Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II-effect of multi-pass repair welding

doi:10.1007/s10853-023-09209-5

IMR OpenIR

	Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II-effect of multi-pass repair welding
	Wang, Zhenlin 1,2; Zhu, Wenli 3; Zhang, Zhen 1,2; Wang, Beibei 1; Xue, Peng 1,2; Ni, Dingrui 1,2; Liu, Fengchao 1; Xiao, Bolv 1,2; Ma, Zongyi 1,2; Wang, Feifan 3; Zheng, Weidong 3
通讯作者	Zhang, Zhen(zhangzhen@imr.ac.cn) ; Ni, Dingrui(drni@imr.ac.cn)
	2024-06-01
发表期刊	JOURNAL OF MATERIALS SCIENCE
ISSN	0022-2461
卷号	59 期号:22 页码:9697-9713
摘要	During the fabrication of fuel tanks by adopting friction stir welding (FSW), welding defects were almost unavoidable. The multi-pass repair FSW is the preferred repair welding technique for fuel tanks. However, the effect of muti-pass repair FSW on the microstructure and mechanical properties of dissimilar FSW 2219Al/2195Al joints lacks of investigation. In the present study, 2219Al-T8/2195Al-T8 plates were subjected to 1 similar to 3 passes repair FSW under 600 rpm-200 mm min(-1) based on the initial joint 800 rpm-200 mm min(-1) with placing 2219Al-T8 plates on the advancing side (AS). The results showed that, sound 1-3 passes repair FSW joints were obtained. The low hardness zone (LHZ) on the 2219Al-T8 side, characterized by the dissolution/coarsening of theta ' (Al2Cu) precipitates, showed the minimum hardness in the initial joint. Compared to the initial joint, the 1-3 passes repair FSW resulted in the moving of the location of LHZs far away from the weld center and coarser theta precipitates with higher density, and the hardness of the LHZ therefore decreased on the 2219Al-T8 side. The joint strength at-196 degrees C was much higher than that at room temperature for both the initial and repair FSW joints. The 1 pass repair FSW weakened the joint strength at both the room temperature and -196 degrees C. When increasing the repair pass from 1 to 2 and 3, the joint strength further decreased at room temperature but was unchanged at -196 degrees C. The enlarged hardness gap between the nugget zone (NZ) and LHZ caused the narrowing of the necking zone at the LHZ on the 2219Al-T8 side for the multi-pass repair FSW joints. The material flow uniformity at the top of the NZ was improved by the 1 similar to 3 passes repair FSW, making the up bending failure location changing from the "S" line for the initial joint to the HAZ on the 2195Al-T8 side for the repair FSW joints.
资助者	National Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Liaoning Province Excellent Youth Foundation ; Natural Science Foundation of Liaoning Province ; Science & Technology of Heilongjiang Province's Hundred, Thousand and Ten Thousand project ; Bintech-IMR RD Program
DOI	10.1007/s10853-023-09209-5
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[U21B6004] ; National Natural Science Foundation of China[52275392] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[Y2021061] ; Liaoning Province Excellent Youth Foundation[2021-YQ-01] ; Natural Science Foundation of Liaoning Province[2021-MS-011] ; Science & Technology of Heilongjiang Province's Hundred, Thousand and Ten Thousand project[2020ZX03A03] ; Bintech-IMR RD Program[GYYJSBU-2022-002]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:001376964600005
出版者	SPRINGER
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/181072
专题	中国科学院金属研究所
通讯作者	Zhang, Zhen; Ni, Dingrui
作者单位	1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.China Acad Launch Vehicle Technol, Beijing 100076, Peoples R China
推荐引用方式 GB/T 7714	Wang, Zhenlin,Zhu, Wenli,Zhang, Zhen,et al. Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II-effect of multi-pass repair welding[J]. JOURNAL OF MATERIALS SCIENCE,2024,59(22):9697-9713.
APA	Wang, Zhenlin.,Zhu, Wenli.,Zhang, Zhen.,Wang, Beibei.,Xue, Peng.,...&Zheng, Weidong.(2024).Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II-effect of multi-pass repair welding.JOURNAL OF MATERIALS SCIENCE,59(22),9697-9713.
MLA	Wang, Zhenlin,et al."Dissimilar friction stir welding of 2219-T8 and 2195-T8 aluminum alloys for fuel tanks: part II-effect of multi-pass repair welding".JOURNAL OF MATERIALS SCIENCE 59.22(2024):9697-9713.