The Optimized Performance of Linear Vibration Welded Nylon 6 and Nylon 66 Butt Joints

Kagan, Val A.; Lui, Siu-Ching; Smith, G. R.; Patry, J.

doi:10.1016/b978-188420781-5.50002-4

Cited by 16 publications

(49 citation statements)

References 6 publications

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“…The micrographs also suggest that low pressures are required in order to prevent the entanglements from collapsing similar to the low weld thickness theory proposed by Kagan for short glass fiber reinforced composites [9]. Figure 7 shows strength as a function of weld pressure for the T weld geometry.…”

Section: Butt Weldssupporting

confidence: 70%

Vibration Welding of Continuously Reinforced Thermoplastic Composites

Bates¹,

Couzens

Kendall

2001

Journal of Thermoplastic Composite Materials

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Continuous fiber reinforced composites are used in a variety of aerospace, automotive and industrial applications. The ability of thermoplastic composites to be melted and subsequently resolidified allows joining processes such as vibration welding to be used. In this research, vibration welding was used to join polypropylene plates reinforced with woven glass fibers. The effect welding parameters, such as meltdown, weld pressure and weld geometry were investigated. Vibration welding is shown to join highly reinforced composite materials with weld strengths approaching those of short fiber composites.

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Section: Butt Weldssupporting

confidence: 70%

Vibration Welding of Continuously Reinforced Thermoplastic Composites

Bates¹,

Couzens

Kendall

2001

Journal of Thermoplastic Composite Materials

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“…The non-welded specimens of reinforced nylon 66 had statistically higher tensile strength than the welded specimens. This result was expected as the glass fibres at the weld are generally oriented in the weld plane and thus offer little reinforcement when stress is applied normal to this interface [5,14,16]. Among welded reinforced nylon 66 specimens, low weld pressure yields superior tensile weld strengths than high weld pressure.…”

Section: Tensile Resultsmentioning

confidence: 76%

“…The fibre orientation is influenced by the flow of the material during injection moulding [5,11,13,14]. It is accepted that the preferential fibre orientation in thin edge-gated plaques is parallel to the melt flow direction during cavity filling as shown in Fig.…”

Section: Methodsmentioning

confidence: 98%

“…At a target meltdown, the vibration stops, and the interface cools and then solidifies [2]. Research has found that the strength of vibration-welded joints can depend on amplitude, meltdown, and weld pressure [1][2][3][4][5][6]. MacDonald [6] studied the effects of amplitude, meltdown and weld pressure on the tensile strength of unreinforced and glass fibre reinforced nylon 6 and 66 at a weld frequency of 212 Hz.…”

Section: Introductionmentioning

confidence: 99%

“…Much research on vibration welding e.g., [1][2][3][4][5][6] has generally focused on the short-term mechanical properties of thermoplastic materials. Glass reinforced nylon is being used increasingly in structural applications such as railways [7], and automotive under hood and exterior components.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Fatigue properties of vibration-welded nylon 6 and nylon 66 reinforced with glass fibres

Tsang

DuQuesnay

Bates

2008

Composites Part B: Engineering

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Thermoplastic vibration welding: Review of process phenomenology and processing–structure–property interrelationships

Patham

Foss

2010

Polymer Engineering & Sci

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Vibration welding offers a robust method for physically joining thermoplastics to fabricate complex hollow assemblies from simpler injection‐molded articles without using an external heat source, adhesives, or mechanical fasteners. Vibration welding involves a complex interplay of several phenomena—solid (Coulomb) friction, melting, high strain‐rate, pressure‐driven, strong (high‐strain) melt flows, solidification, and microstructure development—which ultimately govern the strength and integrity of the weld. Defects in the weld region may lead to catastrophic failure of the welded assembly. In this article, the current understanding of the processing–structure–property relationships in the context of vibration welding of thermoplastics and polymer‐matrix composites is reviewed. Experimental as well as analytical methods of investigation of the vibration welding process phenomenology are presented. The interrelationships between the microstructure in the weld region and the resulting weld strength and fatigue behavior are then discussed in the light of this phenomenological information for neat polymers, filled polymers, polymer blends, and foams. This review is also aimed at identifying the areas requiring further investigation with regard to understanding vibration welding phenomenology and weld structure–property relationships. POLYM. ENG. SCI., 2011. © 2010 Society of Plastics Engineers

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The Optimized Performance of Linear Vibration Welded Nylon 6 and Nylon 66 Butt Joints

Cited by 16 publications

References 6 publications

Vibration Welding of Continuously Reinforced Thermoplastic Composites

Vibration Welding of Continuously Reinforced Thermoplastic Composites

Fatigue properties of vibration-welded nylon 6 and nylon 66 reinforced with glass fibres

Thermoplastic vibration welding: Review of process phenomenology and processing–structure–property interrelationships

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