论文期刊

Interfacial fracture mechanism associated with mixed oxides growth in thermal barrier coating system




作者: Rong Xu, Xue Ling Fan, Wei Xu Zhang, TJ Wang
发表/完成日期: 2014-08-25
期刊名称: Surface and Coatings Technology
期卷:
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论文简介
Abstract The interfacial failure mechanism of the thermal barrier coating system (TBCs) was
numerically investigated by considering the role of mixed oxides (MO), which was induced
by the discontinuous α-Al 2 O 3 at the interface between top and bond coatings. It is shown
that MO has a significant effect on the interface integrity. High growth rate of MO will induce
the initiation and propagation of interface cracks and eventually results in the debonding of
ceramic coating. The high coverage ratio of MO at the interface will accelerate the ...
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