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id="j8zilsj" class="twoCol"><div id="elhjsht" 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/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_wjgjxmhz/">五金工具項目合作</a>?合肥傳感器外殼鍍銀廠商惠州市微納科技供應(yīng)</p><div id="s8woqxu" class="leftbox clearfix"><h1>合肥傳感器外殼鍍銀廠商惠州市微納科技供應(yīng)</h1><div id="evctgne" class="proBig"><div id="shebifm" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771352949154_hzwnkj_3055730.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qvxpwyv" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771352949154_hzwnkj_3055730.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3f98pby" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>合肥傳感器外殼鍍銀廠商,鍍銀</p><p><span>***更新：</span>2020-07-11 03:22:52</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="n8m23dc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">惠州市微納科技有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>lijn@vacano.com</p><p><span>電話: </span>13421322633</p><p><span>傳真: </span>0752_6531566</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0752-6531558</p><p><span>地址: </span>廣東惠東縣大嶺鎮(zhèn)產(chǎn)業(yè)轉(zhuǎn)移園華源軒大道遠(yuǎn)銘揚工業(yè)</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="qvnkh3p" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jtvrdcj" class="box"><p><p> 材料表面化學(xué)處理中真空處理法，是指把在高真空狀態(tài)下使材料氣化或離子化沉積在加工件表面形成鍍膜層的過程，主要的方法有物***相沉積法、離子注入法和化學(xué)氣相沉積法。所謂的物***相沉積是指在真空條件下，把金屬氣化成原子或者離子等，合肥傳感器外殼鍍銀廠商，然后直接沉積到工件的表面，形成涂層鍍膜的過程，合肥傳感器外殼鍍銀廠商。所謂的離子注入則是在電壓下把不同離子注入工件表面令其表面改性的過程，合肥傳感器外殼鍍銀廠商。所謂的化學(xué)氣相沉積則指的是低壓（或常壓）下，氣態(tài)物質(zhì)在工件表面因化學(xué)反應(yīng)而生成固態(tài)沉積層的過程。銀的標(biāo)準(zhǔn)電極電位(25℃，相對于氫標(biāo)準(zhǔn)電極，Ag／Ag+)為+0．799V；合肥傳感器外殼鍍銀廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥傳感器外殼鍍銀廠商,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771352949154_hzwnkj_3055730.jpg"></div><p style="text-indent:25px">鍍銀過程并非一次性完成的，會先經(jīng)過預(yù)鍍銀工序，預(yù)鍍銀能防止工件直接進(jìn)如銀槽銅與銀一字置換以及銀層結(jié)合力。預(yù)鍍銀的原理是鍍液中采用低主鹽高絡(luò)合物組成，不僅能有效降低置換反反應(yīng)的速度，而且能讓鍍液有較高的絡(luò)合度從而提高陰極化，讓鍍層或者一層結(jié)晶致密且絡(luò)合度良好的過渡層。借助化學(xué)反應(yīng)原理，在電的作用下，銀離子會在工件上得到電子而生成銀單質(zhì)，從而沉積到工件表面上，而不溶性的陽極只會做析氧返傭。鍍銀中使用的鍍液主要是由**銀鉀、**鉀配置而成的。蕪湖可視電話機鍍銀價格在正式鍍銀前，一般都要采用預(yù)鍍措施。這種預(yù)鍍液的要點是有很高的**物含量和很低的銀離子濃度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥傳感器外殼鍍銀廠商,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771676367314_hzwnkj_8080555.jpg"></div><p style="text-indent:25px">國內(nèi)國外對于防止銀變色方法各有各的方法，但是總體來說是八九不離十吧。國內(nèi)目前采用的主流方法有：化學(xué)鈍化、電化學(xué)鈍化、預(yù)鍍膜、脈沖電鍍、有機化合鈍化處理、電泳法和涂有機溶劑保護(hù)層等方法。我們拿化學(xué)鈍化和脈沖電鍍進(jìn)行對比說明：化學(xué)鈍化采用重鉻酸鹽溶液處理，在表面形成氧化銀和鉻酸銀薄膜。鉻酸鹽鈍化成本低，操作簡單，維護(hù)方便，但這種膜抗變色能力較差。脈沖電鍍采用間歇式供電，陰極電位隨時間作周期性變化，這樣可以提高陰極電流效率，減少***，增加銀層的密度。</p><p style="text-indent:25px">預(yù)鍍銀處理完后就開始鍍銀工藝了，鍍銀的目的是作為一種鍍層在工件上，在導(dǎo)電設(shè)備上降低工件使用過程中接觸電阻提高導(dǎo)電性能，或者是裝飾功能用在飾品上。鍍銀的原理與預(yù)鍍銀原理基本一致，都屬于化學(xué)反應(yīng)原理，在電的作用下，銀板會失去電子生產(chǎn)銀離子溶解于鍍液中，陰離子在產(chǎn)品得到電子而生成銀單只，并沉積到工件上面。**銀鉀為鍍銀中鍍液的主鹽，提供金屬鹽，它含有的金屬銀約為五成左右；**鉀則在鍍銀中鍍液起到鍍液絡(luò)合劑的作用，用來維持一定量的游離**鉀，穩(wěn)定鍍液，提高膜層結(jié)晶效率。預(yù)鍍上一層厚度約0．5μm的銀鍍層，從而阻止了置換鍍過程的發(fā)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥傳感器外殼鍍銀廠商,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_4532960.jpg"></div><p style="text-indent:25px">高頻電鍍脈沖和普通的電鍍還是有點區(qū)別的，高頻電鍍脈沖的電源選擇是比較重要的，在使用的時候要注意的。因為高頻電鍍脈沖的電源是一種新型的電鍍電源，其在電鍍行業(yè)中運用也是比較多的，需要注意這些問題：脈沖電鍍電源和電鍍槽之間的距離控制，不能太遠(yuǎn)也不能太近；陰極陽極的接線方法不能參照普通電鍍的方法，因為另個兩根導(dǎo)線的極間電容會抵消導(dǎo)線的傳輸電感效應(yīng)的；蕞后就是選擇合適的導(dǎo)線，選擇的導(dǎo)線蕞厚愛是多股芯線來作為脈沖電源到鍍槽的線接線，從而抵消電感效應(yīng)。由于無氰鍍銀層的電結(jié)晶尺寸明顯地大于**物鍍層，當(dāng)采用脈沖電流時，其晶粒改變的直觀效果會更為明顯。深圳醫(yī)用器械鍍銀價格</p><p style="text-indent:25px">在無氰電鍍方面，鍍鋅和鍍銅均已獲得工業(yè)性生產(chǎn)的成效，但鍍銀的差{距則較大。合肥傳感器外殼鍍銀廠商</p><p> 對于絕大多數(shù)人而言都是不能有效的分辨純銀和鍍銀的區(qū)別，外觀上兩者基本上是同一種樣式，因此在裝飾品行業(yè)很多不良商家會使用鍍銀產(chǎn)品來坑騙消費者。鍍銀和純銀絕不是同一種產(chǎn)品，鍍銀只是單純的在基體表面上鍍上一銀層，其內(nèi)部可以是各種非銀物質(zhì)組成；而純銀產(chǎn)品則是因含量較為接近***銀的，鍍銀更多的是外在美，純銀更多的是內(nèi)在美。從飾品店購買回來的產(chǎn)品可以防止高溫焊搶下燒紅，待產(chǎn)品冷卻后若是出現(xiàn)黑色、暗黑色或發(fā)黃的情況，則是鍍銀產(chǎn)品或銀含量不高的產(chǎn)品。而純銀產(chǎn)品則會呈現(xiàn)如白紙一般的顏色。這個方法是蕞為簡單有效直接的方法，但是對于購買回來的產(chǎn)品很多消費者是不愿意這樣操作檢驗的。合肥傳感器外殼鍍銀廠商</p><p style="text-indent:25px">惠州市微納科技有限公司是一家EMI加工; 醫(yī)療設(shè)備、5G機殼; 電子配件鍍膜; 車載攝像頭鍍膜; 醫(yī)療器械鍍膜; 鍍晶鍍膜; 電子產(chǎn)品鍍膜; WIFI信號外殼; 筆記本外殼加工鍍膜; 電子觸摸筆; 5G信號盒; 車載攝像頭配件鍍膜; 柜員機控制鍍膜; 可視電話鍍膜; 手機屏蔽鍍膜; 小型化電子設(shè)備防電磁干擾; 手機主機架鍍膜; 小型化計算機; 塑膠表面金屬化鍍膜; 小型化計算機鍍膜;的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、橡塑可信賴的合作伙伴。微納科技擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊，以高度的專注和執(zhí)著為客戶提供[ "濺射鍍膜", "真空鍍膜", "濺射鍍膜", "外殼" ]。公司堅持以技術(shù)創(chuàng)新為發(fā)展引擎，以客戶滿意為動力，目前擁有51~100人專業(yè)人員，年營業(yè)額達(dá)到50-100萬元。微納科技始終關(guān)注橡塑市場，以敏銳的市場洞察力以準(zhǔn)確定位，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/564303.html</p></div></div></div></div></div><div id="is7493j" class="page-right twoColRt"><div id="tncj3md" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lf3ovho" 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" 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