鍍(du)硬(ying)鉻的(de)(de)(de)(de)特(te)(te)(te)征如下：***防(fang)腐性能(neng)(neng)好(hao)**。電(dian)(dian)化學腐蝕(shi)性好(hao)，在有(you)(you)(you)油、水及塵埃(ai)的(de)(de)(de)(de)環境(jing)中(zhong)可(ke)長期保持不銹。且(qie)耐磨(mo)性較高(gao)，表(biao)(biao)面(mian)硬(ying)度(du)也較大提(ti)升，達到800～950HV（相當(dang)于(yu)(yu)HRC42~60）。因此適用(yong)(yong)于(yu)(yu)需要(yao)防(fang)蝕(shi)并承(cheng)受嚴重(zhong)摩(mo)擦的(de)(de)(de)(de)場合(he)。比如一(yi)些大型泵閥和(he)(he)重(zhong)型軸(zhou)承(cheng)的(de)(de)(de)(de)關鍵(jian)零件上(shang)使(shi)(shi)(shi)(shi)用(yong)(yong)較多就是出于(yu)(yu)其特(te)(te)(te)性。此外(wai)由于(yu)(yu)它的(de)(de)(de)(de)高(gao)強(qiang)(qiang)度(du)和(he)(he)高(gao)耐磨(mo)損能(neng)(neng)力而(er)被(bei)廣(guang)泛(fan)用(yong)(yong)于(yu)(yu)制造機器齒輪等傳(chuan)動(dong)部件，從而(er)延(yan)長了(le)機械(xie)的(de)(de)(de)(de)使(shi)(shi)(shi)(shi)用(yong)(yong)壽(shou)命和(he)(he)提(ti)率(lv)。這(zhe)(zhe)些都有(you)(you)(you)助于(yu)(yu)改(gai)進(jin)生產(chan)工藝或(huo)提(ti)高(gao)產(chan)品(pin)質量以(yi)及節約(yue)能(neng)(neng)源(yuan)降低成本的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)；甚至在一(yi)些設備中(zhong)也發(fa)(fa)揮了(le)重(zhong)要(yao)作用(yong)(yong)..*.*二保焊電(dian)(dian)源(yuan)一(yi)般用(yong)(yong)3o一(yi)7O千伏安(an)(an)，電(dian)(dian)流(liu)1ooo到__2ooOw之間選擇(根據(ju)工件大小而(er)定)。采用(yong)(yong)交(jiao)流(liu)脈沖實為節鎳劑之特(te)(te)(te)點。(含鎢)熔點高(gao)的(de)(de)(de)(de)合(he)金鋼應(ying)選用(yong)(yong)較高(gao)的(de)(de)(de)(de)焊接(jie)功率(lv)以(yi)便(bian)(bian)獲(huo)得接(jie)頭(tou).。而(er)這(zhe)(zhe)種金屬材料(liao)對(dui)酸堿鹽類幾乎都具有(you)(you)(you)較強(qiang)(qiang)的(de)(de)(de)(de)抵抗能(neng)(neng)力這(zhe)(zhe)點也是其他涂層無法(fa)比擬的(de)(de)(de)(de)特(te)(te)(te)點之一(yi).*在裝飾(shi)性和(he)(he)防(fang)護性的(de)(de)(de)(de)基礎上(shang)還(huan)可(ke)以(yi)改(gai)善導(dao)熱系數(shu)減小溫度(du)變形(xing)提(ti)高(gao)了(le)表(biao)(biao)面(mian)的(de)(de)(de)(de)抗高(gao)溫氧化能(neng)(neng)力和(he)(he)陰極剝離傾向有(you)(you)(you)利于(yu)(yu)產(chan)品(pin)的(de)(de)(de)(de)安(an)(an)全運行同時操作簡便(bian)(bian)節省能(neng)(neng)耗(hao)與資源(yuan)。。》》。另外(wai)還(huan)有(you)(you)(you)沉積速率(lv)可(ke)以(yi)通過調節外(wai)特(te)(te)(te)性和(he)(he)負載效(xiao)應(ying)來控制得到優化等等諸多優點使(shi)(shi)(shi)(shi)得該技術被(bei)廣(guang)泛(fan)應(ying)用(yong)(yong)于(yu)(yu)各種機械(xie)設備或(huo)者電(dian)(dian)器產(chan)品(pin)當(dang)中(zhong)以(yi)提(ti)高(gao)它們的(de)(de)(de)(de)外(wai)觀(guan)和(he)(he)使(shi)(shi)(shi)(shi)用(yong)(yong)年限。總的(de)(de)(de)(de)來說(shuo)，鍍(du)硬(ying)鉻具有(you)(you)(you)優良的(de)(de)(de)(de)性能(neng)(neng)和(he)(he)應(ying)用(yong)(yong)范(fan)圍廣(guang)等特(te)(te)(te)點受到了(le)廣(guang)泛(fan)的(de)(de)(de)(de)關注(zhu)和(he)(he)發(fa)(fa)展迅速前景廣(guang)闊！

電(dian)鍍(du)亮鎳是(shi)一種(zhong)通過(guo)電(dian)解方式在(zai)工(gong)件表面形成(cheng)一層(ceng)(ceng)金屬(shu)(shu)鎳的(de)(de)(de)過(guo)程。它具有高光(guang)澤度、耐磨(mo)性，以(yi)及較好的(de)(de)(de)耐腐(fu)蝕(shi)性能(neng)等優點，廣泛用(yong)(yong)于裝飾品(pin)和工(gong)業(ye)產(chan)(chan)品(pin)的(de)(de)(de)外(wai)觀(guan)處理上。其主要(yao)應用(yong)(yong)包括但不限(xian)于：修復(fu)磨(mo)損的(de)(de)(de)部位(wei)、提高材料(liao)的(de)(de)(de)使用(yong)(yong)安全性，如對食品(pin)與包裝行(xing)(xing)業(ye)中(zhong)的(de)(de)(de)鋁及其合(he)金進行(xing)(xing)鈍(dun)化(hua)(hua)及染色(se)；改善(shan)基體金屬(shu)(shu)的(de)(de)(de)顏(yan)色(se)；制作(zuo)仿金效果，以(yi)減少產(chan)(chan)品(pin)對人體有害的(de)(de)(de)可能(neng)性（比如用(yong)(yong)在(zai)首飾行(xing)(xing)業(ye)中(zhong)）；增(zeng)強涂層(ceng)(ceng)的(de)(de)(de)附著力和光(guang)滑度等等。然而其也存(cun)在(zai)缺點：在(zai)進行(xing)(xing)多層(ceng)(ceng)電(dian)鍍(du)時可能(neng)會產(chan)(chan)生彩虹(hong)效應;對環境有輕微污染;需要(yao)定期更換電(dian)極刷或者清洗槽。此外(wai)，電(dian)鍍(du)亮鎳的(de)(de)(de)質(zhi)(zhi)量控制主要(yao)包括溶液溫度的(de)(de)(de)控制，這直接影響到終產(chan)(chan)品(pin)質(zhi)(zhi)量的(de)(de)(de)高低(di).可以(yi)通過(guo)加(jia)入光(guang)劑(ji)或來(lai)保持(chi)色(se)調的(de)(de)(de)一致.隨(sui)著環保意識的(de)(de)(de)加(jia)強和國家法規的(de)(de)(de)健全，無鉻(或低(di)鉻)替代傳統三價鉻鈍(dun)化(hua)(hua)的(de)(de)(de)研究(jiu)與應用(yong)(yong)將逐步興起并得到迅(xun)速發展(zhan)是(shi)未(wei)來(lai)發展(zhan)的(de)(de)(de)趨勢。總的(de)(de)(de)來(lai)說(shuo)，要(yao)想獲得高質(zhi)(zhi)量的(de)(de)(de)產(chan)(chan)品(pin)需要(yao)做(zuo)好前期的(de)(de)(de)各(ge)項準備工(gong)作(zuo)(如活化(hua)(hua)工(gong)件)以(yi)及后期及時妥善(shan)的(de)(de)(de)處理是(shi)關鍵所在(zai).。

鐵(tie)件在(zai)進(jin)行(xing)電(dian)(dian)(dian)(dian)鍍(du)(du)前需(xu)(xu)要(yao)(yao)(yao)先去除(chu)表面的(de)油(you)污、氧(yang)化皮等雜質，唐(tang)山鋁(lv)鍍(du)(du)銅(tong)(tong)(tong)，否則會影(ying)響電(dian)(dian)(dian)(dian)鍍(du)(du)效果。在(zai)清洗(xi)過(guo)程(cheng)中(zhong)(zhong)要(yao)(yao)(yao)避(bi)免使(shi)用(yong)酸性(xing)清潔劑(ji)，鋁(lv)鍍(du)(du)銅(tong)(tong)(tong)工藝，以(yi)免腐(fu)蝕鐵(tie)件。鐵(tie)件進(jin)行(xing)電(dian)(dian)(dian)(dian)鍍(du)(du)時(shi)，需(xu)(xu)要(yao)(yao)(yao)選用(yong)合適的(de)電(dian)(dian)(dian)(dian)源和(he)電(dian)(dian)(dian)(dian)鍍(du)(du)液(ye)，并且要(yao)(yao)(yao)注意(yi)(yi)控制(zhi)電(dian)(dian)(dian)(dian)流(liu)大小(xiao)和(he)電(dian)(dian)(dian)(dian)鍍(du)(du)時(shi)間(jian)，以(yi)確保鍍(du)(du)層(ceng)的(de)質量和(he)厚度。在(zai)電(dian)(dian)(dian)(dian)鍍(du)(du)過(guo)程(cheng)中(zhong)(zhong)需(xu)(xu)要(yao)(yao)(yao)注意(yi)(yi)防止鐵(tie)件產生氧(yang)化現(xian)象，鋁(lv)鍍(du)(du)銅(tong)(tong)(tong)廠(chang)家，可(ke)以(yi)通(tong)過(guo)添(tian)加劑(ji)或者(zhe)調整(zheng)電(dian)(dian)(dian)(dian)鍍(du)(du)液(ye)中(zhong)(zhong)的(de)成分來(lai)防止氧(yang)化。，鋁(lv)鍍(du)(du)銅(tong)(tong)(tong)廠(chang)，電(dian)(dian)(dian)(dian)鍍(du)(du)完成后需(xu)(xu)要(yao)(yao)(yao)對鐵(tie)件進(jin)行(xing)烘干(gan)處理(li)，以(yi)消除(chu)水(shui)分并使(shi)鍍(du)(du)層(ceng)更加光滑。在(zai)整(zheng)個操作過(guo)程(cheng)中(zhong)(zhong)需(xu)(xu)要(yao)(yao)(yao)注意(yi)(yi)安全問題，避(bi)免觸(chu)電(dian)(dian)(dian)(dian)、等意(yi)(yi)外(wai)情況的(de)發(fa)生，同時(shi)也需(xu)(xu)要(yao)(yao)(yao)注意(yi)(yi)環保問題，妥善處理(li)電(dian)(dian)(dian)(dian)鍍(du)(du)廢(fei)液(ye)和(he)廢(fei)水(shui)。