitle2024">可伐合金毛細管-可伐合金毛細管售后保障</span> 的信息</a> </div> </div> </div> </div> </div>   <div class="o4ggaiq" id="showmsg_right">  <div id="wcsakwe" class="title"><a class="title-name">聯(lián)系我們</a> <span>CONTACT US</span> </div> <div class="4o64a4e" id="showmsg_right_advt"> <ul class="lxfsbox"> <li>聯(lián)系人：衣述振</li> <li id="6csacuk" class="mobileimg">手機：18762195566</li> <li id="ekiy4km" class="mobileimg">QQ：781116900</li> <li>企業(yè)：<a href="/guangfengtuoya" target="_blank"> 拓亞鋼鐵(廣豐區(qū)分公司)</a></li> <li>主營：TA2鈦管</li> 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