Optimization of the intermediate layer friction stir spot welding process

Name: Optimization of the intermediate layer friction stir spot welding process
Author: Bajilane, Isam Jabbar Ibrahim, Yapıcı, Güney Güven

İsim	Optimization of the intermediate layer friction stir spot welding process
Yazar	Bajilane, Isam Jabbar Ibrahim, Yapıcı, Güney Güven
Basım Tarihi:	2019-09
Basım Yeri	- Springer Nature
Konu	Friction stir spot welding, Aluminum, Keyhole, Optimization, Lap shear
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	0268-3768
Kayıt Numarası	39c3b86d-987e-468b-9784-29acc575a26a
Lokasyon	Mechanical Engineering
Tarih	2019-09
Notlar	Ozyegin University
Örnek Metin	Friction stir spot welding was performed for joining sheets of 2024 and 6061 aluminum alloys, which is otherwise difficult using conventional welding techniques. The presented approach utilizes an intermediate layer to avoid the keyhole problem. Design of experiment analysis was carried out to evaluate the influence of process parameters. The optimized set of parameters led to the fabrication of sound joints with strength properties exceeding twice the applicable standard requirements as discussed with the evidence of branched hook formations with extensive penetration. Tool rotational speed was determined to be the most significant parameter influencing the mechanical performance. The failure mode revealed itself as sheet tearing-nugget pull out in the joints produced under optimum conditions with various sized dimples apparent on the fracture surface.
DOI	10.1007/s00170-019-03952-3
Cilt	104

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Optimization of the intermediate layer friction stir spot welding process

Yazar Bajilane, Isam Jabbar Ibrahim, Yapıcı, Güney Güven

Basım Tarihi 2019-09

Basım Yeri - Springer Nature

Konu Friction stir spot welding, Aluminum, Keyhole, Optimization, Lap shear

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 0268-3768

Kayıt Numarası 39c3b86d-987e-468b-9784-29acc575a26a

Lokasyon Mechanical Engineering

Tarih 2019-09

Notlar Ozyegin University

Örnek Metin Friction stir spot welding was performed for joining sheets of 2024 and 6061 aluminum alloys, which is otherwise difficult using conventional welding techniques. The presented approach utilizes an intermediate layer to avoid the keyhole problem. Design of experiment analysis was carried out to evaluate the influence of process parameters. The optimized set of parameters led to the fabrication of sound joints with strength properties exceeding twice the applicable standard requirements as discussed with the evidence of branched hook formations with extensive penetration. Tool rotational speed was determined to be the most significant parameter influencing the mechanical performance. The failure mode revealed itself as sheet tearing-nugget pull out in the joints produced under optimum conditions with various sized dimples apparent on the fracture surface.

DOI 10.1007/s00170-019-03952-3

Cilt 104