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Zhong Y.,China Academy for Machine Science | Lu X.,China Academy for Machine Science | Ji Y.,China Academy of Machinery Science and Technology | Feng Z.,Key Laboratory of Surface Modification and Strengthening Technology of Metallic Materials in Zhejiang Province | And 3 more authors.
Jinshu Rechuli/Heat Treatment of Metals | Year: 2015

Comparative studies on the gradient thermal barrier coatings (TBCs) prepared by plasma spraying and double-layer thermal barrier coatings were carried out. In the experiments, the different proportions of NiCoCrAlY with YSZ (8wt%Y2O3 stabilized ZrO2) compound powders were used as gradient transition layer material. And the thermal shock resistance of barrier coatings of two kinds of structure were test. The results show that the thermal shock life of the gradient thermal barrier coatings was much longer than that of the double-layer thermal barrier coatings. ©, 2015, Chinese Mechanical Engineering Society of Heat Treatment. All right reserved.

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