Tensile Fracture Behavior of Cu/Al Butt Friction Stir Welding: Role of Interface Morphology

Tra, Tran Hung; Okazaki, Masanori; Hao, Duong Dinh

doi:10.1007/s11665-021-06281-3

Cited by 7 publications

(5 citation statements)

References 17 publications

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“…With low welding temperature, friction stir welding (FSW) is considered as an effective solution for this connection. Successfulness of dissimilar FSWed joints between aluminum alloys to some metals were attained in previous researches [2][3][4][5].…”

Section: Introductionmentioning

confidence: 92%

Assessment of dissimilar friction stir welded AA6061/SS316 for sustainable industry

Ho,

Nguyen,

Duong

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Energy and environmental issues have played an important role in developing sustainable industries. The incorporation of lightweight materials into various structures enables a reduction in both weight and fuel consumption, resulting in saving energy. So, the selection of material and joining techniques have contributed significantly in these problems. This paper focused on the assessment of dissimilar lap-joint between AA6061 to SS316 using green technology as friction stir welding. The effect of welding parameters on the properties of joints was assessed. The test results showed that the welding interface is sensitive to rotational speed. The joint with the highest strength is approximately 6200 N at 700 rpm. In this case, the joint was fractured in heat effected zone on the aluminum side. The welding interface was revealed by using scanning electron microscope and energy-dispersive X-ray spectroscopy images to analyze the joint quality.

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Section: Introductionmentioning

confidence: 92%

Assessment of dissimilar friction stir welded AA6061/SS316 for sustainable industry

Ho,

Nguyen,

Duong

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…The schematic of friction stir FSWed lap-joint of AA6061 and C1100 alloys is depicted in Figure 1. Based on the practical experience in literature [8][9][10][11][12][13], four welding speeds are utilized to fabricate lap-joint, as shown in Table 3. The rotational speed was fi xed at the value of 900 rpm for all samples.…”

Section: Materials and Fabrication Of Lap-jointmentioning

confidence: 99%

“…While some studies have investigated FSW of Al-Cu joints [6,7], there are still gaps in understanding the optimal welding parameters for achieving high-strength welds. Although FSW technology has been successfully applied to aluminum alloy joints [8][9][10][11][12][13], its application in Al-Cu lap-joints is still limited in Vietnam.…”

Section: Introductionmentioning

confidence: 99%

Effect of welding speed on mechanical properties of dissimilar friction stir lap-joint welding between AA6061 and C1100 copper

Lê,

Quan Nguyen Minh,

Thuyen Van Phi

et al. 2024

JFST

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Nowadays, renewable energy such as wind and solar energy can be employed for marine application to enhance clean and green technology. So, using battery is necessary to apply power for ship activities. To contribute sustainable development, optimizing structure in electric transmission such as bimetal connector Cu-Al is necessary to improve joint quality. This study focused the influence of welding parameters on the quality of the lap-joint between AA6061 aluminum alloy and C1100 copper. Experimental results indicate that the welding interface was sensitive to welding speed. Some welding defect was found in the joint such as tunnel and hook defects. The highest tensile strength produced by the welding speed of 200 mm/min was approximately 1100 N. In all experimental regimes, the weld zone structure, hardness distribution, tensile strength, fracture location, and local deformation were analyzed and discussed in detail. Keywords: Friction stir welding, microstructure, mechanical properties, hardness

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“…In the present study, the weight r = 1 was selected. In a multi-response situation, the ideal case is when each individual desirability (d) is unity (1). In this case, the composite desirability (D) is also equal to 1.…”

Section: Analysis Of Desirability Functionmentioning

confidence: 99%

“…In recent years, developing materials with enhanced strength-to-weight ratio and toughness as well as low cost such as polymer-based nanocomposites is gaining attention in industries such as transportation. [1][2][3] Adding very small amounts of nanoparticles as the reinforcing material to polymers is used to meet the requirements of specific applications. 4 Among the various nanoparticles, clay has been shown to improve the properties of polymeric materials by developing polymer/clay nanocomposite.…”

Section: Introductionmentioning

confidence: 99%

Studying the influence of friction stir welding parameters on the mechanical properties of PP/EPDM/Clay nanocomposites by response surface methodology combined with desirability function approach

Rezaei

Arab

Ayaz³

2022

Journal of Thermoplastic Composite Materials

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The main objective of the present study is to investigate the influence of friction stir welding (FSW) parameters using a novel tool on the mechanical properties of polypropylene-ethylene-propylene diene monomer/clay (PP/EPDM/Clay) nanocomposite. The response surface method of design of experiments in combination with the desirability function approach is applied to quantify the effects of clay content, tool rotational speed, welding speed, and tool shoulder temperature on tensile strength and elongation of welded joints. It was observed that the tool rotational speed had the maximum effect on the tensile strength, while the greatest influence on the elongation was due to the tool shoulder temperature. The addition of clay nanoparticles up to 6 wt% into the PP matrix reduced the tensile strength and elongation of the weld by about 38% and 20%, respectively. Moreover, an improvement of about 45% was observed in the tensile strength when the rotational speed increased from 800 to 1600 r/min, while the tensile strength deteriorated by about 29% when the linear speed increased from 10 to 20 mm/s. A rise in shoulder temperature from 50 to 100°C was also accompanied by an enhancement in the tensile strength and elongation by 20 and 50%, respectively. Nevertheless, the desired operating conditions were found to be 0.85 wt% for clay, 1390 r/min for the tool rotational speed, 10 mm/min for the welding speed, and 100°C for the tool shoulder temperature. The fracture morphologies obtained by scanning electron microscopy (SEM) were in good agreement with corresponding tensile strength and elongation results.

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Tensile Fracture Behavior of Cu/Al Butt Friction Stir Welding: Role of Interface Morphology

Cited by 7 publications

References 17 publications

Assessment of dissimilar friction stir welded AA6061/SS316 for sustainable industry

Assessment of dissimilar friction stir welded AA6061/SS316 for sustainable industry

Effect of welding speed on mechanical properties of dissimilar friction stir lap-joint welding between AA6061 and C1100 copper

Studying the influence of friction stir welding parameters on the mechanical properties of PP/EPDM/Clay nanocomposites by response surface methodology combined with desirability function approach

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