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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鋁件化學鍍鎳供貨商,化學鍍鎳</p><p><span>***更新：</span>2021-02-02 02:12:54</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wg3bfxt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海昊琳化工有限公司</a></p><p><span>聯(lián)系人：</span>彭**</p><p><span>郵箱: </span>SHHL668@163.com</p><p><span>電話: </span>13917612469</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://haolin123.shop.88360.com</p><p><span>手機: </span>021-59220920</p><p><span>地址: </span>白鶴鎮(zhèn)白石公路1360路28號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="wliproa" class="page-proshow02"><p class="title">詳細說明</p><div id="n8eaxeq" class="box"><p><p style="text-indent:25px">化學鍍鎳在采礦工業(yè)的應用：采礦工業(yè)環(huán)境條件惡劣，井下機械不可避免地接觸鹽水、礦酸，以受腐蝕和磨損的考驗，鋁件化學鍍鎳供貨商。因此，采礦機械需要進行表面保護。礦井頂板支撐系統(tǒng)中，常用電鍍硬鉻作為液壓支柱的防腐蝕耐磨損保護層。然而，由于硬鉻表面裂紋、多孔，使用中經(jīng)常因為腐蝕嚴重以致液壓支柱被咬死而無法動作。高壓液壓缸的這種問題更加嚴重。在高壓工作下，鍍層受到拉伸，鋁件化學鍍鎳供貨商，使得高內(nèi)應力的硬鉻層的裂紋進一步加劇。這種情況下，鋁件化學鍍鎳供貨商，采用25um厚的壓應力的高磷化學鍍鎳層做保護，當液壓支柱受高壓拉伸時，化學鍍鎳層不會產(chǎn)生裂紋，并能夠經(jīng)受住地下煤礦環(huán)境的腐蝕與磨損。化學鍍鎳廢液中的鎳及大部分有機酸被沉淀除去后，廢液還需要進行深度處理。鋁件化學鍍鎳供貨商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋁件化學鍍鎳供貨商,化學鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333782859960937/1102100.png"></div><p style="text-indent:25px">化學鍍鎳在金屬表的應用：偏堿清洗劑。關(guān)鍵有氫氧化鈉溶液、碳酸鉀、偏硅酸鈉、磷酸鈉等，溶解水變成偏堿清洗劑。他們的功效基本原理是能和油漬中的油酸甘油酯產(chǎn)生皂腳功效產(chǎn)生新生皂，使油漬變成水溶的而被融解除去。在其中氫氧化鈉溶液和碳酸鉀也有中合酸堿性污漬的功效。磷酸鈉、三聚磷酸鈉、六偏磷酸鈉等既具備清理功效，又有抑止浸蝕的功效。偏硅酸鈉則有膠溶、分散化等功效，清理實際效果不錯。偏堿清洗劑因為價錢較低、不含毒性、不易燃性等緣故，應用比較普遍。但在應用偏堿清洗劑時要留意被清理金屬材料的材料，挑選適度的pH的燒堿溶液。除此之外，在應用偏堿清洗劑時，一般添加表活劑組成復合型秘方，以提升清理功效。金屬表面處理劑的磷化液非涂裝磷化作用是令工件在機加工過程中具有潤滑性。鋁件化學鍍鎳供貨商化學鍍鎳的技術(shù)工藝處理后的金屬表面可替代硬鉻使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋁件化學鍍鎳供貨商,化學鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783198964844/5678764.png"></div><p style="text-indent:25px">化學鍍鎳與電鍍相比有如下優(yōu)點：不需要外加直流電源設備。鍍層致密，孔隙少。不存在電力線分布不均勻的影響，對幾何形狀復雜的鍍件，也能獲得厚度均勻的鍍層;可在金屬、非金屬、半導體等各種不同基材上鍍覆?；瘜W鍍鎳工藝在電子工業(yè)中有重要的地位。由于采用的還原劑種類不同，使化學鍍所得的鍍層性能有明顯的差異，因此，在選定鍍液配方時，要慎重考慮鍍液的經(jīng)濟性及所得鍍層的特性。目前，化學鍍鎳、銅、銀、金、鈷、鈀、鉑、錫以及化學鍍合金和化學復合鍍層，在工業(yè)生產(chǎn)中已被采用。</p><p style="text-indent:25px">化學鍍鎳技術(shù)是采用金屬鹽和還原劑，在材料表面上發(fā)生自催化反應獲得鍍層的方法。到目前為止，化學鍍鎳是國外發(fā)展較快的表面處理工藝之一，且應用范圍也非常廣。化學鍍鎳之所以得到迅速發(fā)展，是由于其優(yōu)越的工藝特點所決定?；瘜W鍍鎳層的工藝特點：1、不需要一般電鍍所需的直流電機或控制設備，熱處理溫度低，只要在400℃以下經(jīng)不同保溫時間后，可得到不同的耐蝕性和耐磨性，因此，它不存在熱處理變形的問題，特別適用于加工一些形狀復雜，表面要求耐磨和耐蝕的零部件等。2、化學沉積層的厚度可控，其工藝簡單，操作方便，溫度低，成本比其它表面處理防護低，適用于在中、小型工廠或小批量生產(chǎn)?；瘜W鍍鎳的操作方法與不同于電鍍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋁件化學鍍鎳供貨商,化學鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333782988798828/1953806.png"></div><p style="text-indent:25px">化學鍍鎳的技術(shù)特性及作用:1、結(jié)合強度大：本技術(shù)處理后的合金層與金屬基件結(jié)合強度增大，一般在350-400Mpa條件下不起皮、不脫落、無氣泡，與鋁的結(jié)合強度可達102-241Mpa。2、仿型性好：在尖角或邊緣突出部分，沒有過份明顯的增厚，即有很好的仿型性，鍍后不需磨削加工，沉積層的厚度和成份均勻。3、工藝技術(shù)高適應性強：在盲孔、深孔、管件、拐角、縫隙的內(nèi)表面可得到均勻鍍層，所以無論您的產(chǎn)品結(jié)構(gòu)有多么復雜，本技術(shù)處理起來均能得心應手，絕無漏鍍之處。8、低電阻，可焊性好。4、耐高溫：該催化合金層熔點為850-890度。化學鍍鎳技術(shù)處理后的合金層與金屬基件結(jié)合強度增大。鋁件化學鍍鎳供貨商</p><p style="text-indent:25px">化學鍍鎳液中可以添加各種絡合劑。鋁件化學鍍鎳供貨商</p><p style="text-indent:25px">石油和天然氣是化學鍍鎳的重要市場之一，油田采油和輸油管道設備普遍地采用化學鍍鎳技術(shù)。典型的石油和天然氣工業(yè)腐蝕環(huán)境為井下鹽水、二氧化碳、硫化氫，溫度高達170～200℃，并伴有泥沙和其他磨粒沖蝕等等，腐蝕環(huán)境相當惡劣。低碳鋼油氣管道在如此苛刻的條件下，*有2～3個月的壽命。經(jīng)過50～100um厚的高磷化學鍍鎳層保護之后，其腐蝕速率降低到與哈氏合金相當?shù)某潭??？紤]到耐蝕合金價格昂貴，從性能價格比上講，碳鋼管道采用化學鍍鎳保護的技術(shù)經(jīng)濟性能較好。鋁件化學鍍鎳供貨商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3116753.html</p></div></div></div></div></div><div id="d3frt7j" class="page-right twoColRt"><div id="mwtq77u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2amo4fh" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="oy7p7qx" class="recomPic 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