Fretting fatigue behavior of Ti6Al4V dovetail structure under shot peening and salt spray corrosion treatment

Fretting fatigue behavior of Ti6Al4V dovetail structure under shot peening and salt spray corrosion treatment | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 4 September 2025 V1 Latest version Share on Fretting fatigue behavior of Ti6Al4V dovetail structure under shot peening and salt spray corrosion treatment Authors : Zheng Wang , Zhi-Guo Wang , Yongfeng Zheng , Kai Sun , Shi Chen , Xiu-Yang Fang 0000-0003-2569-9113 [email protected] , and Zhen-Bing Cai 0000-0001-5640-1186 Authors Info & Affiliations https://doi.org/10.22541/au.175696218.82326660/v1 Published Journal of Materials Science Version of record Peer review timeline 126 views 96 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract The surface integrity and fretting fatigue behavior of Ti6Al4V dovetail structure treated by shot peening (SP), salt spray corrosion (SS) and shot peening combined with salt spray corrosion (SP+SS), respectively were studied. The findings indicate that SP introduces residual compressive stress (RCS) layer and hardened layer. The SS causes the development of pitting pits and corrosion products, induces intergranular corrosion in SP samples, triggering the release of RCS introduced by SP. Compared with AS samples, the fatigue lifetime of SP and SS samples are respectively increased and decreased by 162% and 41%, and the cracks initiation and propagation mechanisms are changed. Compared with SP samples, the fatigue lifetime of SP+SS samples was shortened by 24% but the fatigue damage form and crack initiation mechanism did not change. SP treatment benefits from the plastic deformation caused by surface dislocations, which improves the crack initiation life. SS treatment generates the corrosion pits of surface, manifested as notch effect and reduces the crack initiation life. Supplementary Material File (manuscript.docx) Download 11.28 MB Information & Authors Information Version history V1 Version 1 04 September 2025 Peer review timeline Published Journal of Materials Science Version of Record 24 Feb 2026 Published Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords fretting fatigue shot-peening surface treatment Authors Affiliations Zheng Wang Southwest Jiaotong University School of Mechanical Engineering View all articles by this author Zhi-Guo Wang Southwest Jiaotong University School of Mechanical Engineering View all articles by this author Yongfeng Zheng Southwest Jiaotong University School of Mechanical Engineering View all articles by this author Kai Sun Shanghai Aircraft Manufacturing Co Ltd View all articles by this author Shi Chen Shanghai Aircraft Manufacturing Co Ltd View all articles by this author Xiu-Yang Fang 0000-0003-2569-9113 [email protected] Southwest Jiaotong University School of Mechanical Engineering View all articles by this author Zhen-Bing Cai 0000-0001-5640-1186 Southwest Jiaotong University School of Mechanical Engineering View all articles by this author Metrics & Citations Metrics Article Usage 126 views 96 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Zheng Wang, Zhi-Guo Wang, Yongfeng Zheng, et al. Fretting fatigue behavior of Ti6Al4V dovetail structure under shot peening and salt spray corrosion treatment. Authorea . 04 September 2025. DOI: https://doi.org/10.22541/au.175696218.82326660/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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