INFLUENCE OF OXIDATION ON CONTACT ANGLE BETWEEN LIQUID ALUMINUM AND Al2O3

被引:0
作者
Shen, Ping [1 ]
Zhang, Lifeng [1 ]
Wang, Yi [1 ]
机构
[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
来源
LIGHT METALS 2016 | 2016年
基金
美国国家科学基金会;
关键词
Contact angle; Aluminum; Al2O3; Oxidation; PURE ALUMINUM; WETTABILITY; ALLOYS; OXYGEN; IRON;
D O I
暂无
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Aluminum can be easily oxidized at high temperature so that it is difficult to accurately measure the contact angle between the liquid aluminum and Al2O3 substrate. In the current study, the measurement of the contact angle between liquid aluminum and Al2O3 was performed under Ar gas purging and vacuum conditions. The effect of oxidation on the contact angle between liquid aluminum and Al2O3 was investigated. It was observed that aluminum samples in both Ar gas and vacuum condition were oxidized. With further increasing of the temperature, the oxide film gradually reacted with liquid Al and became thinner. The disruption of the thin oxide film caused the mutation of contact angle. The contact angle after mutation was approximately 130 degrees for both cases. The temperature of the turning point was lower under vacuum condition than under Ar gas purging. Under vacuum condition, the final stable contact angle was approximately 63 degrees above 1275 degrees C.
引用
收藏
页码:827 / 832
页数:6
相关论文
共 23 条
  • [1] Wettability of Aluminum on Alumina
    Bao, Sarina
    Tang, Kai
    Kvithyld, Anne
    Tangstad, Merete
    Engh, Thorvald Abel
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2011, 42 (06): : 1358 - 1366
  • [2] Bao S, 2009, LIGHT MET, P767
  • [3] Equilibrium contact angle in the magnesium oxide aluminium system
    Fujii, H
    Nakae, H
    [J]. ACTA MATERIALIA, 1996, 44 (09) : 3567 - 3573
  • [4] Jian Z. Y., 1996, ACTA MATERIAE COMPOS, V13, P46
  • [5] Jiang X. F., 2004, BAOSTEEL TECHNOLOGY, P39
  • [6] INFLUENCE OF OXYGEN PARTIAL-PRESSURE ON THE WETTING BEHAVIOR IN THE SYSTEM AL/AL2O3
    JOHN, H
    HAUSNER, H
    [J]. JOURNAL OF MATERIALS SCIENCE LETTERS, 1986, 5 (05) : 549 - 551
  • [7] Variation of contact angles with temperature and time in the Al-Al2O3 system
    Jung, WY
    Song, HS
    Park, SW
    Kim, DY
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 1996, 27 (01): : 51 - 55
  • [8] Wetting of pure aluminum and selected alloys on polycrystalline alumina and sapphire
    Klinter, Andreas J.
    Mendoza-Suarez, Guillermo
    Drew, Robin A. L.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2008, 495 (1-2): : 147 - 152
  • [9] Wetting phenomena of Al-Cu alloys on sapphire below 800 °C
    Klinter, Andreas J.
    Leon-Patino, Carlos A.
    Drew, Robin A. L.
    [J]. ACTA MATERIALIA, 2010, 58 (04) : 1350 - 1360
  • [10] Wetting and bonding strength in Al/Al2O3 system
    Ksiazek, M
    Sobczak, N
    Mikulowski, B
    Radziwill, W
    Surowiak, I
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2002, 324 (1-2): : 162 - 167