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Effect of Reverse-threaded Pin on Mechanical Properties of Friction Stir Lap Welded Alclad 2024 Aluminum Alloy
Alternative TitleEffect of Reverse-threaded Pin on Mechanical Properties of Friction Stir LapWelded Alclad 2024 Aluminum Alloy
Yue Yumei1; Li Zhengwei1; Ji Shude1; Huang Yongxian2; Zhou Zhenlu1
2016
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume32Issue:7Pages:671-675
AbstractIn friction stir welding (FSW), tool geometry plays an important role in joint quality. In order to improve mechanical properties of friction stir lap welding (FSLW) joint, a tool with a reverse-threaded pin was designed in the present study. Using 2024-T4 aluminum alloy as the research object, tools with the full-threaded pin and reverse-threaded pin were used in FSLW. Results showed that, when using the same parameter combination, FSLW joint using the reverse-threaded pin owned bigger effective sheet thickness ( EST), bigger lap width and better lap shear failure strength. Compared with the full-threaded pin, fracture mode of the FSLW joint changed from shear fracture mode to tensile fracture mode when the reverse-threaded pin was used. Fracture morphologies presented ductile fracture. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited.
Other AbstractIn friction stir welding (FSW), tool geometry plays an important role in joint quality. In order to improve mechanical properties of friction stir lap welding (FSLW) joint, a tool with a reverse-threaded pin was designed in the present study. Using 2024-T4 aluminum alloy as the research object, tools with the fullthreaded pin and reverse-threaded pin were used in FSLW. Results showed that, when using the same parameter combination, FSLW joint using the reverse-threaded pin owned bigger effective sheet thickness (EST), bigger lap width and better lap shear failure strength. Compared with the full-threaded pin, fracture mode of the FSLW joint changed from shear fracture mode to tensile fracture mode when the reverse-threaded pin was used. Fracture morphologies presented ductile fracture.
KeywordTOOL GEOMETRY FEATURES SHEETS JOINTS SHOULDER STRENGTH DEFECT Friction stir lap welding Reverse-threaded pin Hook Fracture position
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Natural Science Foundation of Liaoning Province] ; [Project of Science and Technology Department of Liaoning Province] ; [Aeronautical Science Foundation of China]
CSCD IDCSCD:5746153
Citation statistics
Cited Times:9[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/149215
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Harbin Institute Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Recommended Citation
GB/T 7714
Yue Yumei,Li Zhengwei,Ji Shude,et al. Effect of Reverse-threaded Pin on Mechanical Properties of Friction Stir Lap Welded Alclad 2024 Aluminum Alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2016,32(7):671-675.
APA Yue Yumei,Li Zhengwei,Ji Shude,Huang Yongxian,&Zhou Zhenlu.(2016).Effect of Reverse-threaded Pin on Mechanical Properties of Friction Stir Lap Welded Alclad 2024 Aluminum Alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,32(7),671-675.
MLA Yue Yumei,et al."Effect of Reverse-threaded Pin on Mechanical Properties of Friction Stir Lap Welded Alclad 2024 Aluminum Alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 32.7(2016):671-675.
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