Mechanical characterization of AA5083 aluminum alloy welded using resistance spot welding for the lightweight automobile body fabrication

Deepati, Anil Kumar; Alhazmi, Waleed; Benjeer, Indira

doi:10.1016/j.matpr.2021.01.646

Cited by 32 publications

(15 citation statements)

References 36 publications

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“…Sac levhaların kaynatılacak temas yüzeyleri elektrotların yüzeyleri arasına merkezlenerek yerleştirilir ve süreç başlatılır. DNK çevrimi için örnek bir grafik Şekil 2'de verilmiştir [3]. DNK uygulanacak parçalarda DPK'daki gibi projeksiyon kabarcıkları bulunmaz.…”

Section: Direnç Nokta Kaynağıunclassified

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Orta Frekans Doğru Akım Direnç Nokta Kaynak Sistemlerinde Kullanılan Evirici Topolojilerinin İncelenmesi

ÖZENSOY¹,

UYAR

2021

International Journal of Innovative Engineering Applications

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Review paperResistance spot welding (RSW) is a metal joining method that is widely used, especially in the automotive industry. Welding technologies are also developing in parallel with the developments in the industry. Traditional alternating current resistance spot welding systems (AC-RSW) are being replaced by new generation medium frequency direct current resistance spot welding (MFDC-RSW) systems. In addition, MFDC-RSW is one of the high energy efficient methods that can work in harmony with robots that have an important role in Industry 4.0. In this study, resistance welding methods, which have an important place in welding technology, are classified and the developments in the new generation MFDC-RSW systems are examined. The advantages and disadvantages of the stated welding method are compared with conventional AC-RSW systems. In addition, the inverter topology of MFDC-RSW systems based on power electronics technology has been examined.

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Section: Direnç Nokta Kaynağıunclassified

“…Kalifiye operatör gereksinimi düşüktür, verilmesi gereken eğitim basittir. Operasyon süresinde yüksek hızlara çıkılabilmesi ve uygulama sürecinin otomatikleştirilebilmesi gibi nedenlerle seri üretimde çok kullanılır [3]. Kaynak sistemlerinin verimliliğinin arttırılması için sürekli bir iyileştirme çabası harcanmaktadır.…”

Section: Introductionunclassified

Orta Frekans Doğru Akım Direnç Nokta Kaynak Sistemlerinde Kullanılan Evirici Topolojilerinin İncelenmesi

ÖZENSOY¹,

UYAR

2021

International Journal of Innovative Engineering Applications

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“…Although these metals offer significant mechanical strength, their usage in car bodies has somewhat declined in recent times. This decrease can be attributed to their substantial weight and susceptibility to corrosion and oxidation in areas that are scratched or damaged 12 . Polymer composites, as nonmetal materials, offer a range of advantages such as lightweight construction, diverse applications, and corrosion resistance, making them formidable contenders for replacing metals in the automotive industry 13–17 .…”

Section: Introductionmentioning

confidence: 99%

The effects of graphene oxide addition on low velocity impact performance of aramid fiber reinforced epoxy composites

Azimpour‐Shishevan,

Mohtadi‐Bonab,

Rahmatinejad

2023

J of Applied Polymer Sci

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In this study, the impact of incorporating graphene oxide (GO) nanoparticles into the matrix of aramid fiber reinforced polymer (AFRP) composites was investigated. The GO nanoparticles were dispersed in the AFRP matrix at three different weight percentages: 0.1%, 0.3%, and 0.5%. The fabrication of the GO dispersed AFRP nanocomposites was achieved using the vacuum assisted resin infusion molding (VARIM) method, and the AFRP plates were cut using a water jet. The sectioned specimens of the fabricated nanocomposites were subjected to low velocity impact tests. The effects of introducing GO nanoparticles at different percentages were evaluated by analyzing the contact force, deflection, maximum absorbed energy versus time and contact force versus deflection curves. Finally, the key parameters of low velocity impact, including contact force, deflection, and maximum absorbed energy, were compared for the different fabricated AFRP nanocomposites. Based on the results, the AFRP composite with 0.3 wt.% of GO nanoparticles exhibited the best performance under low velocity impact loading conditions. However, the agglomeration of nanoparticles became a significant challenge when higher percentages of GO nanoparticles were added to the composite structure. The findings highlight the importance of determining the optimal percentage of nano materials for incorporation into composite structures.

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“…For example, fusion-welded base materials have large deformation and thermal zones, which are prone to cracking [2]. In addition, ceramic materials or high temperature materials cannot be bonded with Al alloys [3], and the resultant porosity is inappropriate for a vacuum chamber material [4]. Fusion welding also has a slow welding speed and high cost [5]; in addition, only butt bonding, and not face-to-face bonding, can be performed, and reactive metals cannot be heterogeneously bonded [6].…”

Section: Introductionmentioning

confidence: 99%

Effects of Surface Roughness on the Diffusion Bonding of 2024 Aluminum Alloy

Lee¹,

Chang²,

Sun³

et al. 2022

Proceedings of the 8th World Congress on Mechanical, Chemical, and Material Engineering

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The interfacial microstructure and shear strength properties of solid-state diffusion bonded 2024 aluminium alloy were investigated under varied surface roughness. The results indicated a high strength of 79.7 MPa for specimens electro-polished after diffusion bonding at 490°C for 120 min under pressure of 5 MPa, approximately 10 times above the minimally required shear strength of 7.9 MPa of the MIL-STD-883G specification. It was also found that the shear strength increased with increases in bonding temperature from 440°C to 490°C and bonding time from 30 to 240 min.

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Mechanical characterization of AA5083 aluminum alloy welded using resistance spot welding for the lightweight automobile body fabrication

Cited by 32 publications

References 36 publications

Orta Frekans Doğru Akım Direnç Nokta Kaynak Sistemlerinde Kullanılan Evirici Topolojilerinin İncelenmesi

Orta Frekans Doğru Akım Direnç Nokta Kaynak Sistemlerinde Kullanılan Evirici Topolojilerinin İncelenmesi

The effects of graphene oxide addition on low velocity impact performance of aramid fiber reinforced epoxy composites

Effects of Surface Roughness on the Diffusion Bonding of 2024 Aluminum Alloy

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