Repairing of exit-hole in dissimilar Al-Mg friction stir welding: Process and microstructural pattern

被引：38

作者：

Mehta, Kush P. ^{[1
,2
]}

Patel, Rahul ^{[1
,3
]}

Vyas, Hardik ^{[1
]}

Memon, Shabbir ^{[4
]}

Vilaca, Pedro ^{[2
]}

机构：

[1] Pandit Deendayal Petr Univ, Sch Technol, Dept Mech Engn, Raisan, Gandhinagar, India

[2] Aalto Univ, Sch Engn, Dept Mech Engn, Adv Mfg & Mat Grp, Espoo, Finland

[3] Shankersinh Vaghela Bapu Inst Technol, Dept Mech Engn, Gandhinagar, India

[4] Wichita State Univ, Dept Mech Engn, Wichita, KS USA

来源：

MANUFACTURING LETTERS | 2020年 / 23卷

关键词：

Exit-hole; Friction stir welding; Microstructure; Repairing; Welding; ALUMINUM-ALLOY; KEYHOLE; STRENGTH; TOOL;

D O I：

10.1016/j.mfglet.2020.01.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The exit-hole is one major discontinuities in the friction based processes, where all the volume of the tool's probe is missing with a depth that corresponds to the full thickness of the processed component. This letter presents a new technique to repair the exit-hole of an Al-Mg friction stir welding, without any third body material with inexpensive probeless tooling, inducing forging, stirring, and thermomechanical consolidation of the local spot joint. Intercalated banned type structures with interpenetrating features were achieved. Composite type mixed structure was obtained at repaired zone with a local tensile strength of 159 MPa. (C) 2020 Society of Manufacturing Engineers (SME). Published by Elsevier Ltd. All rights reserved.

引用

页码：67 / 70

页数：4

共 18 条

[1] Keyhole refilled friction stir spot welding of aluminum alloy to advanced high strength steel [J].

Chen, Kai ;

Liu, Xun ;

Ni, Jun .

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2017, 249 :452-462

[2] Microstructures and properties of Mg alloy/DP600 steel dissimilar refill friction stir spot welds [J].

Chen, Y. ;

Chen, J. ;

Amirkhiz, B. Shalchi ;

Worswick, M. J. ;

Gerlich, A. P. .

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, 2015, 20 (06) :494-501

[3] AA7075 bit for repairing AA2219 keyhole by filling friction stir welding [J].

Han, Bing ;

Huang, Yongxian ;

Lv, Shixiong ;

Wan, Long ;

Feng, Jicai ;

Fu, Guansheng .

MATERIALS & DESIGN, 2013, 51 :25-33

[4] New technique of filling friction stir welding [J].

Huang, Y. X. ;

Han, B. ;

Tian, Y. ;

Liu, H. J. ;

Lv, S. X. ;

Feng, J. C. ;

Leng, J. S. ;

Li, Y. .

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, 2011, 16 (06) :497-501

[5] Conventional and cooling assisted friction stir welding of AA6061 and AZ31B alloys [J].

Mehta, Kush P. ;

Carlone, Pierpaolo ;

Astarita, Antonello ;

Scherillo, Fabio ;

Rubino, Felice ;

Vora, Poojan .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2019, 759 :252-261

[6] A review on friction-based joining of dissimilar aluminum-steel joints [J].

Mehta, Kush P. .

JOURNAL OF MATERIALS RESEARCH, 2019, 34 (01) :78-96

[7] A Review on Dissimilar Friction Stir Welding of Copper to Aluminum: Process, Properties, and Variants [J].

Mehta, Kush P. ;

Badheka, Vishvesh J. .

MATERIALS AND MANUFACTURING PROCESSES, 2016, 31 (03) :233-254

[8] Friction stir welding and processing [J].

Mishra, RS ;

Ma, ZY .

MATERIALS SCIENCE & ENGINEERING R-REPORTS, 2005, 50 (1-2) :1-78

[9] Modified friction stir clinching of dissimilar AA2024-T3 to AA7075-T6: Effect of tool rotational speed and penetration depth [J].

Paidar, Moslem ;

Ghavamian, Sara ;

Ojo, Olatunji Oladimeji ;

Khorram, Ali ;

Shahbaz, Amirhosein .

JOURNAL OF MANUFACTURING PROCESSES, 2019, 47 :157-171

[10] Modified friction stir clinching with protuberance-keyhole levelling: A process for production of welds with high strength [J].

Paidar, Moslem ;

Ojo, Olatunji Oladimeji ;

Moghanian, Amirhossein ;

Karapuzha, Amal Shaji ;

Heidarzadeh, Akbar .

JOURNAL OF MANUFACTURING PROCESSES, 2019, 41 :177-187

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