Plasma-sprayed thermal barrier coatings: numerical study on damage localization and evolution
作者: K. SlameckaP. SkalkaL. CelkoJ. PokludaLuis Saucedo-MoraT.J. MarrowU. Thandavamoorthy
作者单位: 1Brno University of Technology, Central European Institute of Technology, Technick� 10, 616 69 Brno, Czech Republic
2Faculty of Mechanical Engineering, Brno University of Technology, Technick� 2, CZ-61669 Brno, Czech Republic Central European Institute of Technology (CEITEC), Brno University of Technology, Technick� 3058/10, CZ-61600 Brno, Czech Republic
3University of Oxford, Department of Materials, Parks Road, Oxford OX1 3PH, UK
4Ecole des Mines de Nantes, 4 Rue Alfred Kastler, 44300 Nantes, France
刊名: Fracture and Structural Integrity, 2016, Vol.10 (35), pp.322 - 329
来源数据库: Gruppo Italiano Frattura
DOI: 10.3221/IGF-ESIS.35.37
关键词: Thermal barrier coatingsRoughnessPlasma sprayingFinite element modellingMulti-scale numerical modelRoughness
原始语种摘要: Thermal barrier coatings (TBCs) are advanced material systems used to enhance performance and in-service life of components operated at high temperatures in gas turbines and other power-generation devices. Because of complexity, numerical methods became important tools both for design of these coatings and for in-service life estimations and optimization. In this contribution, two main features that affect the TBCs performance, namely the roughness of the bond coat and the microstructure of the ceramic top coat, are discussed based on Finite Element Method (FEM) and Finite Element Microstructure MEshfree (FEMME) simulations that were used to calculate stresses and assess damage within the coating. Roughness data obtained from plasma-sprayed CoNiCrAlY + YSZ coated samples are supplemented...
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  • 世代 重要的
  • barrier 堡坝
  • sprayed 喷雾的
  • numerical 数字的
  • discuss 议论
  • calculate 计算
  • design 设计
  • advanced 先进的
  • important 重要的
  • generation 重要的
  • enhance 增强