Thermal Shock Resistance of APS 8YSZ Thermal Barrier Coatings on Titanium Alloy

被引：0
作者：
Shuibing Zeng
Yangjia Liu
Xizhi Fan
Wenzhi Huang
Lijian Gu
Binglin Zou
Xiaolong Chen
Zuhair S. Khan
Ling Zhu
Daowu Yang
Xueqiang Cao
机构：
[1] Changsha University of Science and Technology,Department of Chemical and Biological Engineering
[2] Chinese Academy of Sciences,State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry
来源：
Journal of Thermal Spray Technology | 2012年 / 21卷
关键词：
plasma spraying; thermal insulation; thermal shock; titanium alloy; 8YSZ;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thermal barrier coatings (TBCs) with a typical 8YSZ ceramic top coat and CoNiCrAlY bond coat were deposited on titanium alloy substrate (Ti-6Al-4V in wt.%) by air plasma spraying. Thermal insulation and thermal shock resistance of the TBCs at different temperatures as well as their failure behavior were investigated. The results showed that the test temperature had a significant effect on thermal shock life of the TBCs. Failure of the TBCs systems was caused by the formation of crack, bond coat oxidation and elemental diffusion. The vertical cracks induced by thermal shock cycles were probably responsible for the enhancement in thermal shock resistance of the TBCs. Furthermore, elemental diffusion had a great effect on the acceleration of the TBCs failure. The TBCs could provide a good thermal protection for the titanium alloy substrate.
引用
收藏
页码：335 / 343
页数：8
相关论文
共 130 条
  • [1] Geetha M(2009)Ti-Based Biomaterials, the Ultimate Choice for Orthopaedic Implants—A Review Prog. Mater. Sci. 54 397-425
  • [2] Singh AK(2007)Mechanical Properties of Titania Prepared by Plasma Electrolytic Oxidation at Different Voltages Surf. Coat. Technol. 201 5168-5171
  • [3] Asokamani R(1995)Titanium for Aerospace: Rationale and Applications Adv. Perform. Mater. 2 349-368
  • [4] Gogai AK(2006)Effect of Ni, Si and Cr in the Structural Formation of Diffusion Aluminide Coatings on Commercial-Purity Titanium Surf. Coat. Technol. 201 230-242
  • [5] Huang P(1998)Magnetron-Sputtered Ti-Cr-Al Coatings for Oxidation Protection of Titanium Alloys Surf. Coat. Technol. 108-109 30-35
  • [6] Wang F(1997)Intermetallic Ti-Al Coatings for Protection of Titanium Alloys: Oxidation and Mechanical Behavior Surf. Coat. Technol. 94-95 34-40
  • [7] Xu K(2008)Investigation on the Oxidation Behaviour of Gamma Titanium Aluminides Coated with Thermal Barrier Coatings Mater. Corros. 59 539-546
  • [8] Han Y(2007)Oxidation Behaviour of Gamma Titanium Aluminides with EB-PVD Thermal Barrier Coatings Exposed to Air at 900 °C Surf. Coat. Technol. 202 676-680
  • [9] Boyer RR(2009)Oxidation Bahaviour of TBC Systems on γ-TiAl Based Alloy Ti-45Al-8Nb Oxid. Met. 71 295-318
  • [10] Cammarota GP(2009)Thermally Grown Oxide Scales on Gamma-TiAl Coated with Thermal Protection Systems Mater. High Temp. 26 305-316
12345678910