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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>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>鎂合金化學(xué)鍍鎳生產(chǎn)廠家,化學(xué)鍍鎳</p><p><span>***更新：</span>2021-02-04 06:13:06</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="g0eu8u8" 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="cwg0cuk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="oacmusi" class="box"><p><p style="text-indent:25px">化學(xué)鍍鎳的技術(shù)特性及作用:1、耐腐蝕性強(qiáng)：該工藝處理后的金屬表面為非晶態(tài)鍍層，抗腐蝕性特別優(yōu)良，經(jīng)硫酸、鹽酸、燒堿、鹽水同比試驗(yàn)，其腐蝕速率低于1cr18Ni9Ti不銹鋼。2、耐磨性好：由于催化處理后的表面為非晶態(tài)，即處于基本平面狀態(tài)，有自潤(rùn)滑性。因此，摩擦系數(shù)小，非粘著性好，耐磨性能高，在潤(rùn)滑情況下，可替代硬鉻使用，鎂合金化學(xué)鍍鎳生產(chǎn)廠家。3、光澤度高：催化后的鍍件表面光澤度為L(zhǎng)Z或▽8-10可與不銹鋼制品媲美，呈白亮不銹鋼顏色。工件鍍膜后，表面光潔度不受影響，無(wú)需再加工和拋光。4、表面硬度高：經(jīng)本技術(shù)處理后，金屬表面硬度可提高一倍以上，鎂合金化學(xué)鍍鎳生產(chǎn)廠家，鎂合金化學(xué)鍍鎳生產(chǎn)廠家，在鋼鐵及銅表面可達(dá)Hv570。鍍層經(jīng)熱處理后硬度達(dá)Hv1000，工模具鍍膜后一般壽命提高3倍以上?；瘜W(xué)鍍鎳對(duì)在無(wú)催化活性基底上引發(fā)化學(xué)沉積，起到“反應(yīng)起動(dòng)劑”的作用上，具有重要意義。鎂合金化學(xué)鍍鎳生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎂合金化學(xué)鍍鎳生產(chǎn)廠家,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783093632812/9233108.png"></div><p style="text-indent:25px">化學(xué)鍍鎳在電子和計(jì)算機(jī)工業(yè)中應(yīng)用得非常廣，幾乎涉及到每一種化學(xué)鍍鎳技術(shù)和工藝。許多新的化學(xué)鍍鎳工藝和材料正是根據(jù)電子和計(jì)算機(jī)工業(yè)發(fā)展的需要而研制開(kāi)發(fā)出來(lái)的。在技術(shù)性能方面，除要求耐蝕耐磨之外，還具有可焊接、防擴(kuò)散性、電性能和磁性能等要求。電子設(shè)備的塑料外殼上鍍銅，然后化學(xué)鍍鎳，這樣的雙金屬結(jié)構(gòu)覆層，被公認(rèn)為是非常有效的屏蔽方式之一?；瘜W(xué)鍍鎳是計(jì)算機(jī)薄膜硬磁盤制造中的關(guān)鍵步驟之一。鍍層必須均勻、光滑，表面上的任何缺陷和突起不得超過(guò)0.025um。因?yàn)榧夹g(shù)要求高所以必須使用高質(zhì)量高清潔度的**化學(xué)鍍液、全自動(dòng)的施鍍控制設(shè)備和高清潔度的車間環(huán)境。計(jì)算機(jī)薄膜硬磁盤化學(xué)鍍鎳是高技術(shù)化學(xué)鍍鎳的典型表率，占有相當(dāng)重要的市場(chǎng)份額。鎂合金化學(xué)鍍鎳生產(chǎn)廠家化學(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎂合金化學(xué)鍍鎳生產(chǎn)廠家,化學(xué)鍍鎳" src="https://tyunfile.71360.com/UploadFile/haolin123/637333783170947266/6080931.png"></div><p style="text-indent:25px">化學(xué)鍍鎳沉積的特性：1、化學(xué)穩(wěn)定性高、鍍層結(jié)合力好。在大氣中以及在其他介質(zhì)中，化學(xué)鍍鎳層的化學(xué)穩(wěn)定性高于電鍍鎳層的化學(xué)穩(wěn)定性。與通常的鋼鐵、銅等基體的結(jié)合良好，結(jié)合力不低于電鍍鎳層和基體的結(jié)合力。2、由于化學(xué)鍍鎳層含磷量的不同及鍍后熱處理工藝的不同，鍍鎳層的物理化學(xué)特性，如硬度、抗蝕性能、耐磨性能、電磁性能等具有豐富多彩的變化，是其他鍍種少有的。所以，化學(xué)鍍鎳的工業(yè)應(yīng)用及工藝設(shè)計(jì)具有多樣性和**性的特點(diǎn)。</p><p style="text-indent:25px">化學(xué)鍍鎳是不用外來(lái)電流，借氧化還原作用在金屬制件的表面上沉積一層鎳的方法。用于提高抗蝕性和耐磨性，增加光澤和美觀。適合于管狀或外形復(fù)雜的小零件的光亮鍍鎳，不必再經(jīng)拋光。一般將被鍍制件浸入以硫酸鎳、次磷酸二氫鈉、乙酸鈉和硼酸所配成的混合溶液內(nèi)，在一定酸度和溫度下發(fā)生變化，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。鋼鐵制件可直接鍍鎳。錫、銅和銅合金制件要先用鋁片接觸于其表面上1-3分鐘，以加速化學(xué)鍍鎳。錫、銅和銅合金制件要先用鋁片接觸其表面上1-3分鐘，以加速化學(xué)鍍鎳。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎂合金化學(xué)鍍鎳生產(chǎn)廠家,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、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(shí)際效果不錯(cuò)。偏堿清洗劑因?yàn)閮r(jià)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(shí)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(shí)，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(jī)加工過(guò)程中具有潤(rùn)滑性?；瘜W(xué)鍍鎳的電流來(lái)自化學(xué)反應(yīng)，而不是由外電源提供。泰州光亮化學(xué)鍍鎳</p><p style="text-indent:25px">化學(xué)鍍鎳對(duì)于有絡(luò)和劑廢液的除鎳，首先利用CaO調(diào)節(jié)廢液的pH值在8左右，除去大部分的有機(jī)酸絡(luò)合劑。鎂合金化學(xué)鍍鎳生產(chǎn)廠家</p><p style="text-indent:25px">化學(xué)鍍鎳不僅可以在金屬表面施鍍，通過(guò)特殊的活化、敏化處理，還能夠在非金屬表面上進(jìn)行。化學(xué)鍍鎳設(shè)備簡(jiǎn)單，不需要電源及陽(yáng)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?；瘜W(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?；瘜W(xué)鍍鎳硬度高，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?；瘜W(xué)鍍鎳耐腐蝕強(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。鎂合金化學(xué)鍍鎳生產(chǎn)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3154964.html</p></div></div></div></div></div><div id="wsqk8me" class="page-right twoColRt"><div id="cy8yyw8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qu0ewcm" 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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