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首页> 外文会议>Advanced ceramic coatings and interfaces V >EFFECT OF MICROSTRUCTURE CHANGE OF APS-TBCS ON THE INTERFACIAL MECHANICAL PROPERTY UNDER SHEAR LOADING
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EFFECT OF MICROSTRUCTURE CHANGE OF APS-TBCS ON THE INTERFACIAL MECHANICAL PROPERTY UNDER SHEAR LOADING

机译：剪切载荷作用下APS-TBCS微观结构变化对界面力学性能的影响

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摘要

Pushout tests were carried out on APS-TBCs which were heat treated in a vacuum and heat exposed in an air in order to understand the effect of microstructural change on interfacial mechanical properties. Heat treatment and heat exposure were conducted at 1413 K from 10 to 50 hours and at 1173 and 1413 K from 10 to 200 hours, respectively. Yield stress of the BC layer estimated by Vickers hardness decreases and the interfacial shear strength increases with increasing heat treatment time. The TGO thickness increases and yield stress of the BC layer decreases with the increase in heat exposure time independently of the heat exposure temperature. Shear strength decreases monotonically with the increase in heat exposure time. As for the specimens heat exposed at 1423 K, interfacial shear strength decreases gradually than the specimen heat exposed at 1173 K.
机译：在APS-TBC上进行了推出测试，该APS-TBC在真空中进行了热处理，并在空气中暴露于热，以了解微结构变化对界面力学性能的影响。热处理和热暴露分别在1413 K下10到50小时以及在1173和1413 K下10到200小时进行。随着热处理时间的增加，通过维氏硬度估算的BC层的屈服应力降低，界面剪切强度升高。 TGO的厚度随着热暴露时间的增加而增加，并且BC层的屈服应力减小，而与热暴露温度无关。剪切强度随着受热时间的增加而单调降低。至于在1423 K下暴露的样品，界面剪切强度比在1173 K下暴露的样品逐渐降低。

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  • 来源
  • 会议地点 Daytona Beach FL(US);Daytona Beach FL(US)
  • 作者

    Makoto Hasegawa; Hiroshi Fukutomi;

  • 作者单位

    Division of Materials Science and Engineering, Yokohama National University 79-5 Tokiwa-dai, Hodogaya-ku Yokohama, 240-8501, Japan;

    rnDivision of Materials Science and Engineering, Yokohama National University 79-5 Tokiwa-dai, Hodogaya-ku Yokohama, 240-8501, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 陶瓷工业;
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