Progress in the Surface Protection Technology of Aerospace Ultra-High Strength Steel

YANG Cheng, YE Bing, MA Yue, ZHANG Maoda, AN Mingdong, GAO Qiang, ZHOU Fei

doi:10.16577/j.issn.1001-1560.2024.0228

Materials Protection >

2024 , Vol. 57 >Issue 10: 87 - 101

DOI: https://doi.org/10.16577/j.issn.1001-1560.2024.0228

Progress in the Surface Protection Technology of Aerospace Ultra-High Strength Steel

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(1.State Key Laboratory of Mechanics and Control for Aerospace Structures， Nanjing University of Aeronautics and Astronautics， Nanjing 210016， China； 2.National Engineering Research Center of Light Alloy Net Forming， School of Materials Science and Engineering， Shanghai Jiao Tong University， Shanghai 200240， China；3.AVIC Shenyang Aircraft Industry (Group) Co.， Ltd.， Shenyang 110850， China)

ZHOU Fei(1969-)，Ph.D.，Professor，Research Focus:Surface Engineering and Li-ion Battery Related Technology，Tel.: 025-84893083， E-mail: fzhou＠nuaa.edu.cn

Received date: 2024-04-19

Revised date: 2024-05-24

Accepted date: 2024-05-25

Online published: 2024-12-22

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Abstract

Ultra-high strength steel has both high strength and high toughness，making it an important load-bearing component in the aerospace industry， and thus it has a wide range of applications in aircraft landing gear， main beams， transmission components， load-bearing bolts， and other fields.Due to its frequent exposure to marine atmospheric environments during use， corrosion is quite severe.Through surface protection，the corrosion resistance， wear resistance and other properties of ultra-high-strength steel could be improved，which further extended the service life of the relevant parts.Herein， for the current commonly used several surface protection technologies (thermal spraying， vacuum plating，electroplating， chemical plating， surface tissue transformation， laser cladding， ion implantation， etc.)， this paper reviewed the impact of these surface protection methods on different ultra-high strength steels in terms of abrasion，corrosion resistance，hydrogen embrittlement，fatigue and other aspects.Besides， the advantages and disadvantages of these methods were analyzed， and the prospects were made for its future development direction.

Key words： ultra-high strength steel; thermal spraying; electroplating; wear resistance; corrosion resistance; hydrogen embrittlement

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YANG Cheng, YE Bing, MA Yue, ZHANG Maoda, AN Mingdong, GAO Qiang, ZHOU Fei . Progress in the Surface Protection Technology of Aerospace Ultra-High Strength Steel[J]. Materials Protection, 2024 , 57(10) : 87 -101 . DOI: 10.16577/j.issn.1001-1560.2024.0228

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