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陽極氧化的產品介紹
發布時間:[2018-09-19 10:22:05]
鋁(lv)(lv)(lv)的(de)陽極氧(yang)(yang)(yang)化(hua)(hua)是一(yi)種(zhong)電解氧(yang)(yang)(yang)化(hua)(hua)過程,在該過程中,鋁(lv)(lv)(lv)和鋁(lv)(lv)(lv)合金的(de)表面(mian)通(tong)常轉化(hua)(hua)為一(yi)層氧(yang)(yang)(yang)化(hua)(hua)膜(mo),這(zhe)層氧(yang)(yang)(yang)化(hua)(hua)膜(mo)具有保護性、裝飾性以及一(yi)些其(qi)他的(de)功能特性。從這(zhe)個定義(yi)出發的(de)鋁(lv)(lv)(lv)的(de)陽極氧(yang)(yang)(yang)化(hua)(hua),只包括(kuo)生成陽極氧(yang)(yang)(yang)化(hua)(hua)膜(mo)這(zhe)一(yi)部分工藝過程。
將金(jin)(jin)(jin)屬(shu)或(huo)(huo)合(he)(he)金(jin)(jin)(jin)的(de)(de)(de)制(zhi)件作(zuo)為陽(yang)(yang)極,采用(yong)電(dian)(dian)(dian)(dian)解(jie)的(de)(de)(de)方法使其(qi)(qi)表面(mian)(mian)形成(cheng)(cheng)氧(yang)(yang)化(hua)(hua)物(wu)薄(bo)(bo)膜(mo)。金(jin)(jin)(jin)屬(shu)氧(yang)(yang)化(hua)(hua)物(wu)薄(bo)(bo)膜(mo)改變了(le)表面(mian)(mian)狀態(tai)和(he)(he)性能(neng),如(ru)表面(mian)(mian)著色,提(ti)(ti)高(gao)耐(nai)(nai)腐(fu)(fu)蝕(shi)性、增強(qiang)耐(nai)(nai)磨(mo)性及硬(ying)(ying)度,保護金(jin)(jin)(jin)屬(shu)表面(mian)(mian)等(deng)。例如(ru)鋁(lv)(lv)(lv)陽(yang)(yang)極氧(yang)(yang)化(hua)(hua),將鋁(lv)(lv)(lv)及其(qi)(qi)合(he)(he)金(jin)(jin)(jin)置(zhi)于相應電(dian)(dian)(dian)(dian)解(jie)液(ye)(如(ru)硫酸、鉻酸、草酸等(deng))中作(zuo)為陽(yang)(yang)極,在(zai)特定條件和(he)(he)外加(jia)電(dian)(dian)(dian)(dian)流作(zuo)用(yong)下,進(jin)行(xing)電(dian)(dian)(dian)(dian)解(jie)。陽(yang)(yang)極的(de)(de)(de)鋁(lv)(lv)(lv)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin)氧(yang)(yang)化(hua)(hua) ,表面(mian)(mian)上(shang)形成(cheng)(cheng)氧(yang)(yang)化(hua)(hua)鋁(lv)(lv)(lv)薄(bo)(bo)層(ceng) ,其(qi)(qi)厚(hou)度為5~30微(wei)(wei)(wei)米(mi) ,硬(ying)(ying)質陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)膜(mo)可(ke)(ke)達(da)25~150微(wei)(wei)(wei)米(mi) 。陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)后的(de)(de)(de)鋁(lv)(lv)(lv)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin),提(ti)(ti)高(gao)了(le)其(qi)(qi)硬(ying)(ying)度和(he)(he)耐(nai)(nai)磨(mo)性,可(ke)(ke)達(da)250~500千(qian)克/平方毫米(mi),良好的(de)(de)(de)耐(nai)(nai)熱性 ,硬(ying)(ying)質陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)膜(mo)熔點高(gao)達(da)2320K ,優良的(de)(de)(de)絕緣性 ,耐(nai)(nai)擊穿電(dian)(dian)(dian)(dian)壓高(gao)達(da)2000V ,增強(qiang)了(le)抗腐(fu)(fu)蝕(shi)性能(neng) ,在(zai)ω=0.03NaCl鹽霧(wu)中經幾千(qian)小(xiao)時(shi)不腐(fu)(fu)蝕(shi)。氧(yang)(yang)化(hua)(hua)膜(mo)薄(bo)(bo)層(ceng)中具有大量的(de)(de)(de)微(wei)(wei)(wei)孔(kong),可(ke)(ke)吸附各(ge)種潤滑劑,適合(he)(he)制(zhi)造發動機(ji)氣缸或(huo)(huo)其(qi)(qi)他耐(nai)(nai)磨(mo)零件;膜(mo)微(wei)(wei)(wei)孔(kong)吸附能(neng)力強(qiang)可(ke)(ke)著色成(cheng)(cheng)各(ge)種美觀(guan)艷麗的(de)(de)(de)色彩(cai)。有色金(jin)(jin)(jin)屬(shu)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin)(如(ru)鋁(lv)(lv)(lv)、鎂及其(qi)(qi)合(he)(he)金(jin)(jin)(jin)等(deng))都可(ke)(ke)進(jin)行(xing)陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)處理,這(zhe)種方法廣泛用(yong)于機(ji)械零件,飛機(ji)汽(qi)車(che)部件,精密儀器及無線電(dian)(dian)(dian)(dian)器材(cai),日用(yong)品和(he)(he)建筑裝飾(shi)等(deng)方面(mian)(mian)。
將金(jin)(jin)(jin)屬(shu)或(huo)(huo)合(he)(he)金(jin)(jin)(jin)的(de)(de)(de)制(zhi)件作(zuo)為陽(yang)(yang)極,采用(yong)電(dian)(dian)(dian)(dian)解(jie)的(de)(de)(de)方法使其(qi)(qi)表面(mian)(mian)形成(cheng)(cheng)氧(yang)(yang)化(hua)(hua)物(wu)薄(bo)(bo)膜(mo)。金(jin)(jin)(jin)屬(shu)氧(yang)(yang)化(hua)(hua)物(wu)薄(bo)(bo)膜(mo)改變了(le)表面(mian)(mian)狀態(tai)和(he)(he)性能(neng),如(ru)表面(mian)(mian)著色,提(ti)(ti)高(gao)耐(nai)(nai)腐(fu)(fu)蝕(shi)性、增強(qiang)耐(nai)(nai)磨(mo)性及硬(ying)(ying)度,保護金(jin)(jin)(jin)屬(shu)表面(mian)(mian)等(deng)。例如(ru)鋁(lv)(lv)(lv)陽(yang)(yang)極氧(yang)(yang)化(hua)(hua),將鋁(lv)(lv)(lv)及其(qi)(qi)合(he)(he)金(jin)(jin)(jin)置(zhi)于相應電(dian)(dian)(dian)(dian)解(jie)液(ye)(如(ru)硫酸、鉻酸、草酸等(deng))中作(zuo)為陽(yang)(yang)極,在(zai)特定條件和(he)(he)外加(jia)電(dian)(dian)(dian)(dian)流作(zuo)用(yong)下,進(jin)行(xing)電(dian)(dian)(dian)(dian)解(jie)。陽(yang)(yang)極的(de)(de)(de)鋁(lv)(lv)(lv)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin)氧(yang)(yang)化(hua)(hua) ,表面(mian)(mian)上(shang)形成(cheng)(cheng)氧(yang)(yang)化(hua)(hua)鋁(lv)(lv)(lv)薄(bo)(bo)層(ceng) ,其(qi)(qi)厚(hou)度為5~30微(wei)(wei)(wei)米(mi) ,硬(ying)(ying)質陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)膜(mo)可(ke)(ke)達(da)25~150微(wei)(wei)(wei)米(mi) 。陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)后的(de)(de)(de)鋁(lv)(lv)(lv)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin),提(ti)(ti)高(gao)了(le)其(qi)(qi)硬(ying)(ying)度和(he)(he)耐(nai)(nai)磨(mo)性,可(ke)(ke)達(da)250~500千(qian)克/平方毫米(mi),良好的(de)(de)(de)耐(nai)(nai)熱性 ,硬(ying)(ying)質陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)膜(mo)熔點高(gao)達(da)2320K ,優良的(de)(de)(de)絕緣性 ,耐(nai)(nai)擊穿電(dian)(dian)(dian)(dian)壓高(gao)達(da)2000V ,增強(qiang)了(le)抗腐(fu)(fu)蝕(shi)性能(neng) ,在(zai)ω=0.03NaCl鹽霧(wu)中經幾千(qian)小(xiao)時(shi)不腐(fu)(fu)蝕(shi)。氧(yang)(yang)化(hua)(hua)膜(mo)薄(bo)(bo)層(ceng)中具有大量的(de)(de)(de)微(wei)(wei)(wei)孔(kong),可(ke)(ke)吸附各(ge)種潤滑劑,適合(he)(he)制(zhi)造發動機(ji)氣缸或(huo)(huo)其(qi)(qi)他耐(nai)(nai)磨(mo)零件;膜(mo)微(wei)(wei)(wei)孔(kong)吸附能(neng)力強(qiang)可(ke)(ke)著色成(cheng)(cheng)各(ge)種美觀(guan)艷麗的(de)(de)(de)色彩(cai)。有色金(jin)(jin)(jin)屬(shu)或(huo)(huo)其(qi)(qi)合(he)(he)金(jin)(jin)(jin)(如(ru)鋁(lv)(lv)(lv)、鎂及其(qi)(qi)合(he)(he)金(jin)(jin)(jin)等(deng))都可(ke)(ke)進(jin)行(xing)陽(yang)(yang)極氧(yang)(yang)化(hua)(hua)處理,這(zhe)種方法廣泛用(yong)于機(ji)械零件,飛機(ji)汽(qi)車(che)部件,精密儀器及無線電(dian)(dian)(dian)(dian)器材(cai),日用(yong)品和(he)(he)建筑裝飾(shi)等(deng)方面(mian)(mian)。
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