| High cycle and very high cycle fatigue behavior at two stress ratios of Ti 6Al 4V manufactured via laser powder bed fusion with different surface states | |
Fu, Rui; Zheng, Liang; Zhong, Zheng; Hong YS(洪友士)
| |
| Source Publication | FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
 |
| 2023 | |
| ISSN | 8756-758X |
| Abstract | The high cycle fatigue (HCF) and very high cycle fatigue (VHCF) behavior of Ti 6Al 4V manufactured by laser powder bed fusion (L PBF) was investigated to reveal the effects of surface roughness and stress ratio on fatigue performance. Fatigue tests were performed by an ultrasonic vibration machine with a frequency of 20 kHz. The fatigue strength of surface polished specimens is generally higher than that of as built specimens in HCF and VHCF regimes. Fatigue cracks initiated from the subsurface of as built and surface polished L PBF Ti 6Al 4V. The values of size and depth for the defects that acted as fatigue crack origins present large scattering for L PBF Ti 6Al 4V due to the interaction between surface roughness and subsurface defects. For surface polished L PBF Ti 6Al 4V, fatigue cracks have almost the same resistance to propagation at both stress ratios of R = 1 and 0.7. |
| Keyword | laser powder bed fusion stress ratio surface roughness Ti 6Al 4V very high cycle fatigue |
| DOI | 10.1111/ffe.13985 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000943391700001 |
| WOS Research Area | Engineering, Mechanical ; Materials Science, Multidisciplinary |
| WOS Subject | Engineering ; Materials Science |
| Funding Organization | National Natural Science Foundation of China [11932020, 11932005] ; Shenzhen Fundamental Research Program [JCYJ20180306171946292] |
| Classification | 二类 |
| Ranking | 1 |
| Contributor | Zhong, Z (corresponding author), Harbin Inst Technol Shenzhen, Sch Sci, Shenzhen 518055, Peoples R China. ; Hong, YS (corresponding author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China. |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/91885 |
| Collection | 非线性力学国家重点实验室 |
| Affiliation | 1.Harbin Inst Technol Shenzhen, Sch Sci, Shenzhen 518055, Peoples R China 2.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Fu, Rui,Zheng, Liang,Zhong, Zheng,et al. High cycle and very high cycle fatigue behavior at two stress ratios of Ti 6Al 4V manufactured via laser powder bed fusion with different surface states[J]. FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES,2023.Rp_Au:Zhong, Z (corresponding author), Harbin Inst Technol Shenzhen, Sch Sci, Shenzhen 518055, Peoples R China., Hong, YS (corresponding author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China. |
| APA | Fu, Rui,Zheng, Liang,Zhong, Zheng,&洪友士.(2023).High cycle and very high cycle fatigue behavior at two stress ratios of Ti 6Al 4V manufactured via laser powder bed fusion with different surface states.FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES. |
| MLA | Fu, Rui,et al."High cycle and very high cycle fatigue behavior at two stress ratios of Ti 6Al 4V manufactured via laser powder bed fusion with different surface states".FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES (2023). |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| Jp2023Fa346.pdf（3071KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment