Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation

Lu Jie; Zhang Han; Chen Ying; Zhao Xiaofeng; Guo Fangwei; Xiao Ping

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Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation

机译：高速空气燃料制备的NiCoCrAlY涂层的组织对等温氧化的影响

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The effect of grain size and porosity of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation behavior is studied. To understand this effect, the microstructure of coating, the chemistry and microstructure of thermally grown oxides (TGO), the phase transformation of alumina, the oxidation rate, and the TGO stress are investigated. It is demonstrated in this study that the oxidation and spallation resistance of TGO are predominantly determined by the porosity rather than grain size for the long term oxidation, although the nanoscale gamma-grains can facilitate the earlier establishment of alpha-Al2O3 scale.

机译：研究了高速空气燃料制备的NiCoCrAlY涂层的晶粒尺寸和孔隙率对等温氧化行为的影响。为了了解这种效果，研究了涂层的微观结构，热生长氧化物（TGO）的化学和微观结构，氧化铝的相变，氧化速率和TGO应力。这项研究表明，TGO的抗氧化性和抗剥落性主要取决于孔隙率，而不是长期氧化的晶粒尺寸，尽管纳米级的γ晶粒可以促进早期建立α-Al2O3氧化皮。

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来源
《Corrosion science》 |2019年第10期|108126.1-108126.14|共14页
作者
Lu Jie; Zhang Han; Chen Ying; Zhao Xiaofeng; Guo Fangwei; Xiao Ping;
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作者单位

Shanghai Jiao Tong Univ Sch Mat Sci & Engn Shanghai Key Lab Adv High Temp Mat & Precis Formi Shanghai 200240 Peoples R China;

OxMet Technol Begbroke Sci Pk Kidlington OX5 1PF Oxon England;

Univ Manchester Sch Mat MSS Tower Manchester M13 9PL Lancs England;

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正文语种 eng
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关键词
NiCoCrAlY; Grain size; Porosity; Oxidation;

机译：NiCoCrAlY;晶粒大小;孔隙率氧化作用;

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专利

1. Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation [J] . Lu Jie, Zhang Han, Chen Ying, Corrosion science . 2019,第Octa期

机译：高速空气燃料制备的NiCoCrAlY涂层的组织对等温氧化的影响
2. Microstructure and Oxidation Performance of TiAl-(Cr, Nb, Ta) Coatings Fabricated by Warm Spray and High-Velocity Oxy-Fuel Spraying [J] . Sienkiewicz Judyta, Kuroda Seiji, Murakami Hideyuki, Journal of Thermal Spray Technology . 2019,第3期

机译：温热喷雾和高速氧燃料喷涂制造的Tial-（Cr，Nb，Ta）涂层的微观结构和氧化性能
3. Microstructure and Oxidation Performance of TiAl-(Cr, Nb, Ta) Coatings Fabricated by Warm Spray and High-Velocity Oxy-Fuel Spraying (vol 28, pg 563, 2019) [J] . Sienkiewicz Judyta, Kuroda Seiji, Murakami Hideyuki, Journal of Thermal Spray Technology . 2019,第4期

机译：温热喷雾和高速氧燃料喷涂制造的TiAl-（Cr，Nb，Ta）涂层的组织和氧化性能（Vol 28，PG 563,2019）
4. Isothermal oxidation behavior of HVAF-sprayed NiCoCrAlY coatings: Effect of surface treatment [C] . Pimin Zhang, Esmaeil Sadeghimeresht, Ru Lin Peng, International Thermal Spray Conference and Exposition . 2017

机译：HVAF喷涂的NicoCraly涂层的等温氧化行为：表面处理的影响
5. Spinel coatings for solid oxide fuel cell interconnects and crystal structure of copper manganese oxide. [D] . Wei, Ping. 2009

机译：用于固体氧化物燃料电池互连的尖晶石涂层和铜锰氧化物的晶体结构。
6. Microstructure Wear Resistance and Oxidation Behavior of Ni-Ti-Si Coatings Fabricated on Ti6Al4V by Laser Cladding [O] . Qiaoqiao Zhuang, Peilei Zhang, Mingchuan Li, 2017

机译：激光熔覆在Ti6Al4V上制备的Ni-Ti-Si涂层的组织耐磨性和氧化行为
7. Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation [O] . Jie Lu, Han Zhang, Ying Chen, 2019

机译：高速空气燃料对等温氧化作用的小型涂层微观结构的影响
8. Nondestructive Inspection (NDI) Through High-Velocity Oxygen Fuel (HVOF) Thermal Spray Coatings. Delivery Order 0001: Nondestructive Evaluation Exploratory Development for Air Force Systems [R] . Tracy, N. , Davis, S. , Brausch, J. 2002

机译：通过高速氧燃料（HVOF）热喷涂涂层进行无损检测（NDI）。交付令0001：空军系统的无损评估探索性发展

Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation

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