Effect of Anodization Treatment on the Thickness, Hardness, and Microstructural Characterization of Anodic Aluminum Oxide Film on AA 6061 and Critical Patent Analysis

doi:10.1007/s11665-021-06205-1

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 職業安全衛生系(含防災所) > 期刊論文 > Item 310902800/34361

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標題:	Effect of Anodization Treatment on the Thickness, Hardness, and Microstructural Characterization of Anodic Aluminum Oxide Film on AA 6061 and Critical Patent Analysis
作者:	Lee, Chun-Chieh Chen, Chih-Wei Lin, Jin-Shyong Wang, Shing Hoa Lee, Chiang-Sheng Chen, Chien-Chon Lin, Ya-Hui Chen, Chih-Yuan
貢獻者:	Natl United Univ, Coll Engn & Sci Chi Mei Med Ctr, Div Neurosurg, Dept Surg Chia Nan Univ Pharm & Sci, Dept Occupat Safety & Hlth, Inst Ind Safety & Disaster Prevent Natl Chin Yi Univ Technol, Dept Mech Engn Natl Taiwan Ocean Univ, Dept Mech & Mechatron Engn Natl United Univ, Dept Energy Engn Natl Taipei Univ Technol, Grad Inst Intellectual Property
關鍵字:	AA 6061 anodization efficiency hardness oxide pre-treatment
日期:	2021
上傳時間:	2023-11-11 11:46:52 (UTC+8)
出版者:	SPRINGER
摘要:	The influences of different pre-treatment approaches, comprising sandblasting, grinding, chemical polishing, and plowing, and various anodizing parameters, including electrolyte composition, temperature, current density, time, and final voltage, on the quality of anodized aluminum oxide (AAO) film on AA 6061 were studied in the present research. It was found that, during both mild and hard anodization treatment, the thickness and microhardness of AAO film increased as the anodization current density increased. Under mild anodization treatment, when the current density increased from 0.5 to 2.0 A/dm(2), the anodization efficiency decreased from 90 to 52% and 71 to 44% during the mild anodization treatment performed at 22 degrees C and 0 degrees C, respectively. However, on the other hand, the anodization efficiency increased from 55 to 56% and 57 to 64% when the current density increased from 7.0 to 8.0 A/dm(2) during the hard anodization treatment carried out at 22 degrees C and 0 degrees C, respectively. Therefore, different AAO film formation mechanisms prevail during the mild and hard anodization treatment. Moreover, the microhardness of AAO film formed at 22 degrees C or 0 degrees C dropped heavily when the current density was higher than 9.0 A/dm(2) due to the burning reaction. In addition, the AAO film can achieve higher hardness and resistance to corrosion through the sealing process, which can effectively decrease the size of the tubes due to the volume expansion effect (23%) after the sealing treatment.
關聯:	J MATER ENG PERFORM, v.31, n.1, pp.667-681
显示于类别:	[職業安全衛生系(含防災所)] 期刊論文

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