Ultrasonic weld properties of heterogeneous polymers: Polylactide and poly (methyl methacrylate)

Zhang, Guohong; Qiu, Jianhui; Shao, Liang; Liu, Mingzhu; Zhang, Min; Wu, Yongbo

doi:10.1016/j.jmatprotec.2011.03.005

Cited by 24 publications

(21 citation statements)

References 10 publications

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“… Ultrasonic welding: a widely used, productive joining technology that can be easily automated and controlled. The seams created with ultrasonic welding are generally of good quality [25][26][27][34][35][36].…”

Section: Welding Technologiesmentioning

confidence: 99%

“…Zhang et al [27] investigated the effect of the parameters of ultrasonic welding on the bond strength of PLA and PMMA sheets joined together with ultrasonic welding. Before welding, a sheet of PLA/PMMA (manufactured in an injection moulding machine in 1:1 ratio) was fastened to the sonotrode of the ultrasonic welding machine, between the pure PLA and the pure PMMA sheets.…”

Section: Introductionmentioning

confidence: 99%

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Adherability and weldability of poly(lactic acid) and basalt fibre-reinforced poly(lactic acid)

Kiss

Temesi

Czigány

2017

Journal of Adhesion Science and Technology

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The adherability and weldability of pure poly(lactic acid) (PLA) and basalt fibre-reinforced PLA were investigated in this research. The joining efficiency rate is introduced as a comparative parameter among different joining processes. In the case of adhesive bonding, 16 different adhesives were used to join specimens together. The highest bond strength and joining efficiency rate for both the pure (16 MPa, 78%) and basalt fiber-reinforced (18 MPa, 44%) adhesive-bonded specimens was achieved with acrylate-based two-component adhesives. The bond strength and joining efficiency rates of bonded specimens manufactured with four welding technologies (hot gas welding, friction stir welding, ultrasonic welding, laser welding) were also investigated. The highest bond strength for both pure PLA and basalt fibre-reinforced PLA specimens (51 MPa and 125 MPa, respectively) was attained by laser welding. The highest joining efficiency rate for pure PLA specimens (85%) was attained by ultrasonic welding, while it was achieved by laser welding for basalt-fibre reinforced PLA specimens (70%).

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Section: Welding Technologiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Adherability and weldability of poly(lactic acid) and basalt fibre-reinforced poly(lactic acid)

Kiss

Temesi

Czigány

2017

Journal of Adhesion Science and Technology

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“…The butt fusion welding is one of the simplest and most effective welding methods for polyethylene pipes [1][2][3], compared with other methods [4][5][6][7][8][9] used for polymer joints. The quality and integrity of pipe systems depend on their welded joints.…”

Section: Introductionmentioning

confidence: 99%

Effect of defects on the burst failure of butt fusion welded polyethylene pipes

et al. 2016

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With the increasing demand of Medium density polyethylene (MDPE) pipes for gas transmission, the safety concern related with welding defects is becoming a serious matter. In this paper, experimental burst tests and finite element analyses were employed to study butt fusion welded MDPE pipe joints with spherical and planar defects of various sizes. These defects were used to simulate lack of bonding during the welding. Test results showed that in all pipe test cases, the failure location originated from pipe substrates, even though the defect size was increased to 45% of the pipe's wall thickness. The burst pressure could be estimated by the expression employed in the ASME BPVC, and in the burst pressure, the hoop stress was 20.28 MPa. Simulation results showed that the failure position was not only affected by the defect size, but also by the welding bead. It can be argued that a single welding defect whose maximum size is smaller than 15% of the thickness can be used without failure during short-term usage, even when there is no welding bead in the welded joint.

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“…The joint of polycarbonate (PC) and polymethyl-methacrylate (PMMA) with high joint strength and good interface structure was prepared. Zhang et al (2011) also used the novel ultrasonic welding and obtained the high joint strength of poly(lactic acid) (PLA)/PMMA hybrids by using a functionally gradient material as their interposed sheet. The joining of dissimilar materials has become very important; in particular, the technology for joining a metal and a polymer resin is highly necessary.…”

Section: Introductionmentioning

confidence: 99%

Improving the shear strength by silane treatments of aluminum for direct joining of phenolic resin

Qiu

Sakai

Lei

et al. 2012

Journal of Materials Processing Technology

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Ultrasonic weld properties of heterogeneous polymers: Polylactide and poly (methyl methacrylate)

Cited by 24 publications

References 10 publications

Adherability and weldability of poly(lactic acid) and basalt fibre-reinforced poly(lactic acid)

Adherability and weldability of poly(lactic acid) and basalt fibre-reinforced poly(lactic acid)

Effect of defects on the burst failure of butt fusion welded polyethylene pipes

Improving the shear strength by silane treatments of aluminum for direct joining of phenolic resin

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