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金属学报  1987, Vol. 23 Issue (2): 223-229    
  论文 本期目录 | 过刊浏览 |
Al-Mg(Cu)合金钝化膜的XPS深度剖析
王当憨;刘世宏;郭宝兰;朱墨娴;李获
中国科学院化学研究所;中国科学院化学研究所;北京航空学院;北京航空学院;北京航空学院
ANALYSIS OF PASSIVE FILMS OF Al ALLOYS BY XPS DEPTH PROFILE
WANG Danghan; LIU Shihong (Institute of Chemisatry; Academia Sinica; Beijing); GUO Baolan; ZHU Moxian; LI Di (Beijing Institute of Aeronautics and Astronautics)(Manuscript received 4 January; 1985; revised manuscript 10 October; 1985)
引用本文:

王当憨;刘世宏;郭宝兰;朱墨娴;李获. Al-Mg(Cu)合金钝化膜的XPS深度剖析[J]. 金属学报, 1987, 23(2): 223-229.
, , , , . ANALYSIS OF PASSIVE FILMS OF Al ALLOYS BY XPS DEPTH PROFILE[J]. Acta Metall Sin, 1987, 23(2): 223-229.

全文: PDF(518 KB)  
摘要: 本文对一种Al-Mg合金和二种Al-Cu合金的钝化膜进行了深度剖析.结果表明,在三种合金的K_2Cr_O_7钝化膜中,除主要成分Al_2O_3外,还有一定量的Cr_2O_3存于钝化膜中。从而明确地回答了在K_2Cr_2O_7钝化膜中是否有Cr_2O_3,这一长期有争议的问题。在三种合金的8108钝化膜中,除Al_2O_3外,还首先观察到有一定量的金属氮化物和金属络合物.此外,在两种Al-Cu合金的K_2Cr_2O_7和8108钝化膜表面,均未捕获到Cu的信息,Cu被钝化膜覆盖.但有趣的是,两种合金中含量甚低的Mg,由于其氧化迁移富集,结果在两种钝化膜的表面,均给出清晰的Mg原子信息.
Abstract:An XPS depth profile analysis was made of the passive films on one Al-Mg alloy and two Al-Cu alloys. It was clarified that in the K_2Cr_2O_7 treated passive films on these alloys, a certain amount of Cr_2O_3 is appeared besides the majority of A1_2O_3. Thus the long-time argument about the presence of Cr_2O_3 in now settled. It was also observed that in the passive films obtained by treatment with N_2-con-taining passivation agent, some A1N and metallic complexes are detected in addition to A1_2O_3. Futhermore, No Cu is signaled in the passive film on two Al-Cu alloys obtained by either K_2Cr_2O_7 or N_2-containing passivation agent, and Cu is shielded by the passive film. It is interesting that a definite Mg peak may be observed on these two passive films although Mg content in Al-Cu alloy is very low, but disappeared after sputtering 5 min.
收稿日期: 1987-02-18     
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