Hard Anodization Film on Carbon Steel Surface by Thermal Spray and Anodization Methods

doi:10.3390/ma14133580

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標題:	Hard Anodization Film on Carbon Steel Surface by Thermal Spray and Anodization Methods
作者:	Chiang, Pao-Chang Chen, Chih-Wei Tsai, Fa-Ta Lin, Chung-Kwei Chen, Chien-Chon
貢獻者:	Taipei Med Univ, Sch Dent, Coll Oral Med Taipei Med Univ, Wan Fang Hosp, Dept Dent Taipei Med Univ, Coll Oral Med, Res Ctr Digital Oral Sci & Technol Chi Mei Med Ctr, Div Neurosurg, Dept Surg Chia Nan Univ Pharm & Sci, Inst Ind Safety & Disaster Prevent, Dept Occupat Safety & Hlth, Coll Sustainable Environm Natl United Univ, Dept Mech Engn Natl United Univ, Dept Energy Engn
關鍵字:	carbon steel AISI 1045 corrosion hardness thermal spray anodization
日期:	2021
上傳時間:	2023-11-11 11:49:43 (UTC+8)
出版者:	MDPI
摘要:	In this paper, we used two mass-produced industrial technologies, namely, thermal spraying and anodization methods, to enhance the surface characteristics of AISI 1045 medium carbon steel for use in special environments or products. The anodic film can effectively improve the surface properties of carbon steel. A sequence of treatments of the carbon steel substrate surface that consist of sandblasting, spraying the aluminum film, annealing, hot rolling, cleaning, grinding, and polishing can increase the quality of the anodized film. This paper proposes an anodization process for the surface of carbon steel to increase the corrosion resistance, hardness, color diversification, and electrical resistance. The resulting surface improves the hardness (from 170 HV to 524 HV), surface roughness (from 1.26 to 0.15 mu m), coloring (from metal color to various colors), and corrosion resistance (from rusty to corrosion resistant). The electrochemical corrosion studies showed that the AISI 1045 steel surface with a hard anodized film had a lower corrosion current density of 10(-)(5.9) A/cm(2) and a higher impedance of 9000 ohm than those of naked AISI 1045 steel (10(-4.2) A/cm(2) and 150 ohm) in HCl gas.
關聯:	MATERIALS, v.14, n.13
显示于类别:	[職業安全衛生系(含防災所)] 期刊論文

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