安徽激光熔覆粉末誠(chéng)信經(jīng)營(yíng) 安陽(yáng)市宏博激光科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="此外，含Cr鎳基合金經(jīng)400~800oC之熱履歷時(shí)，碳化鉻(M23C6)會(huì)析出于晶界，造成晶界周圍形成鉻缺乏區(qū)(Cr-depletionZone)，而導(dǎo)致此區(qū)耐蝕性降低，稱為敏化而容易導(dǎo)致沿晶侵蝕(IGA)及沿晶應(yīng)力腐蝕破裂(IGSCC)的"><meta name="keywords" content="安徽激光熔覆粉末,激光熔覆粉末"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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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>安徽激光熔覆粉末,激光熔覆粉末</p><p><span>***更新：</span>2020-11-29 07:14:14</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="8jfhenz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">安陽(yáng)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="e8w2vfl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fetfcoq" class="box"><p><p style="text-indent:25px">此外，含Cr鎳基合金經(jīng)400~800oC 之熱履歷時(shí)，碳化鉻(M23C6)會(huì)析出于晶界，造成晶界周圍形成鉻缺乏區(qū) (Cr-depletion Zone)，而導(dǎo)致此區(qū)耐蝕性降低，稱為敏化而容易導(dǎo)致沿晶侵蝕(IGA)及沿晶應(yīng)力腐蝕破裂(IGSCC)的發(fā)生。另一方面，沃斯田鐵系析出強(qiáng)化鎳基合金之熱處理則包括 (1)升溫至析出物回溶之溫度之固溶階段以及(2)于γ/ γ'兩相區(qū)持溫之時(shí)效階段。其中固溶使得析出物回溶，基地中 γ' 析出所需元素增加，并達(dá)成各添加元素之均質(zhì)化，且控制基材 γ 相之晶粒尺寸；而時(shí)效階段則可以持溫溫度、時(shí)間、冷速與多階段時(shí)效來(lái)控制 γ' 之體積分率、形貌、尺寸與分布，主要析出物之分布與形貌可影響潛變與耐蝕性質(zhì)。一般而言，安徽激光熔覆粉末，強(qiáng)化相常為奈米尺度，安徽激光熔覆粉末，以一般金相方法觀察不易，安徽激光熔覆粉末。常須藉助倍率較高之穿透式電子顯微鏡(TEM)來(lái)掌握析出物形貌。鎳基合金粉末不能含有油污。安徽激光熔覆粉末</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽激光熔覆粉末,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065365488282/4370327.png"></div><p> 鎳基合金粉末的技術(shù)要求： </p> <p> 1、粉末的化學(xué)成分、噴焊層硬度、請(qǐng)參看表格內(nèi)容，其中化學(xué)成分、噴焊層硬度及粒度為考核指標(biāo)和質(zhì)量檢驗(yàn)依據(jù)，氧含量和熔點(diǎn)不作為質(zhì)量檢驗(yàn)依據(jù)。 </p> <p> 2、粉末粒度,70-300μm、50-106μm </p> <p> 3、噴涂方法，等離子噴焊、氧乙炔噴焊 </p> <p> 4、粉末外觀呈金屬光澤，不得受潮，變質(zhì)或含有銹跡、油污等 </p> <p> 鎳基合金粉末的試驗(yàn)方法和檢查規(guī)則： </p> <p> 合金粉末的化學(xué)成分、粒度及噴焊層的硬度應(yīng)按照J(rèn)B/T 3168.2及JB/T 3168.3的規(guī)定進(jìn)行檢驗(yàn)。 </p> <p> 檢驗(yàn)規(guī)則： </p> <p> 1、粉末在出廠前，必須按批號(hào)進(jìn)行化學(xué)成分、噴焊硬度和粒度檢驗(yàn)。合格批量不得小于200Kg。 </p> <p> 2、粉末檢驗(yàn)時(shí)，應(yīng)在同一批粉末的不同地方取5個(gè)式樣，總重量不得少于2K，合并后混合均勻，然后用倍減法縮至需要量，檢驗(yàn)化學(xué)成分時(shí)，推薦用粒度70~100μm的粉體式樣 </p> <p> 3、經(jīng)檢驗(yàn)有不符合標(biāo)準(zhǔn)的粉末，應(yīng)按上述規(guī)則加倍進(jìn)行復(fù)驗(yàn)。復(fù)驗(yàn)后，只要其中1個(gè)式樣不符合本標(biāo)準(zhǔn)規(guī)定，則該粉末判為不合格粉末安徽制造激光熔覆粉末售后服務(wù)宏博激光科技告訴你怎么使用鎳基合金粉末。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽激光熔覆粉末,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065757666016/1755706.png"></div><p> 鎳基合金之微組織 </p> <p> <br /> </p> <p> 鎳基合金的晶體結(jié)構(gòu)主要為高溫穩(wěn)定之面心立方體(FCC)沃斯田鐵結(jié)構(gòu)，為了提高其耐熱性質(zhì)，添加了大量的合金元素，這些元素會(huì)形成各種二次相，提升了鎳基合金之高溫強(qiáng)度。二次相的種類包含各種形式之 MC、M23C6、M6C、M7C3碳化物，主要分布在晶界，以及如 γ' 或 γ'' 等結(jié) 構(gòu)上為整合性(Coherent)之有序(Ordering)介金屬化合物。γ'與 γ'' 相之其化學(xué)組成大致是Ni3(Al, Ti) 或 Ni3Nb，此類有序相在高溫下非常穩(wěn)定，經(jīng)由它們的強(qiáng)化可得到優(yōu)良的潛變破壞強(qiáng)度。 </p> <p> <br /> </p><p style="text-indent:25px">一般鎳基合金強(qiáng)度高，冷、熱加工不易，以C-276為例，高溫變形阻抗約為不銹鋼之2.4倍；且冷加工之高硬化率使得其強(qiáng)度可至不銹鋼的2倍。而熱加工時(shí)除需考慮高溫變形阻抗外，還需考慮不同溫度下熱延性之不同變形阻或夾雜物出現(xiàn)之區(qū)域)的發(fā)生與否，而不純區(qū)則會(huì)傷害合金之高溫機(jī)械性質(zhì)，鎳基合金Inconel 601于不同溫度下之熱延性與變形阻抗之?dāng)?shù)據(jù)曲線，顯示于熱延性低于60%之溫度下行加工易造成裂縫之發(fā)生以超合金鑄件而抗與熱延性同時(shí)允許進(jìn)行加工之溫度范圍，才能視為熱加工制程之工作區(qū)間。哪些行業(yè)能用到鎳基合金粉末？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽激光熔覆粉末,激光熔覆粉末" src="https://tyunfile.71360.com/WaterMark/UploadFile/ayhbjg/637349065977275391/8225000.png"></div><p> 故高溫時(shí)晶粒越小越容易產(chǎn)生晶界滑移潛變及沿晶裂縫。金屬的潛變變形常為差排潛變與晶界滑移的交互作用，鎳基合金由于具有介金屬相的析出，可大幅***差排潛變，而晶界上析出之碳化物則可幫助抵抗晶界滑移造成之潛變現(xiàn)象， </p> <p> 此外，從傳統(tǒng)的鑄造方式改以單向性凝固長(zhǎng)柱狀晶，抵抗高溫潛變的性質(zhì)會(huì)上升，若進(jìn)一步長(zhǎng)成單晶時(shí)，抗?jié)撟兡芰Ω蠓岣?，故鎳基合金也發(fā)展出方向性共晶凝固、單晶鑄造、粉末冶金等特殊技術(shù)，進(jìn)一步增進(jìn)了鎳基合金抵抗高溫潛變的能力。 </p> <p> <br /> 鎳基合金粉末和鎳基合金的卻別。河北購(gòu)買激光熔覆粉末廠家</p><p style="text-indent:25px">鎳基合金粉末有哪些特性？安徽激光熔覆粉末</p><p> (1)鎳-鉻系合金熱噴涂粉末：該種類較多，例如鎳-鉻耐熱合金，是在鎳中加入20%鉻制成的。鎳-鉻耐熱合金在高溫下幾乎不氧化，是典型的耐熱、耐蝕和耐高溫氧化的涂層材料。涂層致密，與基體金屬的粘結(jié)性能良好，是陶瓷、軟金屬等材料的涂層與基體的的過(guò)渡層材料，既能增加基體防高溫氣體侵蝕的能力，又能改善涂層與基體材料的粘結(jié)強(qiáng)度。 </p> <p> (2)鎳-鉻-鐵系合金熱噴涂粉末：此類熱噴涂粉末是在鎳-鉻中加入適當(dāng)?shù)蔫F，其耐高溫氧化性能比鎳-鉻系合金稍差一些，其他性能基本上與鎳-鉻系合金接近，突出的優(yōu)點(diǎn)是價(jià)格比較便宜，因此可用作耐蝕工件的修補(bǔ)，也可做過(guò)渡層熱噴涂粉末用。 </p> <p> (3)鎳-鉻-硼系合金熱噴涂粉末：此系合金由于含有硼、鉻和碳等元素，硬度比較高，韌性也適中，用噴涂后，其涂層耐磨、耐蝕、耐熱性較好，可用于軸類、活塞等的防腐修復(fù)。 </p> <p> (4)鎳-鋁合金熱噴涂粉末：常用來(lái)打底層，每個(gè)微粒都是由微細(xì)的鎳粉和鋁粉組成。當(dāng)噴涂時(shí)，熱噴涂粉末通過(guò)火焰被加熱到600攝氏度以上，鎳和鋁之間產(chǎn)生強(qiáng)烈的化學(xué)反應(yīng)，生成金屬間化合物，并放出大量的熱，同時(shí)，部分鋁還會(huì)氧化，產(chǎn)生更多的熱量。在此高溫下，鎳可擴(kuò)散到基材金屬中去，可以使涂層的結(jié)合強(qiáng)度明顯提高。安徽激光熔覆粉末</p><p style="text-indent:25px">安陽(yáng)市宏博激光科技有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下激光熔覆淬火頭，激光合金化粉末，激光熔覆粉末，光學(xué)鏡片深受客戶的喜愛。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。宏博激光科技立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2192385.html</p></div></div></div></div></div><div id="2pwy7hc" class="page-right twoColRt"><div id="rbol7i2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rlxz3r4" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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