High-Temperature Oxidation Behavior of a Single-Layer IrAl Intermetallic Coating

被引：2
|
作者：
Zhu, Li'an [1 ]
Ye, Yicong [1 ]
Bai, Shuxin [1 ]
Zhang, Hong [1 ]
Zhang, Kaili [1 ]
Ai, Yuanlin [1 ]
Li, Shun [1 ]
Tang, Yu [1 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Dept Mat Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
OXIDATION OF METALS | 2019年 / 91卷 / 5-6期
基金：
中国国家自然科学基金;
关键词：
Iridium aluminide; Pack cementation; Intermetallics; Cyclic oxidation; IRIDIUM-ALUMINUM;
D O I：
10.1007/s11085-019-09907-z
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In order to improve the high-temperature service property of Ir, a well-bonded single-layer pure IrAl intermetallic coating was prepared on Ir by pack cementation followed by vacuum annealing treatment. The oxidation behavior of the IrAl coating was investigated by cyclic oxidation tests at 1400-2000 degrees C and compared with that of pure Ir. The results showed that the IrAl coating, although containing many cracks, exhibited excellent oxidation resistance over the whole experimental temperature range. The reasons were deduced to be the in situ formation of Al2O3 and the sintering of the cracks in the IrAl layer. The excellent oxidation protective effect of the single-layer IrAl coating can be ascribed to its stable and unique as-oxidized microstructure, i.e., double-layer structure of Al2O3/Ir, which showed excellent compatibility and comprehensive property.
引用
收藏
页码：749 / 766
页数：18
相关论文
共 50 条
  • [21] The oxidation behavior of high-temperature aluminides
    I. C. I. Okafor
    R. G. Reddy
    JOM, 1999, 51 : 35 - 40
  • [22] THE INFLUENCE OF TERNARY ELEMENT ADDITION ON THE OXIDATION BEHAVIOR OF TIAL INTERMETALLIC COMPOUND IN HIGH-TEMPERATURE AIR
    BHIDA, Y
    ANADA, H
    CORROSION SCIENCE, 1993, 35 (5-8) : 945 - 953
  • [23] Distribution of temperature in a plate with a single-layer coating subjected to intense heating
    Institute for Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine
    不详
    Strength Mater., 3 (340-344):
  • [24] Distribution of temperature in a plate with a single-layer coating subjected to intense heating
    Lyashenko B.A.
    Terletskii V.A.
    Dolgov N.A.
    Soroka E.B.
    Strength of Materials, 1998, 30 (3) : 340 - 344
  • [25] Deposition of Iridium Coating on Pure Tungsten and High-Temperature Oxidation Behavior at 1300 K
    Zhang, Jifu
    Chen, Dongchu
    Zhang, Xueying
    Niu, Ben
    Wang, Biao
    Li, Runxia
    COATINGS, 2022, 12 (11)
  • [26] High-temperature oxidatiOn behavior of laser-aided additively manufactured NiCrAlY coating
    Ansari, M.
    Shoja-Razavi, R.
    Barekat, M.
    Man, H. C.
    CORROSION SCIENCE, 2017, 118 : 168 - 177
  • [27] Universal optimal hole-doping concentration in single-layer high-temperature cuprate superconductors
    Honma, T.
    Hor, P. H.
    SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2006, 19 (09): : 907 - 911
  • [28] Comparison of thermal expansion and oxidation behavior of various high-temperature coating materials and superalloys
    Haynes, JA
    Pint, BA
    Porter, WD
    Wright, IG
    MATERIALS AT HIGH TEMPERATURES, 2004, 21 (02) : 87 - 94
  • [29] High-temperature single-layer SQUID gradiometers with long baseline and parasitic effective area compensation
    Pegrum, C.M.
    Eulenburg, A.
    Romans, E.J.
    Carr, C.
    Millar, A.J.
    Donaldson, G.B.
    Superconductor Science and Technology, 1999, 12 (11): : 766 - 768
  • [30] High-temperature single-layer SQUID gradiometers with long baseline and parasitic effective area compensation
    Pegrum, CM
    Eulenburg, A
    Romans, EJ
    Carr, C
    Millar, AJ
    Donaldson, GB
    SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1999, 12 (11): : 766 - 768
12345