Creep behavior of titanium alloy with thermal barrier coatings

WANG Chun; BAI Yu; ZHAO Bin; ZHANG Tingting; XIA Tian

doi:10.13224/j.cnki.jasp.2020.08.021

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Creep behavior of titanium alloy with thermal barrier coatings

更新时间：2026-07-07

- Creep behavior of titanium alloy with thermal barrier coatings
- Vol. 35, Issue 8, Pages: 1762-1767(2020)
- 作者机构：
- 作者简介：
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- DOI：10.13224/j.cnki.jasp.2020.08.021
  CLC：
- Published：2020
- 稿件说明：
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王纯, 白宇, 赵彬, 张婷婷, 夏甜. 带热障涂层钛合金的蠕变性能[J]. 航空动力学报, 2020, 35(8): 1762-1767.

doi: 10.13224/j.cnki.jasp.2020.08.021
王纯, 白宇, 赵彬, 张婷婷, 夏甜. 带热障涂层钛合金的蠕变性能[J]. 航空动力学报, 2020, 35(8): 1762-1767. DOI： 10.13224/j.cnki.jasp.2020.08.021.

doi: 10.13224/j.cnki.jasp.2020.08.021 DOI：

摘要

以提高钛合金的抗蠕变性能为目的

在TA32钛合金基体上制备由NiCrAlY黏接层(BC)与氧化钇稳定二氧化锆陶瓷层(TC)组成的热障涂层(TBCs)

对带TBCs钛合金抗蠕变性能进行实验与数值模拟研究。结果表明:TA32与TBCs的蠕变速率相差较大

在高温拉伸时TC会对BC和基体的蠕变变形产生明显的约束效应

且TBCs中BC承受的轴向拉伸应力较大。在400 ℃和600 ℃实验温度下

TBCs可将TA32的抗蠕变性能分别提升56%与175%

但当实验温度达到600 ℃、拉伸应力达到200 MPa时

TC发生了严重的开裂与剥落。

Abstract

With the aim of improving the creep resistance of titanium alloy

NiCrAlY (bond coat

BC)/yttria stabilized zirconia (top coat

TC) thermal barrier coatings (TBCs) were deposited on TA32 substrate

and the creep resistance of titanium alloy with TBCs was studied by test and numerical simulation.The results showed that there was a large difference between the creep rate of TA32 and that of TBCs. TC had an obvious constraint effect on the creep deformation of TA32 during tensile process at high temperatures

and the axial tensile stress of NiCrAlY BC in TBCs was larger than other parts. At 400 ℃ and 600 ℃

TBCs improved the creep resistance of TA32 by 56% and 175%

respectively. However

when the test temperature reached 600 ℃ and the tensile stress reached 200 MPa

severe cracking or peeling occurred in TC.

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Related Author

Yuhuai HE

Wei XU

Chengqi SUN

Xin CHEN

SUN Wei

CHEN Zhongshi

QIU Lu

ZHAO Chaofan

Related Institution

Beijing Key Laboratory of Aeronautical Materials Testing and Evaluation， Beijing Institute of Aeronautical Materials， Aero Engine Corporation of China

The State Key Laboratory of Nonlinear Mechanics， Institute of Mechanics，Chinese Academy of Sciences

Beijing Institute of Aeronautical Materials， Aero Engine Corporation of China

National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics,School of Energy and Power Engineering,Beijing University of Aeronautics and Astronautics

南京航空航天大学能源与动力学院

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