| Effect of constraint on fracture performance of Ti6Al4V alloy fabricated by laser powder bed fusion | |
Xiao YM(肖应梦); Sun JY(孙经雨); Qian GA(钱桂安)
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| Corresponding Author | Qian, Guian([email protected]) |
| Source Publication | THEORETICAL AND APPLIED FRACTURE MECHANICS
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| 2024-06-01 | |
| Volume | 131Pages:11 |
| ISSN | 0167-8442 |
| Abstract | Laser powder bed fusion (LPBF) is increasingly being used as an alternative to traditional manufacturing in the aerospace and biomedical industries. The effect of constraint on fracture performance is a crucial issue in assessing the integrity of engineering applications. This paper aims to better understand the fracture performance of Ti6Al4V components with different constraint levels produced by LPBF. Fracture toughness tests were performed on compact tensile (CT) specimens with varying crack length and specimen thickness. The results show that the fracture toughness decreases with increasing crack length, while the fracture toughness shows a large fluctuation with specimen thickness because of LPBF manufacturing defects. Both in-plane and out-of-plane constraint effects of a crack subjected to mode-I loading are analyzed by three-parameter K-T11-T33 method. A correlation line between fracture toughness and normalized T11 stress is established, which can be used to transform fracture properties of specimens with different constraint levels. |
| Keyword | Laser powder bed fusion Fracture property Constraint effect Ti6Al4V alloy K-T-11-T-33 method |
| DOI | 10.1016/j.tafmec.2024.104459 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:001241816300001 |
| WOS Keyword | OF-PLANE CONSTRAINT ; CRACK BORDER FIELD ; TRIAXIALITY PARAMETER ; METALLIC COMPONENTS ; FATIGUE RESISTANCE ; STRESS-FIELDS ; TOUGHNESS ; INPLANE ; FAMILY ; GROWTH |
| WOS Research Area | Engineering ; Mechanics |
| WOS Subject | Engineering, Mechanical ; Mechanics |
| Funding Project | National Natural Science Foundation of China[11932020] ; National Natural Science Foundation of China[12072345] ; National Natural Science Foundation of China[12272377] ; National Science and Technology Major Project[J2019 -VI -0012-0126] ; International Partnership Program for Grand Challenges of Chinese Academy of Sci- ences[025GJHZ2023092GC] |
| Funding Organization | National Natural Science Foundation of China ; National Science and Technology Major Project ; International Partnership Program for Grand Challenges of Chinese Academy of Sci- ences |
| Classification | 一类 |
| Ranking | 1 |
| Contributor | Qian, Guian |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/95606 |
| Collection | 非线性力学国家重点实验室 |
| Recommended Citation GB/T 7714 | Xiao YM,Sun JY,Qian GA. Effect of constraint on fracture performance of Ti6Al4V alloy fabricated by laser powder bed fusion[J]. THEORETICAL AND APPLIED FRACTURE MECHANICS,2024,131:11.Rp_Au:Qian, Guian |
| APA | 肖应梦,孙经雨,&钱桂安.(2024).Effect of constraint on fracture performance of Ti6Al4V alloy fabricated by laser powder bed fusion.THEORETICAL AND APPLIED FRACTURE MECHANICS,131,11. |
| MLA | 肖应梦,et al."Effect of constraint on fracture performance of Ti6Al4V alloy fabricated by laser powder bed fusion".THEORETICAL AND APPLIED FRACTURE MECHANICS 131(2024):11. |
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