Characterization of weld attributes in ultrasonic welding of short carbon fiber reinforced thermoplastic composites

Wang, Kaifeng; Shriver, Daniel; Li, Yang; Banu, Mihaela; Hu, S. Jack; Xiao, Guoxian; Arinez, Jorge; Fan, Hua Tzu

doi:10.1016/j.jmapro.2017.07.024

Cited by 66 publications

(21 citation statements)

References 24 publications

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“…Weld energy, weld time and vertical displacement during welding are mutually exclusive as well. The quality of welding depends upon the amount of input energy [48]. The input energy is calculated by the physical principles of ultrasonic technology, as given by Equation (1) [93]:…”

Section: Ultrasonic Welding Parametersmentioning

confidence: 99%

“…Harras et al showed that the optimum joint strength is more related to the total energy input parameter in the welding process than the weld time [34]. Wang et al showed that the welding energy is one of the dominating parameters to obtain good quality welding by using a two-level full factorial experiment [48]. Short fiber-reinforced composite with Nylon 6 as a resin without ED was investigated by varying the different energy inputs.…”

Section: Ultrasonic Welding Parametersmentioning

confidence: 99%

“…Modeling work is carried out by Wang et al, to predict the Mode II shear by developing a surface-based cohesive model for 40% CF Nylon 6 composite laminates. The model was experimentally verified, and it can be effectively used to predict the composite weld joint properties under shear loading scenarios [48]. Also, detailed research is carried out to understand the influence of moisture absorption on the weld performance of carbon-fiber-reinforced Polyamide 66 composites under a static lap shear test.…”

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confidence: 99%

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Advances in Ultrasonic Welding of Thermoplastic Composites: A Review

et al. 2020

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The ultrasonic welding (UW) technique is an ultra-fast joining process, and it is used to join thermoplastic composite structures, and provides an excellent bonding strength. It is more cost-efficient as opposed to the conventional adhesive, mechanical and other joining methods. This review paper presents the detailed progress made by the scientific and research community to date in the direction of the UW of thermoplastic composites. The focus of this paper is to review the recent development of the ultrasonic welding technique for thermoplastic composites to thermoplastic composites, and to dissimilar materials. Different ultrasonic welding modes and their processing parameters, namely, weld time, weld pressure, amplitude, type of energy directors (EDs) affecting the welding quality and the advantages and disadvantages of UW over other bonding techniques, are summarized. The current state of the ultrasonic welding of thermoplastic composites and their future perspectives are also deliberated.

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Section: Ultrasonic Welding Parametersmentioning

confidence: 99%

Section: Ultrasonic Welding Parametersmentioning

confidence: 99%

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confidence: 99%

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Advances in Ultrasonic Welding of Thermoplastic Composites: A Review

et al. 2020

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“…Ageorges et al [122] gave a report for welding glass fiber and carbon fiber reinforced polyetherimide composite laminates. Other examples of polymer composites welding can also be found [123,124].…”

Section: Weld Between Dissimilar Polymersmentioning

confidence: 99%

Thermal Welding by the Third Phase Between Polymers: A Review for Ultrasonic Weld Technology Developments

et al. 2020

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Ultrasonic welding (USW) is a promising method for the welds between dissimilar materials. Ultrasonic thermal welding by the third phase (TWTP) method was proposed in combination with the formation of a third phase, which was confirmed as an effective technology for polymer welding between the two dissimilar materials compared with the traditional USW. This review focused on the advances of applying the ultrasonic TWTP for thermoplastic materials. The research development on the ultrasonic TWTP of polycarbonate (PC) and polymethyl methacrylate (PMMA), polylactic acid (PLA) and polyformaldehyde (POM), and PLA and PMMA are summarized according to the preparation of the third phase, welded strength, morphologies of rupture surfaces, thermal stability, and others. The review aimed at providing guidance for using ultrasonic TWTP in polymers and a basic understanding of the welding mechanism, i.e., interdiffusion and molecular motion mechanisms between the phases.

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“…Welding attributes of thermoplastics aids in the cost-effectiveness of the composite part to be manufactured in an industrial environment from forming until the finishing steps [3][4][5][6]. The most feasible welding techniques available for fusion bonding of thermoplastic composites are resistance [7][8][9], induction [8,[10][11][12][13][14][15] and ultrasonic welding [6,[16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35]. These behave differently in the way the heat is generated at the welding interface.…”

Section: Introductionmentioning

confidence: 99%

Investigation on Ultrasonic Welding Attributes of Novel Carbon/Elium® Composites

et al. 2020

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Joining large and complex polymer-matrix composite structures is becoming increasingly important in industries such as automobiles, aerospace, sports, wind turbines, and others. Ultrasonic welding is an ultra-fast joining process and also provides excellent joint quality as a cost-effective alternative to other joining processes. This research aims at investigating the welding characteristics of novel methyl methacrylate Elium ® , a liquid thermoplastic resin. Elium ® is the first of its kind of thermoplastic resin, which is curable at room temperature and is suitable for mass production processes. The welding characteristics of Elium ® composites were investigated by optimizing the welding parameters with specially designed integrated energy directors (ED) and manufactured using the Resin transfer molding process. The results showed a 23% higher lap shear strength for ultrasonically welded composite joints when compared to the adhesively bonded joints. The optimized welding time for the ultrasonic welded joint was found to be 1.5 s whereas it was 10 min for the adhesively bonded joint. Fractographic analysis showed the significant plastic deformation and shear cusps formation on the fractured surface, which are typical characteristics for strong interfacial bonding.

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Characterization of weld attributes in ultrasonic welding of short carbon fiber reinforced thermoplastic composites

Cited by 66 publications

References 24 publications

Advances in Ultrasonic Welding of Thermoplastic Composites: A Review

Advances in Ultrasonic Welding of Thermoplastic Composites: A Review

Thermal Welding by the Third Phase Between Polymers: A Review for Ultrasonic Weld Technology Developments

Investigation on Ultrasonic Welding Attributes of Novel Carbon/Elium® Composites

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