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id="r2bqm8x" class="proBig"><div id="ajvhtpl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rkwn8wl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="adubfri" 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>金山區(qū)表面處理鋅鎳合金價格,電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-01 13:20:21</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="em7kyug" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海弘夏電鍍有限公司銷售</a></p><p><span>聯(lián)系人：</span>施經(jīng)理</p><p><span>郵箱: </span>www.platessy@163.com</p><p><span>電話: </span>15221395693</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://shhxdd.shop.88360.com</p><p><span>手機(jī): </span>021-58088779</p><p><span>地址: </span>大團(tuán)鎮(zhèn)大泥公路139號</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="2qm3lgs" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rok7bx2" class="box"><p><p style="text-indent:25px">堿性電鍍鋅鎳合金鍍液組成及工藝條件：氧化鋅8～12g／L，硫酸鎳(NiS04·6H20)10～14g／L，氫氧化鈉100～140g／L，乙二胺20～30mL／L，三乙醇胺30～50mL／L，ZQ(哈爾濱工業(yè)大學(xué)生產(chǎn))18～14mL／L。電流密度1～5A／dm2，工作溫度15～35℃，陽極采用鋅和鎳板，金山區(qū)表面處理鋅鎳合金價格，鍍層鎳含量約l3％左右。鍍液中主鹽zn2+：Ni2+比值對鍍層中鎳含量影響很大，其關(guān)系見圖4-1。氫氧化鈉為鋅離子的絡(luò)合劑，乙二胺、三乙醇胺為鎳離子絡(luò)合劑，盡管二者也能與鋅離子絡(luò)合，但與鋅離子絡(luò)合能力較鎳離子弱，金山區(qū)表面處理鋅鎳合金價格，所以其用量對鍍層中鎳含量有影響。**報道堿性鋅鎳合金光亮劑由三類組成：其中一類為有機(jī)胺與環(huán)氧氯丙烷的縮合物，單獨使用，金山區(qū)表面處理鋅鎳合金價格，可使鍍層結(jié)晶細(xì)致，呈半光亮狀態(tài)；第二類為有機(jī)醛，如香草醛等，主要起光亮作用；第三類為碲酸鈉等無機(jī)鹽，可使**電流密度部分共沉積鎳含量提高。電鍍鋅鎳合金是種適合鋼鐵緊固件的可靠的、綜合性價比較高防護(hù)層。金山區(qū)表面處理鋅鎳合金價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)表面處理鋅鎳合金價格,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png"></div><p style="text-indent:25px">兩種電鍍鋅鎳合金工藝優(yōu)點比較：酸性鋅鎳合金電鍍與堿性鋅鎳合金電鍍的工藝特點與酸性鍍鋅與堿性鍍鋅的特點類似。堿性鋅鎳合金電鍍的優(yōu)點：1、均鍍能力(分散能力)好，鍍層，均鍍能力(分散能力)相對較低，厚度分布相對均勻。 2、工件高、低電流密度區(qū)鍍層中鎳的含量差別較小。酸性鋅鎳合金電鍍的優(yōu)點：1、電流效率高，一般為90%左右；鍍層沉積速度快，高可達(dá)1.0微米/分以上。2、生產(chǎn)運行成本低，較堿性工藝低50%左右。3、保持鍍槽正常運轉(zhuǎn)相對較易。4、可以鍍覆鑄鐵、滲碳鋼、高碳鋼。江蘇含鎳合金性價比高為了進(jìn)一步提高合金鍍層的耐蝕性，一般還需要鍍后處理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)表面處理鋅鎳合金價格,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476914326172/9348988.png"></div><p style="text-indent:25px">現(xiàn)舉例說明堿性電鍍鋅鎳合金鍍液組成及工藝條件。氧化鋅8～12g／L，硫酸鎳(NiS04·6H20)10～14g／L，氫氧化鈉100～140g／L，乙二胺20～30mL／L，三乙醇胺30～50mL／L，ZQ18～14mL／L。電流密度1～5A／dm2，工作溫度15～35℃，陽極采用鋅和鎳板，鍍層鎳含量約l3％左右。鍍液中主鹽zn2+：Ni2+比值對鍍層中鎳含量影響很大，其關(guān)系見圖4-1。氫氧化鈉為鋅離子的絡(luò)合劑，乙二胺、三乙醇胺為鎳離子絡(luò)合劑，盡管二者也能與鋅離子絡(luò)合，但與鋅離子絡(luò)合能力較鎳離子弱，所以其用量對鍍層中鎳含量有影響。**報道堿性鋅鎳合金光亮劑由三類組成：開始一類為有機(jī)胺與環(huán)氧氯丙烷的縮合物，單獨使用，可使鍍層結(jié)晶細(xì)致，呈半光亮狀態(tài)；第二類為有機(jī)醛，如香草醛等，主要起光亮作用；第三類為碲酸鈉等無機(jī)鹽，可使**電流密度部分共沉積鎳含量提高。</p><p style="text-indent:25px">電鍍鋅鎳合金有好的耐腐蝕性。同樣厚度時，鋅鎳合金層耐腐蝕性為純鋅鍍層的4-8倍，鍍層回本身對鋼鐵基體為陽極性答鍍層，可提供有效的陰極保護(hù)作用。厚度保持在螺紋公差范圍內(nèi)5～15μm的厚度，可獲得較長時間的耐蝕性。顯示涂層本身具有非常低的腐蝕速率。鍍層與基體間有足夠的結(jié)合力，以保證鍍層發(fā)揮其高耐蝕性。優(yōu)良的耐熱疲勞性能。在-60-250℃之間鍍層經(jīng)激冷激熱處理后，其耐蝕性無變化?？杉庸ば耘c電鍍純鋅層相當(dāng)。鍍層經(jīng)變形加工后，仍具有優(yōu)于純鋅鍍層的耐蝕性。低氫脆性。鋅鎳合金鍍層氫脆率*為1.5%，而電鍍純鋅的脆化率一般均在40%以上，光亮鍍鎘層為18%左右。鋅鎳合金鍍層的硬度比純鋅高，因而具有更好的耐磨性。工藝操作簡便。電鍍鋅鎳合金的工藝流程及設(shè)備與電鍍純鋅一樣，不需增加特殊的裝備。工藝流程：鍍前驗收→除油→水洗→酸洗除銹→清洗→活化→水洗→電鍍鋅鎳合金→水洗→鈍化→水洗→干燥→分類包裝。電鍍鎳鍍層發(fā)暗的原因是什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)表面處理鋅鎳合金價格,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476771845703/8505200.png"></div><p style="text-indent:25px">電鍍鋅鎳合金液體系中存在離子對。一方面，離子對的形成降低了溶液的電導(dǎo)率;另一方面，它能有效地改變?nèi)芤褐心承┡潆x子的荷電情況，從而控制某些金屬離子的電沉積反應(yīng)。添加劑(如表面活性劑)之間也能產(chǎn)生離子對作用，這種作用強(qiáng)化了電鍍鋅鎳合金金屬電沉積過程中添加劑的電極阻化作用。電鍍鋅鎳合金層具有許多其它同類單金屬鍍層所不具備的比較優(yōu)異的性能，因此在近現(xiàn)代已被人們普遍的應(yīng)用在各個工業(yè)領(lǐng)域內(nèi)。電鍍鋅鎳合金層具有許多其它同類單金屬鍍層所不具備的比較優(yōu)異的性能，因此在近現(xiàn)代已被人們普遍的應(yīng)用在各個工業(yè)領(lǐng)域內(nèi)。電鍍鋅鎳合金后還可以再在表面電鍍其他鍍種嗎？南京鋅鎳哪家好</p><p style="text-indent:25px">電鍍鋅鎳合金的特點——耐蝕性好，比鋅3倍以上，經(jīng)彩色鈍化或黑色鈍化，耐蝕性將提高。金山區(qū)表面處理鋅鎳合金價格</p><p style="text-indent:25px">當(dāng)鋅鎳合金鍍層中含鎳量為8%~15%(較佳值13%)時,其耐蝕性能優(yōu)良,約為同等厚度下鍍鋅層的3倍~5倍;而且含鎳量15%以下的鋅鎳合金鍍層還可以鈍化,鈍化后耐蝕性得到一定的增強(qiáng);鋅鎳合金鍍層基本無氫脆,可焊性和延展性也較好。所以,鋅鎳合金鍍層是一種適合緊固件的成熟、合理的防護(hù)層。通過相關(guān)工藝試驗,著重對鋅鎳合金鍍層性能進(jìn)行了分析研究。相比鋅鍍層而言,鋅鎳合金鍍層的耐蝕性能更加優(yōu)異。研究表明,當(dāng)鋅鎳合金鍍層發(fā)生腐蝕時,鎳的存在導(dǎo)致其腐蝕產(chǎn)物為ZnCl2?4Zn(OH)2,該產(chǎn)物均勻致密地覆蓋在表面上,且不易導(dǎo)電,故對鍍層有保護(hù)作用;而且,鎳對陰極過程有阻抑的作用,這也有利于耐蝕性的提高。然而,鋅鍍層的腐蝕產(chǎn)物主要是疏松、無保護(hù)性的半導(dǎo)體ZnO。這些原因合理解釋了試驗結(jié)果。金山區(qū)表面處理鋅鎳合金價格</p><p style="text-indent:25px">上海弘夏電鍍有限公司總部位于大團(tuán)鎮(zhèn)大泥公路139號，是一家鍍鋅鎳合金、鍍銀、鍍鎳、等鍍種。主要加工產(chǎn)品有液壓閥塊類、汽車配件、醫(yī)療器械、電子產(chǎn)品、各類五金器具等。我們目前服務(wù)的客戶主要有：泰科、西門子電器、三一重工、徐工集團(tuán)、三菱空調(diào)、上汽集團(tuán)、通用集團(tuán)等。的公司。公司自創(chuàng)立以來，投身于電鍍鋅鎳合金，電鍍鎳，電鍍錫，電鍍銀，是機(jī)械及行業(yè)設(shè)備的主力軍。上海弘夏電鍍繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。上海弘夏電鍍創(chuàng)始人施圣堯，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3112383.html</p></div></div></div></div></div><div id="ge883ph" class="page-right twoColRt"><div id="mfvxjvh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="h83pdev" 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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