| 周羊羊,马国政,王海斗,李国禄,陈书赢,王海军,刘明.热喷涂层孔隙及对涂层性能影响的研究现状[J].材料导报,2016,30(17):90-96, 119 |
| 热喷涂层孔隙及对涂层性能影响的研究现状 |
| Research Status of Pores in Thermally Sprayed Coatings and Their Effects on Coating Performance |
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| DOI：10.11896/j.issn.1005-023X.2016.017.013 |
| 中文关键词: 孔隙率 形成机理 隔热性能 力学性能 腐蚀性能 热喷涂 |
| 英文关键词: porosity, formation mechanism, thermal resistance property, mechanical property, corrosion property, thermal spraying |
| 基金项目: 国家杰出青年科学基金(51125023);国家自然科学基金(51175513;51275151) |
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| 中文摘要: |
| 孔隙是热喷涂层的一种重要结构缺陷,热喷涂层孔隙率是表征涂层致密程度的重要指标,也是评价涂层质量优劣的重要标准。孔隙率的高低直接影响涂层的服役性能,将涂层孔隙率控制在一定范围内,对提高涂层使用寿命、增强涂层的防护性能具有重要意义。总结了热喷涂层孔隙的形成机理、热喷涂层孔隙形成的影响因素、涂层孔隙率的测试方法,阐述了热喷涂层孔隙对涂层隔热性能、力学性能、腐蚀性能的影响,并展望了该领域未来的重点研究方向。 |
| 英文摘要: |
| Pores are a kind of important structure defects in thermally sprayed coatings, meanwhile the porosity is an important evaluating indicator of the coating structure and also an important standard of coating quality. Porosity directly influences service performance of coatings, and is of great significance to be controlled within a certain range so as to improve service life and enhance protectability. This paper summarizes the formation mechanism and factors of pores, and discusses the testing methods of porosity. It also makes a detailed introduction about the effects of pores in thermally sprayed coatings on thermal resistance property, mechanical property and corrosion property, as well as a brief prospect for the key issues in future. |
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