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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="px8xoam" class="twoCol"><div id="89lcl2e" class="page-proshow clearfix"><p class="current"> 當前位置:<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>?舟山化學(xué)鍍鎳耐高溫誠信為本上海昊琳化工供應(yīng)</p><div id="uoam9nj" class="leftbox clearfix"><h1>舟山化學(xué)鍍鎳耐高溫誠信為本上海昊琳化工供應(yīng)</h1><div id="rvmoijl" class="proBig"><div id="8ddkefm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333783220722656/3167001.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mta7ikb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637333783220722656/3167001.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dxzdl32" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>舟山化學(xué)鍍鎳耐高溫,化學(xué)鍍鎳</p><p><span>***更新：</span>2021-01-20 03:13:13</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="xgnu3a7" 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="vjam9l7" class="page-proshow02"><p class="title">詳細說明</p><div id="3iuw4q3" class="box"><p><p style="text-indent:25px">化學(xué)鍍鎳在金屬表的應(yīng)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，舟山化學(xué)鍍鎳耐高溫、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，舟山化學(xué)鍍鎳耐高溫，舟山化學(xué)鍍鎳耐高溫。偏堿清洗劑因為價錢較低、不含毒性、不易燃性等緣故，應(yīng)用比較普遍。但在應(yīng)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(yīng)用偏堿清洗劑時，一般添加表活劑組成復(fù)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。化學(xué)鍍鎳是新近發(fā)展起來的一門新技術(shù)。舟山化學(xué)鍍鎳耐高溫</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山化學(xué)鍍鎳耐高溫,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783220722656/3167001.png"></div><p style="text-indent:25px">要怎么在不同基材上使用化學(xué)鍍鎳?對于不同的基材應(yīng)采取相應(yīng)的措施如下：基體本身具有催化作用的如鐵、鎳等可直接進行化學(xué)鍍鎳。電位比鎳負的鋁、鎂等金屬比較好的是在化學(xué)鍍鎳前進行浸鋅處理，而后再進行化學(xué)鍍鎳。不銹鋼基體應(yīng)先閃鍍一層鎳，再進行化學(xué)鍍鎳。電位較正且無催化作用的金屬，如銅及其合金、**度鐵合金等，應(yīng)先用經(jīng)過預(yù)處理的鐵絲或鋁絲接觸零件表面，使之變成短路電池得以化學(xué)鍍鎳順利進行反應(yīng)。非金屬材料如陶瓷、玻璃、塑膠等，應(yīng)經(jīng)過進行仔細的粗化和活化工序，方可順利進行化學(xué)鍍鎳。杭州化學(xué)鍍鎳磷成分化學(xué)鍍鎳活性氫化物與溶液中的鎳離子進行還原反應(yīng)而沉積鎳,其本身氧化成氫氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山化學(xué)鍍鎳耐高溫,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783126796875/2752202.png"></div><p style="text-indent:25px">化學(xué)鍍鎳不僅可以在金屬表面施鍍，通過特殊的活化、敏化處理，還能夠在非金屬表面上進行?；瘜W(xué)鍍鎳設(shè)備簡單，不需要電源及陽極，只要在溫度、pH值工藝參數(shù)合理的條件下，把待鍍零件浸入在鍍液中即可。化學(xué)鍍鎳的結(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。化學(xué)鍍鎳硬度高，耐磨性好，化學(xué)鍍鎳層熱處理后硬度達Hv1100，工模具鍍鎳后一般壽命提高3倍以上。化學(xué)鍍鎳耐腐蝕強，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)鍍鎳在堿性鍍液中，則為鎳離子被氫負離子所還原，即氫負離子H一同時可與H20或H+反應(yīng)放出氫氣：同時有磷還原析出。迄今為止，化學(xué)鍍鎳的發(fā)展已有50多年的歷史。經(jīng)過半個多世紀的研究開發(fā)，化學(xué)鍍鎳已進入發(fā)展成熟期，其現(xiàn)狀可概括為：技術(shù)成熟、性能穩(wěn)定、功能多樣、用途普遍。用化學(xué)鍍鎳沉積的鍍層，有一些不同于電沉積層的特性。以次磷酸鈉為還原劑時，由于有磷析出，發(fā)生磷與鎳的共沉積，所以化學(xué)鍍鎳層是磷呈彌散態(tài)的鎳磷合金鍍層，鍍層中磷的質(zhì)量分數(shù)為1%～l5%，控制磷含量得到的鎳磷鍍層致密、無孔，耐蝕性遠優(yōu)于電鍍鎳。以硼氫化物或氨基硼烷為還原劑時，化學(xué)鍍鎳層是鎳硼合金鍍層，硼的含量為1%～7%。只有以肼作還原劑得到的鍍層才是純鎳層，含鎳量可達到99．5%以上?；瘜W(xué)鍍鎳的歷史與電鍍相比，比較短暫?；瘜W(xué)鍍鎳中用得比較多的鍍層金屬則是金和銅。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山化學(xué)鍍鎳耐高溫,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783068779297/3182023.png"></div><p style="text-indent:25px">化學(xué)鍍鎳包括鍍鎳、鍍銅、鍍金、鍍錫等很多鍍種，但應(yīng)用范圍比較廣的還是化學(xué)鍍鎳。與電鍍鎳層相比，化學(xué)鍍鎳層的性能有如下諸多優(yōu)點：⑴利用次磷酸鈉作為還原劑的化學(xué)鍍鎳過程得到的是Ni-P合金，控制鍍層中的磷含量可以得到Ni-P非晶態(tài)結(jié)構(gòu)鍍層。鍍層致密、孔隙率低、耐腐蝕性能均優(yōu)于電鍍鎳。⑵化學(xué)鍍鎳層的鍍態(tài)硬度為450~600HV，經(jīng)過合理的熱處理后，可以達到1000-1100HV，在某些情況下，甚至可以代替硬鉻使用。⑶根據(jù)鍍層中的含磷量，可以控制鍍層為磁性或非磁性。⑷鍍層的磨擦系數(shù)低，可以達到無油潤滑的狀態(tài)，潤滑性與抗金屬磨損性方面也優(yōu)于電鍍。⑸低磷鍍層具有良好的可焊性?；瘜W(xué)鍍鎳的技術(shù)工藝處理后的金屬表面為非晶態(tài)鍍層。舟山化學(xué)鍍鎳耐高溫</p><p style="text-indent:25px">化學(xué)鍍鎳的歷史與電鍍相比，比較短暫。舟山化學(xué)鍍鎳耐高溫</p><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，是電鍍的一個鍍種。但化學(xué)鍍不同于電鍍，主要是因為化學(xué)鍍不需要外加電源，而且操作方法與不同于電鍍，其特點如下：（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Hv1100，工模具鍍鎳后一般壽命提高3倍以上。（3）耐腐蝕強，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。舟山化學(xué)鍍鎳耐高溫</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2923525.html</p></div></div></div></div></div><div id="ky8jgxo" class="page-right 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