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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rfh39hz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065899707032/5313327.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="y7df3vx" 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>河南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江銷售激光熔覆粉末推薦貨源,激光熔覆粉末</p><p><span>***更新：</span>2020-12-13 09:18:48</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="qpwdart" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">安陽市宏博激光科技有限公司</a></p><p><span>聯(lián)系人：</span>王科</p><p><span>郵箱: </span>1017567751@qq.com</p><p><span>電話: </span>15896882357</p><p><span>傳真: </span>158_</p><p><span>網(wǎng)址: </span>http://ayhbjg.shop.88360.com</p><p><span>手機(jī): </span>158-96882357</p><p><span>地址: </span>人和路與中華路交叉口西南角</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="ox8rtvc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8wipr27" class="box"><p><p> 粉末冶金不僅是一門材料制造技術(shù)．又是一門材料加工技術(shù)。在科學(xué)技術(shù)領(lǐng)域，浙江銷售激光熔覆粉末推薦貨源，新材料科學(xué)中的關(guān)鍵問題需要靠粉末冶金來解決。粉末冶金在技術(shù)上和經(jīng)濟(jì)上具有一系列特點(diǎn)。對(duì)材料制造而言，粉末冶金能制取用普通熔鑄法無法生產(chǎn)的具有待殊性能的材料： </p> <p> 1.能控制材料和制品的孔隙度，例如，粉末冶金多材料、含油軸承等； </p> <p> 2.難熔金屬材料和制品主要靠粉末冶金方法制取，例如，鎢、鉬、鉭等難熔金屬及其合金； </p> <p> 3.對(duì)金屬與金屬液態(tài)不互溶的體系，浙江銷售激光熔覆粉末推薦貨源，能制取金屬與金屬組合金型材料，例如，鎢—銅假臺(tái)金型電觸頭材料等； </p> <p> 4，浙江銷售激光熔覆粉末推薦貨源.利用金屬與非金屬的組合效果制取組合型材料，例如，制作粉末冶金摩擦制品的摩擦材料、粉末冶金金屬—石墨電刷等； </p> <p> 5.能制取各種金屬陶瓷材料和復(fù)合材料，例如，前者有硬質(zhì)合金、金屬陶瓷等，后者有粉末冶金彌散強(qiáng)化材料、粉末冶金纖維強(qiáng)化材料等。 </p> <p> <br /> 什么是鎳基合金粉末？浙江銷售激光熔覆粉末推薦貨源</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江銷售激光熔覆粉末推薦貨源,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065899707032/5313327.png"></div><p> 鎳基合金的起源和發(fā)展： </p> <p> <br /> </p> <p> 鎳基合金是30年代后期開始研制的，英國(guó)于1941年首先生產(chǎn)出鎳基合金 Nimonic75(Ni-20Cr-0.4Ti)；為了提高潛變強(qiáng)度又添加Al，研制出Nimonic 80(Ni-20Cr- 2.5Ti-1.3Al)；而美國(guó)于40年代中期，俄羅斯于40年代后期，中國(guó)于50年代中期也先后開發(fā)出鎳基合金。鎳基合金的發(fā)展包括兩個(gè)方面，即合金成分的改良和生產(chǎn)技術(shù)的革新。如50年代初，真空熔煉技術(shù)的發(fā)展，為煉制含高Al和Ti 的鎳基合金創(chuàng)造了條件，而帶動(dòng)了合金強(qiáng)度與使用溫度的大幅提高。50年代后期，由于渦輪葉片工作溫度的提高，要求合金有更高的高溫強(qiáng)度，但是合金的強(qiáng)度高了，就難以變形，甚至不能變形，于是采用精密鑄造技術(shù)，發(fā)展出一系列具有良好高溫強(qiáng)度的鑄造合金。 </p> <p> <br /> 貴州銷售激光熔覆粉末哪里有鎳基合金粉末好貨源-安陽宏博激光。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江銷售激光熔覆粉末推薦貨源,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065977275391/8225000.png"></div><p> 鎳基合金粉末是市面上用量較廣的一種合金粉、其主要用于鋼件的、耐磨、防腐、防銹等，牌號(hào)分高硬度與低硬度兩個(gè)種類，高硬度耐磨防腐，低硬度修復(fù)在加工。鎳基合金粉末中文名字是：鎳基合金粉末；鎳基合金粉末的外文名是：Nickel based alloy powder鎳基合金粉末的熔點(diǎn)是950-1050°C；鎳基合金粉末的粒形是：球形；鎳基合金粉末的冶煉工藝是：氣霧化。 </p> <p> <br /> </p> <p> 該粉末是系自熔性合金粉末中應(yīng)用*****的一種。具有優(yōu)良的綜合性能，耐腐蝕，抗氧化性，耐熱，耐低應(yīng)力磨粒磨損及良好的沖擊韌性。熔點(diǎn)低，固液相溫度區(qū)間寬，對(duì)多種基體和WC顆粒等有強(qiáng)的潤(rùn)濕能力，操作簡(jiǎn)便。自熔性、潤(rùn)濕性和噴焊性優(yōu)良，噴焊層具有硬度高、耐蝕、耐磨、耐熱特點(diǎn)，難以切削，以濕式磨削為宜。 </p><p style="text-indent:25px">的確，在金屬加工過程中，發(fā)生著許多微妙的事情。就拿SLM選擇性激光融化技術(shù)來說，在激光對(duì)粉末的融化加工過程中，每個(gè)激光點(diǎn)創(chuàng)建了一個(gè)微型熔池，從粉末融化到冷卻成為固體結(jié)構(gòu)，光斑的大小以及功率帶來的熱量的大小決定了這個(gè)微型熔池的大小，從而影響著零件的微晶結(jié)構(gòu)。并且，為了融化粉末，必須有充足的激光能量被轉(zhuǎn)移到材料中，以熔化中心區(qū)的粉末，從而創(chuàng)建完全致密的部分，但同時(shí)熱量的傳導(dǎo)超出了激光光斑周長(zhǎng)，影響到周圍的粉末，出現(xiàn)半融化的粉末，從而產(chǎn)生孔隙的現(xiàn)象。鎳基合金粉末生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江銷售激光熔覆粉末推薦貨源,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065365488282/4370327.png"></div><p> 潛變變形之三個(gè)階段，以及溫度對(duì)潛變影響之強(qiáng)度-應(yīng)用溫度示意圖 </p> <p> 可分為三個(gè)階段，在初步潛變(Primary Creep)階段，變形速率相對(duì)較大，但是隨著應(yīng)變的增加發(fā)生加工硬化而減慢。當(dāng)變形速率達(dá)到某一個(gè)最小值并接近常數(shù)，此時(shí)稱為第二階段潛變，或穩(wěn)態(tài)階段潛變 (Secondary or Steady-StateCreep)，這是由于加工硬化和動(dòng)態(tài)回復(fù)達(dá)到平衡的結(jié)果，在工程材料設(shè)計(jì)上所要求之潛變應(yīng)變率就是指這一階段的應(yīng)變率。在第三階段(Tertiary Creep)，由于頸縮現(xiàn)象，應(yīng)變率隨著應(yīng)變?cè)龃蠖手笖?shù)性的增長(zhǎng)，***達(dá)到破壞。 </p> <p> <br /> 鎳基合金粉末生產(chǎn)廠家-安陽宏博激光科技。浙江銷售激光熔覆粉末推薦貨源</p><p style="text-indent:25px">鎳基合金粉末吸潮現(xiàn)象怎么解決？浙江銷售激光熔覆粉末推薦貨源</p><p> 通常用真空感應(yīng)爐熔煉以保證成份與控制氣體及雜質(zhì)含量，并用真空重熔-精密鑄造技術(shù)制成零件。以超合金加工件而言，熔煉方法的選擇會(huì)影響不純區(qū)(即成分發(fā)生異常偏析）一般而言，不純度與缺陷(如孔隙)則與合金成分與鑄造技術(shù)有關(guān)。 </p> <p> 鎳基合金在加工方面常采用鍛造、軋制等方式型，對(duì)于熱塑性差的合金甚至采用擠壓開胚后軋制或用軟鋼(或不銹鋼)包套直接擠壓技術(shù)。一般變形的目的是為了破碎鑄造組織，優(yōu)化微觀組織結(jié)構(gòu)。鎳基合金在高溫時(shí)較高之變形阻抗與熱延性的不穩(wěn)定，增加了鎳基合金制程上的困難度。 </p> <p> <br /> 浙江銷售激光熔覆粉末推薦貨源</p><p style="text-indent:25px">安陽市宏博激光科技有限公司是一家研發(fā)、制造、生產(chǎn)、服務(wù)于一體，主要經(jīng)營(yíng)范圍：激光熔覆頭、激光設(shè)備、激光頭、鏡片、吸光涂料、納米耐磨材料、激光加工機(jī)床，粉末、光學(xué)鏡片、高效激光淬火涂料、激光合金化粉末、激光熔覆粉末、光學(xué)鏡片、激光淬火頭等的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。宏博激光科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供激光熔覆淬火頭，激光合金化粉末，激光熔覆粉末，光學(xué)鏡片。宏博激光科技繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。宏博激光科技始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2387892.html</p></div></div></div></div></div><div id="gu3zbs8" class="page-right twoColRt"><div id="q2zwdas" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="icurt24" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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