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Effect of Temperature on Material Transfer Behavior at Different Stages of Friction Stir Welded 7075-T6 Aluminum Alloy
Alternative TitleEffect of Temperature on Material Transfer Behavior at Different Stages of Friction Stir Welded 7075-T6 Aluminum Alloy
Ji S D1; Jin Y Y1; Yue Y M1; Gao S S1; Huang Y X2; Wang L1
2013
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume29Issue:10Pages:955-960
AbstractIn this work, the morphologies of weld of 7075-T6 aluminum alloy via friction stir welding (FSW) were analyzed by optical microscopy, the temperature field was attained by numerical simulation, and the effect of temperature on material transfer behavior in the thermal-mechanical affected zone (TMAZ) at different stages was mainly investigated. The FSW process consists of three stages. It is very interesting to find that the maximum transfer displacement of material appears at the final stage of welding process, then at the stable stage and at the initial stage, which results from the difference of peak temperatures at different stages. At any stage, the material in TMAZ near the surface of weld transfers downwards, the material in the middle of weld moves upwards and the material near the bottom of weld hardly moves. In any cross section of weld, the largest transfer displacement of material appears in the middle of weld. The increase of rotational velocity and the decrease of welding speed are both beneficial to the transfer displacement of material in the middle of weld.
Other AbstractIn this work, the morphologies of weld of 7075-T6 aluminum alloy via friction stir welding (FSW) were analyzed by optical microscopy, the temperature field was attained by numerical simulation, and the effect of temperature on material transfer behavior in the thermal-mechanical affected zone (TMAZ) at different stages was mainly investigated. The FSW process consists of three stages. It is very interesting to find that the maximum transfer displacement of material appears at the final stage of welding process, then at the stable stage and at the initial stage, which results from the difference of peak temperatures at different stages. At any stage, the material in TMAZ near the surface of weld transfers downwards, the material in the middle of weld moves upwards and the material near the bottom of weld hardly moves. In any cross section of weld, the largest transfer displacement of material appears in the middle of weld. The increase of rotational velocity and the decrease of welding speed are both beneficial to the transfer displacement of material in the middle of weld.
KeywordMATERIAL FLOW NUMERICAL-SIMULATION ROTATIONAL TOOL MICROSTRUCTURE PARAMETERS EVOLUTION GEOMETRY PLATE PIN Friction stir welding 7075-T6 aluminum alloy Thermal-mechanical affected zone Material transfer Numerical simulation
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Education Department Foundation of Liaoning Province] ; [State Key Lab of Advanced Welding and Joining in Harbin Institute of Technology]
CSCD IDCSCD:4951403
Citation statistics
Cited Times:11[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157823
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
Ji S D,Jin Y Y,Yue Y M,et al. Effect of Temperature on Material Transfer Behavior at Different Stages of Friction Stir Welded 7075-T6 Aluminum Alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2013,29(10):955-960.
APA Ji S D,Jin Y Y,Yue Y M,Gao S S,Huang Y X,&Wang L.(2013).Effect of Temperature on Material Transfer Behavior at Different Stages of Friction Stir Welded 7075-T6 Aluminum Alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,29(10),955-960.
MLA Ji S D,et al."Effect of Temperature on Material Transfer Behavior at Different Stages of Friction Stir Welded 7075-T6 Aluminum Alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 29.10(2013):955-960.
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