Improvement of resistance-spot-welded joints for DP 600 steel and A5052 aluminum alloy with Zn slice interlayer

Chen, Jianbin; Yuan, Xinjian; Hu, Zhan; Li, Ting; Wu, Kanglong; Li, Ci

doi:10.1016/j.jmapro.2017.10.009

Cited by 60 publications

(10 citation statements)

References 24 publications

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“…Teknologi di industri otomotif memiliki banyak metode pengelasan misalnya: ultrasonis spot welding [6][7] [8][9] [10], resistance spot welding [11] [12], friction stir welding [13], gas metal arc welding [14] dll. Friction stir sport welding merupakan variasi dari friction stir welding.…”

Section: Pendahuluanunclassified

Pengaruh Interlayer Zn Pada Kekuatan Mekanik Sambungan Friction Stir Spot Welding Material Alumuniun Paduan

Saputra¹

2021

PJSE

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Pemanasan global salah satunya disebabkan CO2 yang dihasilakan oleh kendaraan bermotor. Industri otomotif mulai mengembangkan teknologi untuk mengurangi gas buang yang mengandung CO2. Material alumunium yang ringan mampu meningkatkan efisiensi kendaraan. Pengelasan FSSW mampu mengambungkan material alumunium karena mimiliki sifat solid-state. Pengunaan interlayer mampu menurunkan terbentuknya hook defect. Hasil uji tarik geser tertinggi dengan menambahkan interlayer Zn (4.5kN), tanpa interlayer Zn (3.9kN). pengujian kekerasan vikers sambungan dengan interlayer Zn terletak pada pusat nugget pada dwell time 8s. Penggunaan interlayer Zn secara signifikan dapat meningkatkan kakuatan dan nilai kekekerasan sambungan

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Section: Pendahuluanunclassified

Pengaruh Interlayer Zn Pada Kekuatan Mekanik Sambungan Friction Stir Spot Welding Material Alumuniun Paduan

Saputra¹

2021

PJSE

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“…Results show the that reaction layer has no effect on tensile shear strength. Chen et al (2017) investigated the mechanical and microstructural properties of resistance spot-welded A5052 aluminum alloy and DP 600 steel with interlayer Zn slice. The joints were improved by 50µm interlayer of Zn.…”

Section: Literature Reviewmentioning

confidence: 99%

Impact of process parameters of resistance spot welding on mechanical properties and micro hardness of stainless steel 304 weldments

Kumar

Chohan

Goyal

et al. 2020

IJSI

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PurposeResistance spot welding (RSW) is an essential process in the automobile sector to join the components. The steel is the principal material utilized in car generation because of its high obstruction against erosion, toughness, ease of support and its recuperation potential. Due to this, it was planned to study the mechanical properties, hardness and microstructure characteristics of RSW of Stainless steel 304.Design/methodology/approachIn the present research, RSW of 304 stainless steel plates with 1 mm thickness and effect of current intensity, welding time, electrode pressure and holding time on nugget diameter, tensile strength microhardness and microstructure of the joints was investigated. The specimens were prepared according to the dimensions of 30 × 100 mm with 30 mm overlaps joint through the RSW machine. The tensile test of the specimen was carried out on a universal testing machine and microhardness of specimens measured using Vickers’s hardness tester. Taguchi L16 orthogonal array was used to scrutinize the significant parameters for each output.FindingsIt has been observed that the tensile strength of the specimen is affected by the current intensity and nugget diameter, and the weld time has a significant effect on the tensile strength. Microhardness is highly influenced by electrode pressure and holding time, as the increase in both these parameters resulted in the increase of microhardness. This is due to rapid cooling, which is done by the cooling water flowing through the copper electrodes.Originality/valueThis study was carried out using a copper electrode with a flat face with selected parameters and response factors. The study can be useful for researchers working on optimization of welding parameters on stainless steel.

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“…Chen et al shows that the formation of intermetallic phases in steel aluminum joints is a result of diffusion. They used the resistance spot welding process for joining A5052 and DP 600 [10]. An additional layer of zinc or nickel between the two materials impacts the diffusion and the growth of intermetallic compounds [11,12].…”

Section: Introductionmentioning

confidence: 99%

Soldering of steel sheets and zinc-coated aluminum by hybrid composite forging

2020

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In lightweight construction, light metals like aluminum are used in addition to high-strength steels. However, a welded joint of aluminum and steel leads to the precipitation of brittle, intermetallic phases and contact corrosion. Nevertheless, to use the advantages of this combination in terms of weight saving, composite hybrid forging has been developed. In this process, an aluminum solid part and a steel sheet were formed in a single step and joined at the same time with zinc as brazing material. For this purpose, the zinc was applied by hot dipping on the aluminum in order to produce a Brazing via these layers in a forming process, under pressure and heat. Due to the formed intermediate layer of zinc, the formation of the Fe-Al intermetallic phases and the contact corrosion are excluded. By determining the mathematical relationships between joining parameters and the mechanical properties of the joint, the strength of a specific joint geometry could be adjusted to reach the level of conventional joining techniques. In addition to the presentation of the joint properties, the influence of the joining process on the structure of the involved materials will be shown. Furthermore, the failure behavior under static tensile and shear stress will be shown.

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Improvement of resistance-spot-welded joints for DP 600 steel and A5052 aluminum alloy with Zn slice interlayer

Cited by 60 publications

References 24 publications

Pengaruh Interlayer Zn Pada Kekuatan Mekanik Sambungan Friction Stir Spot Welding Material Alumuniun Paduan

Pengaruh Interlayer Zn Pada Kekuatan Mekanik Sambungan Friction Stir Spot Welding Material Alumuniun Paduan

Impact of process parameters of resistance spot welding on mechanical properties and micro hardness of stainless steel 304 weldments

Soldering of steel sheets and zinc-coated aluminum by hybrid composite forging

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