High speed anodizing of aluminium to form functional composite oxide films
铝高速阳极氧化形成功能性复合氧化膜
基本信息
- 批准号:07555506
- 负责人:
- 金额:$ 2.69万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (A)
- 财政年份:1995
- 资助国家:日本
- 起止时间:1995 至 1996
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A two-step process to form composite anodic oxide films on Al, that is, step I (formation of metal-oxyhydroxide film on Al by electrolysis or dip methods, then drying or heat treatment, if necessary) * Step II (formation of porous oxide film on Al by anodic oxidation in acid solutions), was established.For Step I,(a) electrolytic treatment in molybdate solutions, (b) chromate treatment, (c) chromate-phosphate treatment, (d) electrolytic treatment in Ti (IV) containing solutions, and related methods were carried out. For Step II,the high speed anodizing with high current densities was realized by using sulfuric acid solutions containing Mn (II) salts.The anodic oxide films obtained by the above process always showed higher hardness than the conventional films formed under similar conditions. Further, depending on the method used for Step I,method (a) gave black anodic oxide films having very high hardness and high wear-resistance, (b) and (c) gave the films markedly resistant to pitting corrosion. Method (d), which was attempted to increase dielectric constant of the film, was unsuccessful, but during the experiment it was found that boiling in solutions containing Ba (II) salt is effective to modify anodic oxide films and forms composite oxide containing crystalline BaSO_4 when it is applied to the process using sulfuric acid for Step II.The Mn (II) salt added sulfuric acid bath enabled to anodize Al at high speed, and was found also to be useful to anodize Al alloys on which formation of uniform anodic oxide film is difficult.
在铝上形成复合阳极氧化膜的两步法,即步骤I(通过电解或浸渍方法在Al上形成金属-羟基氧化物膜,然后干燥或热处理,如果需要的话)(通过在酸性溶液中阳极氧化在Al上形成多孔氧化膜),对于步骤I,(a)在Na 2SO 4溶液中电解处理,(B)铬酸盐处理,(c)铬酸盐-磷酸盐处理,(d)在含Ti(IV)的溶液中的电解处理,以及相关方法。在第二步中,采用含Mn(II)盐的硫酸溶液实现了高电流密度的高速阳极氧化,所得阳极氧化膜的硬度始终高于相同条件下形成的常规膜。此外,根据步骤I所用的方法,方法(a)得到具有非常高的硬度和高耐磨性的黑色阳极氧化膜,(B)和(c)得到显著耐点蚀的膜。尝试提高膜的介电常数的方法(d)是不成功的,但是在实验期间发现,当将其应用于步骤II的使用硫酸的过程时,在含有Ba(II)盐的溶液中煮沸对阳极氧化膜的改性是有效的,并且形成含有结晶BaSO_4的复合氧化物。添加Mn(II)盐的硫酸浴使得能够高速阳极化Al,并且发现对于难以在其上形成均匀阳极氧化膜的铝合金的阳极氧化也是有用的。
项目成果
期刊论文数量(9)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
H. KONNO: "A two step anodizing process as a means for improving the chemical and physical properties of oxide films" Corrosion Science. 38・12. 2247-2256 (1996)
H. KONNO:“两步阳极氧化工艺作为改善氧化膜化学和物理性能的方法”《腐蚀科学》38・12 (1996)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H. Konno: "A novel anodizing process to improve corrosion resistance of aluminium" Corrosion Prevention for Industrial Safety and Environmental Control (Proc. 9th APCCC). 2. 755-780 (1995)
H. Konno:“一种提高铝耐腐蚀性的新型阳极氧化工艺”工业安全和环境控制的腐蚀预防(Proc. 9th APCCC)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H.Konno: "Formation of porous anodic oxide films containing chromium ions on aluminium" Mater.Sci.Forum. 192. 379-384 (1995)
H.Konno:“铝上含有铬离子的多孔阳极氧化膜的形成”Mater.Sci.Forum。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H. Konno: "Formation of porous anodic oxide films containing chromium ions on aluminium" Material Science Forum. 192. 379-384 (1995)
H. Konno:“在铝上形成含有铬离子的多孔阳极氧化膜”材料科学论坛。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H. Konno: "A two step anodizing process as a means for improving the chemical and physical properties of oxide films" Corrosion Science. 38. 2247-2256 (1996)
H. Konno:“两步阳极氧化工艺作为改善氧化膜化学和物理性能的一种手段”《腐蚀科学》。
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- 影响因子:0
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KONNO Hidetaka其他文献
KONNO Hidetaka的其他文献
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{{ truncateString('KONNO Hidetaka', 18)}}的其他基金
Development of carbon hybrids for electric power storage
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- 批准号:
18350102 - 财政年份:2006
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$ 2.69万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Synthesis of Laminated Graphite Nano-composites Using Exfoliated Graphite
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- 批准号:
13450279 - 财政年份:2001
- 资助金额:
$ 2.69万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Surface Modification by Carbon for Enhanced Performance
通过碳进行表面改性以增强性能
- 批准号:
10044108 - 财政年份:1998
- 资助金额:
$ 2.69万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
ELECTROCHEMICAL FORMATION AND CHARACTERIZATION OF MIXED VALENCE AND ABNORMAL VALENCE OXIDE FILMS
混合价态和异常价态氧化膜的电化学形成及表征
- 批准号:
06452330 - 财政年份:1994
- 资助金额:
$ 2.69万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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