Effect of Pre-damage Caused by Acid Salt Spray Corrosion on Abradability of NiCrFe/Al/BN Coatings

FANG Yongchao; LI Shu; LIU Zhen; LI Chaochao; LI Zhang; WANG Senyuan; XIAO Chenbing; DU Xiuxin; WANG Changliang; TIAN Haoliang

doi:10.16490/j.cnki.issn.1001-3660.2025.06.007

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Surface Technology ›› 2025, Vol. 54 ›› Issue (6) : 87-97. DOI: 10.16490/j.cnki.issn.1001-3660.2025.06.007

Corrosion and Protection

Effect of Pre-damage Caused by Acid Salt Spray Corrosion on Abradability of NiCrFe/Al/BN Coatings

FANG Yongchao¹, LI Zhang¹, WANG Senyuan¹, XIAO Chenbing¹, DU Xiuxin¹, WANG Changliang¹, TIAN Haoliang¹, LI Shu², LIU Zhen², LI Chaochao³

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Abstract

The effect of marine environment on the properties of abradable seal coatings is directly related to the safety of aircraft engines, which is one of the research hotspots and difficulties in the field of surface engineering. The work aims to investigate the effect mechanism of acid salt spray corrosion for 192 h on the abradability of NiCrFe/Al/BN coatings.

Key words

NiCrFe/Al/BN coating; acid salt spray corrosion; abradability; thermal spraying; wear mechanism

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FANG Yongchao, LI Shu, LIU Zhen, LI Chaochao, LI Zhang, WANG Senyuan, XIAO Chenbing, DU Xiuxin, WANG Changliang, TIAN Haoliang. Effect of Pre-damage Caused by Acid Salt Spray Corrosion on Abradability of NiCrFe/Al/BN Coatings[J]. Surface Technology. 2025, 54(6): 87-97