鋁(lv)合(he)(he)金(jin)的(de)(de)陽(yang)極(ji)(ji)氧(yang)(yang)化(hua)(hua)是(shi)把鋁(lv)合(he)(he)金(jin)制(zhi)品(pin)設陽(yang)極(ji)(ji)，放到(dao)盛有電(dian)解(jie)質溶液的(de)(de)池(chi)子里進行通電(dian)處理， 利用(yong)(yong)電(dian)解(jie)作(zuo)用(yong)(yong)使鋁(lv)合(he)(he)金(jin)鑄(zhu)(zhu)件的(de)(de)表(biao)(biao)(biao)面(mian)(mian)形成(cheng)致密氧(yang)(yang)化(hua)(hua)鋁(lv)膜(mo)的(de)(de)過程，。經過陽(yang)極(ji)(ji)氧(yang)(yang)化(hua)(hua)處理，合(he)(he)金(jin)鑄(zhu)(zhu)件表(biao)(biao)(biao)面(mian)(mian)會生成(cheng)一層氧(yang)(yang)化(hua)(hua)膜(mo)，這(zhe)層氧(yang)(yang)化(hua)(hua)膜(mo)比起鋁(lv)合(he)(he)金(jin)的(de)(de)天然氧(yang)(yang)化(hua)(hua)膜(mo)來，它的(de)(de)耐(nai)耐(nai)蝕性、耐(nai)磨(mo)性和裝飾性都有特別明顯的(de)(de)改善和提升。陽(yang)極(ji)(ji)氧(yang)(yang)化(hua)(hua)可(ke)以說是(shi)鋁(lv)合(he)(he)金(jin)鑄(zhu)(zhu)件表(biao)(biao)(biao)面(mian)(mian)處理中較(jiao)為簡單的(de)(de)方(fang)法(fa)，同時它的(de)(de)應用(yong)(yong)也為廣泛，鋁(lv)陽(yang)極(ji)(ji)氧(yang)(yang)化(hua)(hua)，鋁(lv)合(he)(he)金(jin)、鎂合(he)(he)金(jin)、鋅合(he)(he)金(jin)等都可(ke)以使用(yong)(yong)陽(yang)極(ji)(ji)氧(yang)(yang)化(hua)(hua)做表(biao)(biao)(biao)面(mian)(mian)處理。

陽極氧化

鋁件(jian)陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)是一種表(biao)面(mian)處(chu)(chu)理技(ji)術，主要流程(cheng)如下：1.預處(chu)(chu)理：首先(xian)對鋁件(jian)進(jin)行清(qing)(qing)洗，鋁件(jian)陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)，去(qu)(qu)除油污、灰塵等雜(za)質，然(ran)后用(yong)化(hua)(hua)(hua)(hua)(hua)學溶液進(jin)行脫脂和酸(suan)洗，以(yi)確保陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)的附著力(li)。2.電(dian)(dian)(dian)解(jie)槽(cao)準備：配(pei)置含(han)有特定電(dian)(dian)(dian)解(jie)質的溶液，如硫酸(suan)鈉或(huo)(huo)，鋁件(jian)作為(wei)陰極(ji)(ji)(ji)(ji)(ji)，陽(yang)極(ji)(ji)(ji)(ji)(ji)為(wei)陽(yang)極(ji)(ji)(ji)(ji)(ji)棒。3.電(dian)(dian)(dian)化(hua)(hua)(hua)(hua)(hua)學反應：將鋁件(jian)放入電(dian)(dian)(dian)解(jie)槽(cao)中，通(tong)過(guo)(guo)電(dian)(dian)(dian)流作用(yong)，鋁表(biao)面(mian)開始形成(cheng)(cheng)氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)。陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)過(guo)(guo)程(cheng)中，鋁被氧(yang)化(hua)(hua)(hua)(hua)(hua)成(cheng)(cheng)三氧(yang)化(hua)(hua)(hua)(hua)(hua)二(er)鋁（Al2O3）。4.膜(mo)(mo)厚控(kong)制(zhi)：通(tong)過(guo)(guo)調整(zheng)電(dian)(dian)(dian)流密度(du)和電(dian)(dian)(dian)解(jie)時間，控(kong)制(zhi)氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)的厚度(du)，以(yi)滿足不同的使(shi)用(yong)需(xu)求。5.水沖(chong)洗與干燥(zao)：完成(cheng)(cheng)陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)后，用(yong)去(qu)(qu)離(li)子水清(qing)(qing)洗氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)，去(qu)(qu)除多(duo)余(yu)的電(dian)(dian)(dian)解(jie)質，然(ran)后自然(ran)晾干或(huo)(huo)烘干。6.上(shang)色(se)(se)或(huo)(huo)染色(se)(se)處(chu)(chu)理：根據需(xu)要，鋁合金陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)，可對氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)進(jin)行染色(se)(se)或(huo)(huo)上(shang)色(se)(se)，增加美(mei)觀(guan)度(du)和防(fang)護性(xing)(xing)。7.后處(chu)(chu)理：進(jin)行拋(pao)光(guang)、封孔等步驟，提高氧(yang)化(hua)(hua)(hua)(hua)(hua)膜(mo)(mo)的光(guang)澤度(du)和耐(nai)腐(fu)蝕(shi)性(xing)(xing)。整(zheng)個過(guo)(guo)程(cheng)工藝(yi)嚴謹，以(yi)保證鋁件(jian)陽(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)化(hua)(hua)(hua)(hua)(hua)后的表(biao)面(mian)具有良好的耐(nai)腐(fu)蝕(shi)、耐(nai)磨性(xing)(xing)和裝飾性(xing)(xing)。

鋁(lv)合金(jin)(jin)的(de)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)雖然(ran)操作簡單，但是(shi)鋁(lv)合金(jin)(jin)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)本身的(de)分(fen)類卻很復雜，長安陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)，因為(wei)鋁(lv)是(shi)社交(jiao)牛人，跟(gen)誰都(dou)能嘮(lao)一嘮(lao)。陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)按電(dian)流(liu)(liu)型(xing)(xing)式可分(fen)為(wei)直流(liu)(liu)電(dian)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)、交(jiao)流(liu)(liu)電(dian)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)、以及脈(mo)沖電(dian)流(liu)(liu)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)。按電(dian)解液分(fen)為(wei)酸性陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)和堿性陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)：硫酸型(xing)(xing)、草酸型(xing)(xing)、鉻酸型(xing)(xing)、混合酸型(xing)(xing)為(wei)酸性陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)的(de)代(dai)表。而(er)以作為(wei)電(dian)解液的(de)陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)方式則是(shi)堿性陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)的(de)代(dai)表，通(tong)常稱之為(wei)堿洗。按鋁(lv)合金(jin)(jin)鑄件(jian)表面氧(yang)(yang)(yang)(yang)化(hua)膜的(de)性質又可分(fen)為(wei)：普通(tong)膜、厚質膜、瓷質膜、光亮修飾層(ceng)(ceng)、半(ban)導體作用的(de)阻擋層(ceng)(ceng)等陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)。陽(yang)(yang)(yang)(yang)極(ji)(ji)(ji)(ji)(ji)氧(yang)(yang)(yang)(yang)化(hua)