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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_hxsj/">化學(xué)試劑</a>?<a href="http://www.cdcfah.com/cp/third-hxsj_qthxsj/">其他化學(xué)試劑</a>?銅表面化學(xué)鍍鎳報(bào)價(jià) 誠(chéng)信為本上海昊琳化工供應(yīng)</p><div id="e7egnpw" class="leftbox clearfix"><h1>銅表面化學(xué)鍍鎳報(bào)價(jià) 誠(chéng)信為本上海昊琳化工供應(yīng)</h1><div id="eoqxzwd" class="proBig"><div id="pz27eqh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333783149238281/5920410.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ku2qu3i" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333783149238281/5920410.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w8bipjq" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>銅表面化學(xué)鍍鎳報(bào)價(jià),化學(xué)鍍鎳</p><p><span>***更新：</span>2021-01-31 04:14:19</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kubiph7" 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(jī): </span>021-59220920</p><p><span>地址: </span>白鶴鎮(zhèn)白石公路1360路28號(hào)</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="gpmoqnk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8iu2t27" class="box"><p><p style="text-indent:25px">石油和天然氣是化學(xué)鍍鎳的重要市場(chǎng)之一，油田采油和輸油管道設(shè)備普遍地采用化學(xué)鍍鎳技術(shù)，銅表面化學(xué)鍍鎳報(bào)價(jià)。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(dá)170～200℃，并伴有泥沙和其他磨粒沖蝕等等，腐蝕環(huán)境相當(dāng)惡劣。低碳鋼油氣管道在如此苛刻的條件下，*有2～3個(gè)月的壽命。經(jīng)過50～100um厚的高磷化學(xué)鍍鎳層保護(hù)之后，銅表面化學(xué)鍍鎳報(bào)價(jià)，其腐蝕速率降低到與哈氏合金相當(dāng)?shù)某潭?，銅表面化學(xué)鍍鎳報(bào)價(jià)?？紤]到耐蝕合金價(jià)格昂貴，從性能價(jià)格比上講，碳鋼管道采用化學(xué)鍍鎳保護(hù)的技術(shù)經(jīng)濟(jì)性能較好?；瘜W(xué)鍍鎳工藝技術(shù)高適應(yīng)性強(qiáng)。銅表面化學(xué)鍍鎳報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銅表面化學(xué)鍍鎳報(bào)價(jià),化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783149238281/5920410.png"></div><p style="text-indent:25px">化學(xué)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(yīng)獲得鍍層的方法。到目前為止，化學(xué)鍍鎳是國(guó)外發(fā)展較快的表面處理工藝之一，且應(yīng)用范圍也非常廣?；瘜W(xué)鍍鎳之所以得到迅速發(fā)展，是由于其優(yōu)越的工藝特點(diǎn)所決定?；瘜W(xué)鍍鎳層的工藝特點(diǎn)：1、不需要一般電鍍所需的直流電機(jī)或控制設(shè)備，熱處理溫度低，只要在400℃以下經(jīng)不同保溫時(shí)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(fù)雜，表面要求耐磨和耐蝕的零部件等。2、化學(xué)沉積層的厚度可控，其工藝簡(jiǎn)單，操作方便，溫度低，成本比其它表面處理防護(hù)低，適用于在中、小型工廠或小批量生產(chǎn)。慈溪鋼管化學(xué)鍍鎳化學(xué)鍍鎳在離子交換情況下，基底金屬本身就是還原劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銅表面化學(xué)鍍鎳報(bào)價(jià),化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783220722656/3167001.png"></div><p style="text-indent:25px">化學(xué)鍍鎳的物理特征：傳統(tǒng)上，化學(xué)鍍作為一種表面處理方法應(yīng)歸屬于電鍍，是電鍍的一個(gè)鍍種。但化學(xué)鍍不同于電鍍，主要是因?yàn)榛瘜W(xué)鍍不需要外加電源，而且操作方法與不同于電鍍，其特點(diǎn)如下：（1）化學(xué)鍍的結(jié)合力、防腐性能都優(yōu)于電鍍。某些化學(xué)鍍層還有特殊的物理化學(xué)性能。（2）硬度高，耐磨性好，化學(xué)鍍鎳層熱處理后硬度達(dá)Hv1100，工模具鍍鎳后一般壽命提高3倍以上。（3）耐腐蝕強(qiáng)，化學(xué)鍍鎳層在酸、堿、鹽、氨和海水等介質(zhì)中都具有很好的耐腐蝕性，其耐腐蝕性勝于不銹鋼。</p><p style="text-indent:25px">化學(xué)鍍鎳又稱為無電解鍍，也可以稱為自催化電鍍。具體過程是指：在一定條件下，水溶液中的金屬離子被還原劑還原，并且沉淀到固態(tài)基體表面上的過程。化學(xué)鍍鎳就是在不通電的情況下，利用氧化還原反應(yīng)在具有催化表面的鍍件上，獲得金屬合金的方法。它是新近發(fā)展起來的一門新技術(shù)?；瘜W(xué)鍍鎳經(jīng)過多年的不斷探索與研究，近幾年已發(fā)展極成熟了，化學(xué)鍍鎳水幾乎適用于所有金屬表面鍍鎳。如：鋼鐵鍍鎳，不銹鋼鍍鎳，鋁鍍鎳，銅鍍鎳等等，它同樣適用于非金屬表面鍍鎳。比如：陶瓷鍍鎳，玻璃鍍鎳，金剛石鍍鎳，碳片鍍鎳，塑料鍍鎳，樹脂鍍鎳等等。使用范圍是非常普遍的。化學(xué)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="銅表面化學(xué)鍍鎳報(bào)價(jià),化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333782988798828/1953806.png"></div><p style="text-indent:25px">化學(xué)鍍鎳在采礦工業(yè)的應(yīng)用：采礦工業(yè)環(huán)境條件惡劣，井下機(jī)械不可避免地接觸鹽水、礦酸，以受腐蝕和磨損的考驗(yàn)。因此，采礦機(jī)械需要進(jìn)行表面保護(hù)。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(hù)層。然而，由于硬鉻表面裂紋、多孔，使用中經(jīng)常因?yàn)楦g嚴(yán)重以致液壓支柱被咬死而無法動(dòng)作。高壓液壓缸的這種問題更加嚴(yán)重。在高壓工作下，鍍層受到拉伸，使得高內(nèi)應(yīng)力的硬鉻層的裂紋進(jìn)一步加劇。這種情況下，采用25um厚的壓應(yīng)力的高磷化學(xué)鍍鎳層做保護(hù)，當(dāng)液壓支柱受高壓拉伸時(shí)，化學(xué)鍍鎳層不會(huì)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(xué)鍍鎳廢液中，若不存在絡(luò)合劑或絡(luò)合劑的量較少時(shí)，可直接采用氫氧化鈉調(diào)節(jié)pH值。杭州化學(xué)鍍鎳硬度</p><p style="text-indent:25px">化學(xué)鍍鎳是溶液中的鎳離子被次磷酸二氫鈉還原為原子而沉積于制件表面上，形成細(xì)致光亮的鎳鍍層。銅表面化學(xué)鍍鎳報(bào)價(jià)</p><p style="text-indent:25px">化學(xué)鍍鎳的除油技術(shù)：常見的除油方式有:有機(jī)溶劑除油、光電催化除油、有機(jī)化學(xué)除油及表活劑除油和手工制作除油及機(jī)械設(shè)備除油等。不一樣的除油方式具備不一樣的除油特性。有機(jī)溶劑除油是運(yùn)用溶劑與油漬構(gòu)造上的相似度，使油漬融解于溶劑中，做到除油的目地;光電催化除油一般是以稀燒堿溶液為鋰電池電解液，以產(chǎn)品工件為電級(jí)，開展電解法解決，運(yùn)用電解法時(shí)在電級(jí)表層溶解的汽體，將油漬強(qiáng)制從產(chǎn)品工件表層擺脫;有機(jī)化學(xué)除油是運(yùn)用堿與油漬生皂化反應(yīng)開展除油;表活劑除油是運(yùn)用其乳狀液、增溶、濕潤(rùn)、分散化等功效做到除油的目地。機(jī)械設(shè)備和手工制作除油是顯而易見的。金屬表面處理劑的磷化液磷化是金屬材料防腐蝕的重要方法之一。銅表面化學(xué)鍍鎳報(bào)價(jià)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3089240.html</p></div></div></div></div></div><div id="few3rdv" class="page-right twoColRt"><div id="2w2wdzw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sh8nfmj" 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" 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