Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium

Abstract Ultrasonic surface deep rolling (USDR), oxygen boost diffusion (OBD), and their combination (USDR-OBD) were all used to improve the surface hardening of pure titanium. The microstructure, microhardness, and fatigue life of pure titanium treated by USDR, OBD, and USDR-OBD methods were analyz...

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Autores principales:	Xue-Fei Teng, Yun-Fei Jia, Cong-Yang Gong, Cheng-Cheng Zhang, Xian-Cheng Zhang, Shan-Tung Tu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/24afca3e1e764b77b92909e2353bc915
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spelling	oai:doaj.org-article:24afca3e1e764b77b92909e2353bc9152021-12-02T14:58:47ZEffect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium10.1038/s41598-021-97255-x2045-2322https://doaj.org/article/24afca3e1e764b77b92909e2353bc9152021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97255-xhttps://doaj.org/toc/2045-2322Abstract Ultrasonic surface deep rolling (USDR), oxygen boost diffusion (OBD), and their combination (USDR-OBD) were all used to improve the surface hardening of pure titanium. The microstructure, microhardness, and fatigue life of pure titanium treated by USDR, OBD, and USDR-OBD methods were analyzed. USDR treatment induced a severe deformation area, while OBD treatment produced a brittle oxygen diffusion zone. The USDR-OBD treated samples approached the highest hardness in comparison with other treated samples. The fatigue lives of USDR treated samples were improved, which was due to the high compressive residual stress and refined grains. However, the fatigue lives of both OBD treated samples and USDR-OBD treated samples were decreased due to premature crack initiation and rapid propagation in the oxygen diffusion zone. Finally, the fatigue fracture mechanisms of different samples were proposed.Xue-Fei TengYun-Fei JiaCong-Yang GongCheng-Cheng ZhangXian-Cheng ZhangShan-Tung TuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xue-Fei Teng Yun-Fei Jia Cong-Yang Gong Cheng-Cheng Zhang Xian-Cheng Zhang Shan-Tung Tu Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
description	Abstract Ultrasonic surface deep rolling (USDR), oxygen boost diffusion (OBD), and their combination (USDR-OBD) were all used to improve the surface hardening of pure titanium. The microstructure, microhardness, and fatigue life of pure titanium treated by USDR, OBD, and USDR-OBD methods were analyzed. USDR treatment induced a severe deformation area, while OBD treatment produced a brittle oxygen diffusion zone. The USDR-OBD treated samples approached the highest hardness in comparison with other treated samples. The fatigue lives of USDR treated samples were improved, which was due to the high compressive residual stress and refined grains. However, the fatigue lives of both OBD treated samples and USDR-OBD treated samples were decreased due to premature crack initiation and rapid propagation in the oxygen diffusion zone. Finally, the fatigue fracture mechanisms of different samples were proposed.
format	article
author	Xue-Fei Teng Yun-Fei Jia Cong-Yang Gong Cheng-Cheng Zhang Xian-Cheng Zhang Shan-Tung Tu
author_facet	Xue-Fei Teng Yun-Fei Jia Cong-Yang Gong Cheng-Cheng Zhang Xian-Cheng Zhang Shan-Tung Tu
author_sort	Xue-Fei Teng
title	Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
title_short	Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
title_full	Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
title_fullStr	Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
title_full_unstemmed	Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
title_sort	effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/24afca3e1e764b77b92909e2353bc915
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Effect of ultrasonic surface deep rolling combined with oxygen boost diffusion treatment on fatigue properties of pure titanium

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