江西醫(yī)療器械化學(xué)鍍鎳加工上海眾霖五金供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="化學(xué)鍍鎳是指在一定條件下，水溶液中的金屬離子被還原劑還原，并且沉淀到固態(tài)基體表面的過程。這一過程與置換鍍不同，其鍍層是可以不斷增厚，且施鍍金屬本身也具有催化能力，那么化學(xué)鍍鎳層的作用都有哪些呢？下面就為大家具體介紹一下： &ems"><meta name="keywords" content="江西醫(yī)療器械化學(xué)鍍鎳加工,化學(xué)鍍鎳"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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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/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_wjpjbzvv/">五金配件包裝</a>?江西醫(yī)療器械化學(xué)鍍鎳加工上海眾霖五金供應(yīng)</p><div id="lgheq3v" class="leftbox clearfix"><h1>江西醫(yī)療器械化學(xué)鍍鎳加工上海眾霖五金供應(yīng)</h1><div id="hd7dfor" class="proBig"><div id="zdv2pf3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Shzhonglin/637446946212729861/6083092.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ftvfbys" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Shzhonglin/637446946212729861/6083092.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j27kb7h" 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>江西醫(yī)療器械化學(xué)鍍鎳加工,化學(xué)鍍鎳</p><p><span>***更新：</span>2021-01-25 01:16:04</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="3u3j7fq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海眾霖五金有限公司</a></p><p><span>聯(lián)系人：</span>李俊</p><p><span>郵箱: </span>lijun@zhong-lin.cn</p><p><span>電話: </span>15821195363</p><p><span>傳真: </span>020_</p><p><span>網(wǎng)址: </span>http://Shzhonglin.shop.88360.com</p><p><span>手機: </span>020-15821195</p><p><span>地址: </span>上海市松江區(qū)民強路550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="2osj7kh" class="page-proshow02"><p class="title">詳細說明</p><div id="xr3hbh3" class="box"><p><p> 化學(xué)鍍鎳是指在一定條件下，水溶液中的金屬離子被還原劑還原，并且沉淀到固態(tài)基體表面的過程。這一過程與置換鍍不同，其鍍層是可以不斷增厚，且施鍍金屬本身也具有催化能力，那么化學(xué)鍍鎳層的作用都有哪些呢？下面就為大家具體介紹一下： </p> <p> （1）利用次磷酸鈉作為還原劑的化學(xué)鍍鎳過程得的是Ni-P合金，控制鍍層中的磷含量可以得Ni-P非晶態(tài)結(jié)構(gòu)鍍層。鍍層致密，江西醫(yī)療器械化學(xué)鍍鎳加工，江西醫(yī)療器械化學(xué)鍍鎳加工、孔隙率低、耐腐蝕性能均優(yōu)于電鍍鎳。 </p> <p> （2）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。 </p> <p> （3）根據(jù)鍍層中的含磷量，可以控制鍍層為磁性或非磁性。 </p> <p> （4）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。 </p> <p> （5）低磷鍍層具有良好的可焊性。 </p> <p> 除此之外，化學(xué)鍍鎳可以簡化電鍍工藝，尤其采用膠體鈀直接活化時更是如此，化學(xué)鍍鎳層上可直接進行光亮鍍鎳加厚，化學(xué)鍍鎳溶液較化學(xué)鍍銅溶液穩(wěn)定，沉積速度快，江西醫(yī)療器械化學(xué)鍍鎳加工。學(xué)鍍鎳是一種化學(xué)溶液，在鋼部件的表面形成一層化學(xué)鍍鎳膜，有效的隔斷鋼部件與腐蝕性介質(zhì)的接觸55.江西醫(yī)療器械化學(xué)鍍鎳加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西醫(yī)療器械化學(xué)鍍鎳加工,化學(xué)鍍鎳" src="https://tyunfile.71360.com/WaterMark/UploadFile/Shzhonglin/637446946212729861/6083092.png"></div><p> 化學(xué)鎳的原子半徑為0.125nm，銅的原子半徑為0.128nm，銅和鎳均為FCC結(jié)構(gòu)晶體，二者可以無限互溶，在科研活動和材料學(xué)的研究和教學(xué)中，銅鎳合金、鎳鈦合金都是研究、分析二元合金特性的很好的材料。 </p> <p> 化學(xué)鎳 </p> <p> 在工業(yè)生產(chǎn)中，絕大多數(shù)的鎳材，用于制造不銹鋼、合金鋼、非鉄合金、鑄材、電鍍材料等。在不銹鋼中，除了含量較高的鉻以外，鎳和鉬都能輔助提高不銹鋼的耐蝕性。鎳，是個非常重要的合金鋼元素，對耐蝕、抗蠕變、耐高溫/低溫、耐磨都有很大影響。另外，鎳元素使用不當，會影響鋼材的抗沖擊強度。以鋼材為**的鐵基材料，因為密度大、導(dǎo)電不良、易腐蝕等原因，在某些場合無法滿足人們的各種使用要求。 </p> <p> 除了冶煉過程中加入鎳，來改善不銹鋼的耐蝕性以外，鍍鎳，也是一種增強產(chǎn)品耐蝕性的一種好辦法。而以鎳和銅為基本材料的Monel合金，則更是廣泛應(yīng)用于各種泵、閥、石油冶煉設(shè)備、船舶及海洋工程設(shè)備中。河南紫銅化學(xué)鍍鎳加工凡需要耐磨，耐蝕的零部件一般都可以用化學(xué)鍍鎳合金層來提高其壽命1.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西醫(yī)療器械化學(xué)鍍鎳加工,化學(xué)鍍鎳" src="https://tyunfile.71360.com/WaterMark/UploadFile/Shzhonglin/637446946627358840/1665760.png"></div><p> 化學(xué)鍍鎳相信大家通過之前的介紹對其有了一定的了解了，化學(xué)鍍鎳是一種化學(xué)溶液，能與碳鋼等部件發(fā)生化學(xué)反應(yīng)，在鋼部件的表面形成一層化學(xué)鍍鎳膜，有效的隔斷鋼部件與腐蝕性介質(zhì)的接觸，從而達到防腐的目的。那么大家是否知道化學(xué)鍍鎳在不同行業(yè)的應(yīng)用呢？下面就為大家具體介紹一下： </p> <p> 1、電子、計算機行業(yè) </p> <p> 鋁鎂合金硬盤、線路板、薄膜電阻器、金屬元件等，利用化學(xué)鍍鎳合金可提高其耐磨、耐蝕性能和特殊的物理化學(xué)性能。 </p> <p> 2、機械制造工業(yè) </p> <p> 凡需要耐磨，耐蝕的零部件一般都可以用化學(xué)鍍鎳合金層來提高其壽命，如液壓軸、曲軸、傳動鏈帶、齒輪、工卡量具等。 </p> <p> 3、模具行業(yè) </p> <p> 鎳合金鍍層因其耐磨、耐蝕、結(jié)合力強、固體自潤滑性能以及工藝上的均勻，可控厚度等的優(yōu)勢，能夠起到強化模具的理想效果，**提高模具的抗磨損、抗擦傷、抗咬傷的能力，脫模容易，既延長了模具壽命，又提高了模加工件的表面質(zhì)量，用ENP工藝處理模具時表面厚度均勻無變形，模具表面尺寸超差時，可以修復(fù)。 </p><p style="text-indent:25px">在食品加工過程中，會涉及鹽水、亞硝酸鹽、檸檬酸、醋酸、天然木材的煙薰，揮發(fā)性有機酸等腐蝕介質(zhì)等問題；食品加工溫度范圍為60～200，生產(chǎn)環(huán)境中相對濕度很高；在這樣的條件下，食品加工設(shè)備存在著金屬腐蝕、疲勞和磨損等問題。對于接觸食品的金屬表面，傳統(tǒng)的保護方式是電鍍硬鉻；可是，在含氯離子酸性介質(zhì)中，鍍鉻層的耐蝕年并不好；然而，化學(xué)鍍鎳在均鍍能力、高耐蝕性、防粘、脫模性等方面具有明顯的優(yōu)勢。揉面機上與食品接觸的零件采用的化學(xué)鍍鎳就是應(yīng)用成功的實例之一；其他在食品充氣裝罐機、螺桿送料機、拌料鍋、食品模具、烤盤、干燥箱，面包保溫爐等食品機械上越多地采用了化學(xué)鍍鎳。學(xué)鍍鎳是一種化學(xué)溶液，在鋼部件的表面形成一層化學(xué)鍍鎳膜，有效的隔斷鋼部件與腐蝕性介質(zhì)的接觸00.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西醫(yī)療器械化學(xué)鍍鎳加工,化學(xué)鍍鎳" src="https://tyunfile.71360.com/WaterMark/UploadFile/Shzhonglin/637446945973891955/484417.png"></div><p> 化學(xué)鍍鎳技術(shù)能廣為應(yīng)用的原因之一是鍍層具有優(yōu)越的耐蝕性能，它是陰極性鍍層，所以鍍層厚度及完整性是保護基材效果好壞的關(guān)鍵，否則反而加快基材的腐蝕，這點需充分予以重視。那么該如何提高化學(xué)鍍鎳的耐腐蝕性能呢？下面小編就為大家具體介紹一下： </p> <p> 基體質(zhì)量這是鍍層持量的基本保證，但往往被人們忽視。鍍前需了解工件材料的成分、狀態(tài)、冶金質(zhì)量及加工成型的過程，不適當?shù)募庸斐蓱?yīng)力、微裂紋。工件上不應(yīng)有折疊、焊屑、毛刺、孔洞及砂眼等缺陷。鋼中的夾雜物，尤其是硫化物，不*影響鍍層的耐蝕性，還會毒化鍍液。 </p> <p> 鍍前處理基材上原有的潤滑油或緩蝕劑是很難清洗凈的，處理不好不*會降低鍍層結(jié)合力，還會產(chǎn)生***而降低耐蝕性。除化學(xué)清洗法外，碳鋼基材常推薦使用電解清洗法，但這種清洗方法明顯地影響鍍層的耐蝕性。例如在堿性介質(zhì)中陽極清洗會嗇鍍層孔隙率；陰極清洗雖然孔隙率低，但又可能引起氫脆。用堿性除銹劑，若換向周期性地反復(fù)清洗，即在85℃浸泡10分鐘、再陽極清洗2分鐘，效果不如浸泡后改用陰極清洗更耐蝕。化學(xué)鍍鎳合金層的耐蝕、耐磨性能。如形狀復(fù)雜的散熱器、齒輪、噴油嘴、制動瓦片、減振器等等6.江西醫(yī)療器械化學(xué)鍍鎳加工</p><p style="text-indent:25px">化學(xué)鍍鎳是一種化學(xué)溶液，能與碳鋼等部件發(fā)生化學(xué)反應(yīng)，有效的隔斷鋼部件與腐蝕性介質(zhì)的接觸，達防腐目的。江西醫(yī)療器械化學(xué)鍍鎳加工</p><p style="text-indent:25px">由于化學(xué)鍍鎳層具有***的均勻性、硬度、耐磨和耐蝕性等綜合物理化學(xué)性能，該項技術(shù)已經(jīng)得到廣泛應(yīng)用，幾乎難以找到一個工業(yè)不采用化學(xué)鍍鎳技術(shù)。據(jù)報道，化學(xué)鍍鎳在各個工業(yè)中應(yīng)用的比例大致如下：航空航天工業(yè)：9%，汽車工業(yè)：5%，電子計算機工業(yè)：15%，食品工業(yè)：5%，機械工業(yè)：15%，核工業(yè)：2%，石油工業(yè)：10%，塑料工業(yè)：5%，電力輸送工業(yè)：3%，印刷工業(yè)：3%，泵制造業(yè)：5%，閥門制造業(yè)：17%，其他：6%。世界工業(yè)化國家的化學(xué)鍍鎳的應(yīng)用經(jīng)歷了80年代空前的發(fā)展，平均年凈增速率高達10%～15%；預(yù)計化學(xué)鍍鎳的應(yīng)用將會持續(xù)發(fā)展，平均年凈值速率將降低至6%左右，而進入發(fā)展成熟期。在經(jīng)濟蓬勃發(fā)展的東亞和東南地區(qū)，包括中國在內(nèi)，化學(xué)鍍應(yīng)用正在上升階段，預(yù)期仍將保持空前的高速發(fā)展。江西醫(yī)療器械化學(xué)鍍鎳加工</p><p style="text-indent:25px">上海眾霖五金有限公司主要經(jīng)營范圍是五金、工具，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下鍍鎳，鍍金，鍍錫，鍍銀深受客戶的喜愛。公司從事五金、工具多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海眾霖五金秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2994638.html</p></div></div></div></div></div><div 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