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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鋅鎳合金專(zhuān)業(yè)生產(chǎn),電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-06 12:20:31</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pfb3xht" 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(xiāo)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(huà): </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(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="p2q3g8w" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t3ebyf3" class="box"><p><p style="text-indent:25px">電鍍鋅鎳合金具有一下優(yōu)勢(shì)：1.優(yōu)異的耐腐蝕性。同樣厚度時(shí)，鋅鎳合金層耐腐蝕性為純鋅鍍層的4-8倍，鍍層本身對(duì)鋼鐵基體為陽(yáng)極性鍍層，可提供有效的陰極保護(hù)作用。2.厚度保持在螺紋公差范圍內(nèi)5～15μm的厚度，鋅鎳合金專(zhuān)業(yè)生產(chǎn)，可獲得較長(zhǎng)時(shí)間的耐蝕性。顯示涂層本身具有非常低的腐蝕速率，鋅鎳合金專(zhuān)業(yè)生產(chǎn)。3.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。4.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(wú)變化。5，鋅鎳合金專(zhuān)業(yè)生產(chǎn).可加工性與電鍍純鋅層相當(dāng)。鍍層經(jīng)變形加工后，仍具有優(yōu)于純鋅鍍層的耐蝕性。6.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。7.鋅鎳合金鍍層的硬度比純鋅高，因而具有更好的耐磨性。8.工藝操作簡(jiǎn)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。電鍍鋅所涉及的領(lǐng)域越來(lái)越普遍。鋅鎳合金專(zhuān)業(yè)生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋅鎳合金專(zhuān)業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png"></div><p style="text-indent:25px">電鍍鋅鎳合金鍍層基本是無(wú)氫脆,又具有優(yōu)異耐蝕性,因而成為了鋼鐵緊固件合適的防護(hù)層。通過(guò)電鍍鋅鎳合金工藝的試驗(yàn),著重對(duì)于鋅鎳合金鍍層的外觀(guān)及厚度、鎳含量、結(jié)合強(qiáng)度、耐蝕性、油漆匹配性進(jìn)行分析研究。結(jié)果表明:電鍍鋅鎳合金是種適合鋼鐵緊固件的可靠的、綜合性?xún)r(jià)比較高防護(hù)層。目前,鋼鐵緊固件防腐蝕表面處理應(yīng)用較多的是鍍鋅。一般的室內(nèi)緊固件考慮裝飾性為主,大多是以電鍍鋅為開(kāi)始表面的處理方法;戶(hù)外緊固件是以防腐蝕為主,除了選用電鍍鋅外,也有選擇的熱鍍鋅為表面防護(hù)層(主要M10以上的緊固件)。鋅鎳合金專(zhuān)業(yè)生產(chǎn)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="鋅鎳合金專(zhuān)業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476771845703/8505200.png"></div><p style="text-indent:25px">電鍍鋅要明確使用的鍍鋅工藝是掛鍍還是滾鍍。鍍鋅發(fā)展到現(xiàn)在已經(jīng)是一個(gè)很成熟的工藝了，酸性鍍鋅，堿性鍍鋅(有氰和無(wú)氰)都已經(jīng)有很多產(chǎn)品(光亮劑,走位劑,鈍化劑等等)可以選用了，根據(jù)所需要電鍍的工件來(lái)選擇工藝。電鍍鋅要注意電鍍的工藝流程跟所有表面處理的工藝一樣,鍍鋅工藝流程也是可以分為前處理,電鍍,后處理,這三個(gè)步驟都要值得重視。前處理是為了獲得清潔干凈的金屬表面,使鋅能夠順利有效的沉積在基體金屬之上,鋅鍍層的厚度從零點(diǎn)幾個(gè)微米到幾十微米都有.無(wú)論要獲得怎樣的厚度,都需要鍍層和基體金屬的良好結(jié)合。前處理其實(shí)也不外乎用酸堿或者表面活性劑或者電解或者超聲波。一般都需要幾個(gè)工序結(jié)合起來(lái)才能將工件表面處理干凈.干凈的表面對(duì)于電鍍來(lái)說(shuō)是很關(guān)鍵的。</p><p style="text-indent:25px">我國(guó)酸性鍍鋅占電鍍鋅總量的50%以上，堿性鍍鋅約占40%左右，而酸性鋅鎳合金電鍍雖未見(jiàn)全國(guó)統(tǒng)計(jì)數(shù)據(jù)但據(jù)筆者估計(jì)不會(huì)超過(guò)10%。酸性鋅鎳合金電鍍所占比例如此之低的原因就在于大量本應(yīng)采用酸性鋅鎳合金電鍍的工件目前普遍采用了堿性鋅鎳合金電鍍工藝。*據(jù)煤礦單體液壓支柱為例，全國(guó)使用量超過(guò)100萬(wàn)支，無(wú)數(shù)專(zhuān)一為此電鍍加工的單位普遍采用堿性鋅鎳合金電鍍工藝而不是酸性鋅鎳合金電鍍工藝。根據(jù)筆者對(duì)這兩種工藝的研發(fā)與生產(chǎn)實(shí)踐，這類(lèi)加工件在鍍層鎳含量相同、鍍層厚度相同、耐蝕性相似的情況下，采用酸性鋅鎳合金電鍍工藝其生產(chǎn)成本可降低50%左右，產(chǎn)量可提高2倍以上。對(duì)造成我國(guó)近年鋅鎳合金電鍍兩種工藝不合常理的發(fā)展?fàn)顩r的原因進(jìn)行探討，但*預(yù)測(cè)這種狀況將在數(shù)年后會(huì)得到改變，酸性鋅鎳合金電鍍工藝將逐步上升至它所應(yīng)占的比例。電鍍鋅鎳合金的工藝不需增加特殊的裝備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鋅鎳合金專(zhuān)業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png"></div><p style="text-indent:25px">電鍍鋅鎳合金鋅鎳合金:用于熱鍍鋼件時(shí)配鍍鋅液或電鍍鋼件時(shí) 做可溶性合金陽(yáng)極的鋅合金 . 鋅鎳合金電鍍工藝主要有:酸性和堿性?xún)煞N體系。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(duì)鍍層中鎳含量有影響。**報(bào)道堿性鋅鎳合金光亮劑由三類(lèi)組成：第1類(lèi)為有機(jī)胺與環(huán)氧氯丙烷的縮合物，單獨(dú)使用，可使鍍層結(jié)晶細(xì)致，呈半光亮狀態(tài)；第二類(lèi)為有機(jī)醛，如香草醛等，主要起光亮作用；第三類(lèi)為碲酸鈉等無(wú)機(jī)鹽，可使較低電流密度部分共沉積鎳含量提高。電鍍鋅鎳合金主要用作鋼鐵材料的耐蝕防護(hù)！集成閥塊鍍鋅鎳合金哪家好</p><p style="text-indent:25px">電鍍鋅在自然散射光照射或者2支40 瓦日光燈照射下500mm 處，若檢查出的問(wèn)題,即為質(zhì)量問(wèn)題。鋅鎳合金專(zhuān)業(yè)生產(chǎn)</p><p style="text-indent:25px">為什么電鍍鋅鎳合金的結(jié)合力比鍍鋅的高？因鋅鎳合金耐蝕性是鍍鋅的7-10倍，因此對(duì)基材的保護(hù)性能更好，直觀(guān)上看就是結(jié)合的更致密牢固?？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。電鍍鋅，行業(yè)內(nèi)又稱(chēng)冷鍍鋅，就是利用電解，在制件表面形成均勻、致密、結(jié)合良好的金屬或合金沉積層的過(guò)程。與其他金屬相比，鋅是相對(duì)便宜而又易鍍覆的一種金屬，屬低值防蝕電鍍層，被普遍用于保護(hù)鋼鐵件，特別是防止大氣腐蝕，并用于裝飾。鍍覆技術(shù)包括槽鍍（或掛鍍）、滾鍍（適合小零件）、藍(lán)鍍、自動(dòng)鍍和連續(xù)鍍（適合線(xiàn)材、帶材）。鋅鎳合金專(zhuān)業(yè)生產(chǎn)</p></p><br /><p>文章來(lái)源地址: 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