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Effects of Two-Step Anodization on Surface Wettability in Surface Treatment of Aluminum Alloy
알루미늄 합금의 표면처리에 있어서 2단계 양극산화의 젖음성 영향
Jae Dong Eo, Jingyu Kim, Yongsug Jung, Jong-Hang Lee, Wook Bae Kim
어재동, 김진규, 정용석, 이종항, 김욱배
Korean J. Met. Mater. ;59(2):73-80.   Published online 2021 Jan 27
DOI: https://doi.org/10.3365/KJMM.2021.59.2.73

Abstract
Industrial anodizing of aluminum alloys is widely employed for various products, to improve corrosion and contamination protection as well as aesthetic appearance. At the same time, nanostructure fabrication using highly ordered porous aluminum oxides has been increasingly investigated in academic research for diverse micro-/nano applications. This approach is based on..... More

      
Development of Superhydrophilic 6061 Aluminum Alloy by Stepwise Anodization According to Pore-Widening Time
Pore-Widening 시간에 따른 단계적 양극산화방법을 이용한 초친수 알루미늄 6061 합금 개발
Youngju Park, Hyejeong Ji, Chanyoung Jeong
박영주, 지혜정, 정찬영
Korean J. Met. Mater. 2020;58(2):97-102.   Published online 2020 Jan 8
DOI: https://doi.org/10.3365/KJMM.2020.58.2.97

Abstract
This study created alumina structures with the highest hydrophilic properties on 6061 aluminum alloy. The anodization process was applied to make various aluminum oxide structures. To create uniform alumina structures on top of a 6061 aluminum alloy surface, after conducting the first anodization in 0.3 M oxalic acid at 40..... More

                        
Effects of Exposure Temperature on Tensile and Charpy Impact Properties of the 7xxx Aluminum Alloy for Aerospace Applications
항공용 7xxx계 알루미늄 합금의 고온 노출 온도가 인장 및 샤르피 충격 특성에 미치는 영향
Woojin An, Dohee Kim, Bong-Hwan Kim, Shae Kwang Kim, Sangshik Kim, Hyokyung Sung
안우진, 김도희, 김봉환, 김세광, 김상식, 성효경
Korean J. Met. Mater. 2019;57(4):214-226.   Published online 2019 Apr 5
DOI: https://doi.org/10.3365/KJMM.2019.57.4.214

Abstract
Aluminum alloys have been widely used for aerospace applications due to their high strength and lightweight. New demand is growing for aluminum alloys with high temperature mechanical properties that can sustain plastic deformation at high temperature. In this study, correlations among microstructure, tensile properties and Charpy impact properties were analyzed..... More

                           Cited By 1
Estimation of Chemical Composition of Al-Si Cast Alloys Using Image Recognition
화상인식을 이용한 Al-Si 주조용 합금의 화학조성 예측
Sang-Jun Jeong, In-Kyu Hwang, In-Sung Cho, Hee-Soo Kim
정상준, 황인규, 조인성, 김희수
Korean J. Met. Mater. 2019;57(3):184-192.   Published online 2019 Feb 14
DOI: https://doi.org/10.3365/KJMM.2019.57.3.184

Abstract
In this study, we analyzed the chemical composition of Al-Si cast alloys from microstructural images, using image recognition and machine learning. Binary Al-Si alloys of Si = 1~10 wt% were cast and prepared as reference images in the dataset used for machine learning. The machine learning procedure was constructed with..... More

                           Cited By 3
Resistance to Stress Corrosion Cracking of High-Strength 7xxx Series Aluminum Alloys in 3.5% NaCl Solution
항공용 고강도 7xxx계 알루미늄 합금의 3.5% NaCl 수용액에서의 응력부식균열 저항성
Yurim Lee, Heesoo Choi, Soojin Ahn, Cheoljoo Lee, Sangshik Kim
이유림, 최희수, 안수진, 이철주, 김상식
Korean J. Met. Mater. 2018;56(10):708-717.   Published online 2018 Oct 5
DOI: https://doi.org/10.3365/KJMM.2018.56.10.708

Abstract
For proper maintenance and inspection scheduling of aircraft, it is extremely important to measure the resistance to stress corrosion cracking (SCC) behavior of aluminum alloys used for aircraft structures. The SCC resistances of high-strength 7xxx-series aluminum alloys, including 7050-T7451, 7475-T7351 and 7140-T7451, were evaluated along longitudinal (L) and transverse (T)..... More

                           Cited By 2
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