提(Ti)出(Chu)钝(Dun)化(Hua)膜(Mo)理(Li)论(Lun)的(De)专(Zhuan)业(Ye)人(Ren)士(Shi)认(Ren)为(Wei),(?)金(Jin)属(Shu)在(Zai)化(Hua)学(Xue)抛(Pao)光(Guang)液(Ye)中(Zhong)的(De)溶(Rong)解(Jie)(腐(Fu)蚀(Shi))可(Ke)作(Zuo)为(Wei)电(Dian)化(Hua)学(Xue)过(Guo)程(Cheng)来(Lai)看(Kan),(?)由(You)于(Yu)金(Jin)属(Shu)表(Biao)面(Mian)各(Ge)部(Bu)分(Fen)的(De)物(Wu)理(Li)和(He)电(Dian)化(Hua)学(Xue)性(Xing)质(Zhi)的(De)不(Bu)均(Jun)一(Yi)性(Xing),(?)使(Shi)得(De)金(Jin)属(Shu)表(Biao)面(Mian)上(Shang)有(You)许(Xu)多(Duo)电(Dian)位(Wei)不(Bu)相(Xiang)同(Tong)的(De)部(Bu)分(Fen),(?)即(Ji)金(Jin)属(Shu)表(Biao)面(Mian)存(Cun)在(Zai)着(Zhuo)微(Wei)观(Guan)凸(Tu)凹(Ao)不(Bu)平(Ping)和(He)或(Huo)多(Duo)或(Huo)少(Shao)的(De)其(Qi)他(Ta)元(Yuan)素(Su)和(He)杂(Za)质(Zhi),(?)使(Shi)金(Jin)属(Shu)表(Biao)面(Mian)发(Fa)生(Sheng)局(Ju)部(Bu)电(Dian)位(Wei)的(De)高(Gao)低(Di)不(Bu)平(Ping),(?)电(Dian)位(Wei)正(Zheng)的(De)部(Bu)分(Fen)会(Hui)发(Fa)生(Sheng)还(Huan)原(Yuan)反(Fan)应(Ying),(?)电(Dian)位(Wei)负(Fu)的(De)部(Bu)分(Fen)发(Fa)生(Sheng)氧(Yang)化(Hua)反(Fan)应(Ying),(?)即(Ji)形(Xing)成(Cheng)了(Liao)瞬(Shun)时(Shi)闭(Bi)合(He)原(Yuan)电(Dian)池(Chi),(?)产(Chan)生(Sheng)腐(Fu)蚀(Shi)电(Dian)流(Liu),(?)当(Dang)腐(Fu)蚀(Shi)电(Dian)流(Liu)密(Mi)度(Du)达(Da)到(Dao)相(Xiang)当(Dang)高(Gao)时(Shi),(?)就(Jiu)有(You)可(Ke)能(Neng)在(Zai)金(Jin)属(Shu)表(Biao)面(Mian)上(Shang)形(Xing)成(Cheng)钝(Dun)化(Hua)膜(Mo),(?)这(Zhe)种(Zhong)由(You)腐(Fu)蚀(Shi)到(Dao)钝(Dun)化(Hua)的(De)过(Guo)程(Cheng)与(Yu)电(Dian)抛(Pao)光(Guang)时(Shi)的(De)电(Dian)流(Liu)原(Yuan)电(Dian)位(Wei)曲(Qu)线(Xian)十(Shi)分(Fen)相(Xiang)似(Si)(见(Jian)图(Tu),(?)曲(Qu)线(Xian)的(De)段(Duan)为(Wei)腐(Fu)蚀(Shi)过(Guo)程(Cheng),(?)月(Yue)兑(Dui)段(Duan)为(Wei)钝(Dun)化(Hua)膜(Mo)的(De)形(Xing)成(Cheng)过(Guo)程(Cheng),(?)月(Yue)段(Duan)为(Wei)在(Zai)已(Yi)形(Xing)成(Cheng)的(De)钝(Dun)化(Hua)膜(Mo)内(Nei)发(Fa)生(Sheng)的(De)抛(Pao)光(Guang)过(Guo)程(Cheng),(?)在(Zai)钝(Dun)化(Hua)膜(Mo)内(Nei)微(Wei)观(Guan)凸(Tu)起(Qi)部(Bu),(?)由(You)于(Yu)反(Fan)应(Ying)活(Huo)性(Xing)高(Gao)而(?)被(Bei)***先(Xian)溶(Rong)解(Jie),(?)此(Ci)一(Yi)过(Guo)程(Cheng)反(Fan)复(Fu)进(Jin)行(Xing)即(Ji)可(Ke)得(De)到(Dao)光(Guang)亮(Liang)的(De)金(Jin)属(Shu)表(Biao)面(Mian)。(?)
国(Guo)内(Nei)专(Zhuan)业(Ye)人(Ren)士(Shi)曾(Zeng)发(Fa)现(Xian)在(Zai)化(Hua)学(Xue)抛(Pao)光(Guang)时(Shi),(?)被(Bei)抛(Pao)光(Guang)的(De)金(Jin)属(Shu)表(Biao)面(Mian)上(Shang)有(You)肉(Rou)眼(Yan)看(Kan)不(Bu)到(Dao)的(De)氧(Yang)化(Hua)物(Wu)形(Xing)成(Cheng),(?)而(?)且(Qie)抛(Pao)光(Guang)时(Shi)阳(Yang)极(Ji)的(De)温(Wen)度(Du)和(He)电(Dian)位(Wei)都(Du)会(Hui)急(Ji)剧(Ju)上(Shang)升(Sheng),(?)抛(Pao)光(Guang)面(Mian)的(De)耐(Nai)蚀(Shi)性(Xing)比(Bi)未(Wei)抛(Pao)光(Guang)的(De)面(Mian)有(You)所(Suo)提(Ti)高(Gao)。(?)这(Zhe)些(Xie)均(Jun)表(Biao)明(Ming)抛(Pao)光(Guang)时(Shi)抛(Pao)光(Guang)面(Mian)的(De)确(Que)易(Yi)形(Xing)成(Cheng)固(Gu)相(Xiang)的(De)钝(Dun)化(Hua)膜(Mo)。(?)
方(Fang)景(Jing)礼(Li)等(Deng)开(Kai)发(Fa)的(De)黄(Huang)铜(Tong)在(Zai)混(Hun)合(He)液(Ye)中(Zhong)的(De)两(Liang)步(Bu)抛(Pao)光(Guang)法(Fa),(?)**步(Bu)先(Xian)在(Zai)高(Gao)浓(Nong)度(Du)低(Di)浓(Nong)度(Du)的(De)溶(Rong)液(Ye)中(Zhong)进(Jin)行(Xing)氧(Yang)化(Hua)处(Chu)理(Li),(?)使(Shi)黄(Huang)铜(Tong)表(Biao)面(Mian)形(Xing)成(Cheng)一(Yi)层(Ceng)棕(Zong)色(Se)氧(Yang)化(Hua)膜(Mo),(?)然(Ran)后(Hou)在(Zai)低(Di)浓(Nong)度(Du)液(Ye)中(Zhong)退(Tui)去(Qu)氧(Yang)化(Hua)膜(Mo),(?)即(Ji)可(Ke)获(Huo)得(De)十(Shi)分(Fen)光(Guang)亮(Liang)的(De)抛(Pao)光(Guang)表(Biao)面(Mian)。(?)黄(Huang)铜(Tong)在(Zai)**步(Bu)溶(Rong)液(Ye)中(Zhong)氧(Yang)化(Hua)的(De)时(Shi)间(Jian)越(Yue)长(Chang),(?)氧(Yang)化(Hua)膜(Mo)的(De)颜(Yan)色(Se)越(Yue)深(Shen),(?)氧(Yang)化(Hua)膜(Mo)的(De)厚(Hou)度(Du)越(Yue)厚(Hou),(?)所(Suo)得(De)抛(Pao)光(Guang)面(Mian)的(De)光(Guang)亮(Liang)度(Du)越(Yue)高(Gao)。(?)这(Zhe)表(Biao)明(Ming),(?)铜(Tong)在(Zai)遭(Zao)受(Shou)氧(Yang)化(Hua)处(Chu)理(Li)时(Shi)会(Hui)形(Xing)成(Cheng)氧(Yang)化(Hua)物(Wu)型(Xing)固(Gu)体(Ti)膜(Mo)或(Huo)钝(Dun)化(Hua)膜(Mo),(?)此(Ci)时(Shi)金(Jin)属(Shu)的(De)溶(Rong)解(Jie)是(Shi)在(Zai)紧(Jin)密(Mi)的(De)氧(Yang)化(Hua)膜(Mo)内(Nei)进(Jin)行(Xing)的(De),(?)使(Shi)表(Biao)面(Mian)的(De)各(Ge)个(Ge)部(Bu)分(Fen)均(Jun)发(Fa)生(Sheng)微(Wei)观(Guan)整(Zheng)平(Ping),(?)这(Zhe)种(Zhong)表(Biao)面(Mian)的(De)微(Wei)观(Guan)整(Zheng)平(Ping)的(De)***终(Zhong)结(Jie)果(Guo),(?)就(Jiu)使(Shi)金(Jin)属(Shu)表(Biao)面(Mian)变(Bian)得(De)光(Guang)亮(Liang)。(?)