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Effect of coated PHB on properties of abradable seal coating

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Abstract

As pore-forming materials, the coated poly-p-hydroxybenzoate(short for PHB) and h-BN can be applied in the preparation of abradable seal coatings at high temperature. The characteristics of coating such as morphology, thermal stability and composition were studied by SEM, EDS and FTIR. The results show that the modified PHB will change the remained carbon amount, porosity and pore morphology of the coating, which can affect the properties of coatings. If the pore is small enough in uniform distribution, the coating with 5 MPa bond strength, 30–55 HR45Y superficial hardness and certain of carbon can be suitable to well abradability.

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Authors and Affiliations

  1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China

    Xudong Cheng  (程旭东), Hongyu Xiang, Jie Min, Minzhi Liu, Pu Zhang & Wei Lu

  2. College of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Hongyu Xiang, Weiping Ye & Xiaoming Meng

Authors
  1. Xudong Cheng  (程旭东)
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  2. Hongyu Xiang
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  3. Weiping Ye
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  4. Xiaoming Meng
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  5. Jie Min
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  6. Minzhi Liu
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  7. Pu Zhang
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  8. Wei Lu
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Correspondence to Xudong Cheng  (程旭东).

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Funded by the Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing

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Cheng, X., Xiang, H., Ye, W. et al. Effect of coated PHB on properties of abradable seal coating. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 29, 417–421 (2014). https://doi.org/10.1007/s11595-014-0932-5

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  • DOI: https://doi.org/10.1007/s11595-014-0932-5

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