Research Progresses on Modification Technology and Application of Enamel Coating

DU Zhuan, CHEN Lin, MENG Guohui, ZHU Changfa, ZHAO Ding, WANG Guoqiang

doi:10.16577/j.issn.1001-1560.2023.0097

Materials Protection >

2023 , Vol. 56 >Issue 4: 158 - 168

DOI: https://doi.org/10.16577/j.issn.1001-1560.2023.0097

Research Progresses on Modification Technology and Application of Enamel Coating

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(1.State Key Laboratory for Mechanical Behavior of Materials，Xi’an Jiaotong University，Xi’an 710049，China；2.Xi’an Aerospace Engine Corporation in CASC，Xi’an 710065，China)

Received date: 2022-10-22

Revised date: 2022-11-25

Accepted date: 2022-12-14

Online published: 2023-08-04

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Abstract

Enamel coatings composed of inert oxides have a silicon-oxygen network structure similar to that of glass and exhibit excellent resistance to oxidation and corrosion.However，the high temperature softening and intrinsic brittleness of enamel limit the long life service of enamel coatings in high temperature environments.In order to promote the marketization of enamel coatings，after analyzing the reasons affecting the service life of enamel coatings and the second-phase modification mechanism，four methods to solve the problem of enamel coating softening and peeling were put forward，namely，particle toughening，adjustment of thermal expansion coefficient，adjustment of interfacial stability and crack self-repair.It was expected to provide guidance for the research on long life service ability of enamel coatings under high temperature corrosion or thermal cycle impact conditions.

Key words： enamel coating; high temperature oxidation; particle toughening; interface bonding; self-repair

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DU Zhuan, CHEN Lin, MENG Guohui, ZHU Changfa, ZHAO Ding, WANG Guoqiang . Research Progresses on Modification Technology and Application of Enamel Coating[J]. Materials Protection, 2023 , 56(4) : 158 -168 . DOI: 10.16577/j.issn.1001-1560.2023.0097

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