Metallurgical and Mechanical Properties of Al–Cu Joint by Friction Stir Spot Welding and Modified Friction Stir Clinching

Pingqiang  Gao; Yan Zhang; Kush Mehta

doi:10.1007/s12540-020-00759-w

Metallurgical and Mechanical Properties of Al–Cu Joint by Friction Stir Spot Welding and Modified Friction Stir Clinching

Pingqiang Gao, Yan Zhang, Kush Mehta^*

^*Tämän työn vastaava kirjoittaja

Energia- ja konetekniikan laitos

Tutkimustuotos: Lehtiartikkeli › Letter › Scientific › vertaisarvioitu

29 Sitaatiot (Scopus)

158 Lataukset (Pure)

Abstrakti

Abstract: Dissimilar joints of AA5083 and pure Cu joint are successfully produced and compared by friction stir spot welding and modified friction stir clinching with intermediate layer of Zn interlayer for the first time. Self-reacting behavior of Zn is observed to obtain sound welds resulted from intermixing in stir zone (in FSSW), refilled zone (in MFSC) and brazed zone (in both FSSW and MFSC). MFSC is used to fill the cavity of keyhole that in turn increased 40% strength of dissimilar Cu–Al joints. Presence of lamellar eutectics in brazed zone and intermetallic compounds such as Al2Cu, Al4Cu9, CuZn5 and Cu4Zn in weld zone are confirmed in Cu–Al MFSC joints. Graphic Abstract: [Figure not available: see fulltext.]

Alkuperäiskieli	Englanti
Sivut	3085-3094
Sivumäärä	10
Julkaisu	METALS AND MATERIALS INTERNATIONAL
Vuosikerta	27
Numero	8
Varhainen verkossa julkaisun päivämäärä	5 kesäk. 2020
DOI - pysyväislinkit	https://doi.org/10.1007/s12540-020-00759-w
Tila	Julkaistu - elok. 2021
OKM-julkaisutyyppi	B1 Kirjoitus tieteellisessä aikakauslehdessä

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10.1007/s12540-020-00759-w

ENG_Gao_et_al_Metallurgical_and_mechanical_properties_Metals_and_Materials_InternationalAccepted author manuscript, 3,22 MB

https://link.springer.com/article/10.1007/s12540-020-00759-w

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@article{2b24d0c6caf44f578050f6d7e5ba6b5e,

title = "Metallurgical and Mechanical Properties of Al–Cu Joint by Friction Stir Spot Welding and Modified Friction Stir Clinching",

abstract = "Abstract: Dissimilar joints of AA5083 and pure Cu joint are successfully produced and compared by friction stir spot welding and modified friction stir clinching with intermediate layer of Zn interlayer for the first time. Self-reacting behavior of Zn is observed to obtain sound welds resulted from intermixing in stir zone (in FSSW), refilled zone (in MFSC) and brazed zone (in both FSSW and MFSC). MFSC is used to fill the cavity of keyhole that in turn increased 40% strength of dissimilar Cu–Al joints. Presence of lamellar eutectics in brazed zone and intermetallic compounds such as Al2Cu, Al4Cu9, CuZn5 and Cu4Zn in weld zone are confirmed in Cu–Al MFSC joints. Graphic Abstract: [Figure not available: see fulltext.]",

keywords = "Al–Cu, Dissimilar welding, Microstructural evolution, Modified friction stir clinching, Zn interlayer",

author = "Pingqiang Gao and Yan Zhang and Kush Mehta",

year = "2021",

month = aug,

doi = "10.1007/s12540-020-00759-w",

language = "English",

volume = "27",

pages = "3085--3094",

journal = "METALS AND MATERIALS INTERNATIONAL",

issn = "1598-9623",

publisher = "Korean Institute of Metals and Materials",

number = "8",

}

TY - JOUR

T1 - Metallurgical and Mechanical Properties of Al–Cu Joint by Friction Stir Spot Welding and Modified Friction Stir Clinching

AU - Gao, Pingqiang

AU - Zhang, Yan

AU - Mehta, Kush

PY - 2021/8

Y1 - 2021/8

N2 - Abstract: Dissimilar joints of AA5083 and pure Cu joint are successfully produced and compared by friction stir spot welding and modified friction stir clinching with intermediate layer of Zn interlayer for the first time. Self-reacting behavior of Zn is observed to obtain sound welds resulted from intermixing in stir zone (in FSSW), refilled zone (in MFSC) and brazed zone (in both FSSW and MFSC). MFSC is used to fill the cavity of keyhole that in turn increased 40% strength of dissimilar Cu–Al joints. Presence of lamellar eutectics in brazed zone and intermetallic compounds such as Al2Cu, Al4Cu9, CuZn5 and Cu4Zn in weld zone are confirmed in Cu–Al MFSC joints. Graphic Abstract: [Figure not available: see fulltext.]

AB - Abstract: Dissimilar joints of AA5083 and pure Cu joint are successfully produced and compared by friction stir spot welding and modified friction stir clinching with intermediate layer of Zn interlayer for the first time. Self-reacting behavior of Zn is observed to obtain sound welds resulted from intermixing in stir zone (in FSSW), refilled zone (in MFSC) and brazed zone (in both FSSW and MFSC). MFSC is used to fill the cavity of keyhole that in turn increased 40% strength of dissimilar Cu–Al joints. Presence of lamellar eutectics in brazed zone and intermetallic compounds such as Al2Cu, Al4Cu9, CuZn5 and Cu4Zn in weld zone are confirmed in Cu–Al MFSC joints. Graphic Abstract: [Figure not available: see fulltext.]

KW - Al–Cu

KW - Dissimilar welding

KW - Microstructural evolution

KW - Modified friction stir clinching

KW - Zn interlayer

UR - http://www.scopus.com/inward/record.url?scp=85086032560&partnerID=8YFLogxK

U2 - 10.1007/s12540-020-00759-w

DO - 10.1007/s12540-020-00759-w

M3 - Letter

SN - 1598-9623

VL - 27

SP - 3085

EP - 3094

JO - METALS AND MATERIALS INTERNATIONAL

JF - METALS AND MATERIALS INTERNATIONAL

IS - 8

ER -

Metallurgical and Mechanical Properties of Al–Cu Joint by Friction Stir Spot Welding and Modified Friction Stir Clinching

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