Braids and Braiding

Brunnschweiler, D.

doi:10.1080/19447015308687874

Cited by 91 publications

(43 citation statements)

References 1 publication

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“…Brunnschweiler [4,5] and subsequently Ko and Pastore [1] discussed in details the principles of braid manufacture and the use of braided fabrics as reinforcing phase within engineering structures. Recently, Carey and Ayranci [6] reviewed the published studies on 2D braided composites outlining advantages and disadvantages of this technique, different characterisation methods currently employed and applications of BRPC in the composite industry.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of the mechanical properties of dry microbraids and microbraid reinforced polymer composites

Rosso

Iannucci

Curtis

2015

Composite Structures

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a b s t r a c tThis paper presents a comprehensive series of mechanical tests performed on two high performance polymeric fibres, microbraids and microbraid reinforced polymer composites (mBRPC). Quasi-static tests were performed on the raw materials and the effect of different gauge lengths and strain rates investigated. Then, microbraids having sub-millimetre diameters were manufactured from the raw yarns using a Maypole-type braiding machine. The effects of different braid architectures, number of braided yarns and bias angles were assessed through a series of tensile tests on dry microbraids. A novel and unique manufacturing method of aligning microbraids in a unidirectional fashion via robotised filament winding was developed to manufacture microbraid reinforced polymer composites (mBRPC). Quasi-static tensile tests performed on mBRPC showed improved mechanical properties, for certain architectures, with respect to those noted for unidirectional composites manufactured using same technique.

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Section: Introductionmentioning

confidence: 99%

Experimental investigation of the mechanical properties of dry microbraids and microbraid reinforced polymer composites

Rosso

Iannucci

Curtis

2015

Composite Structures

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“…By interlacing different yarn groups in a predetermined pattern, 2D weaving creates a thin fabric with twodimensional structure, while 3D weaving forms an integrated three-dimensional architecture [22]. (b) Braiding: In the braiding process, each yarn is attached to a carrier [23]; due to different carrier motion paths, the yarn groups intertwine with one another. For 2D braiding, yarn carriers move back-and-forth along undulating linear or circular paths; while in 3D braiding processes, yarn carriers move within a 2D braiding platform [16].…”

Section: Introductionmentioning

confidence: 99%

Additive manufacturing of multi-directional preforms for composites: opportunities and challenges

et al. 2015

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Current additive manufacturing methods present the potential to construct net-shape structures with complicated architectures, thus eliminating the need for multi-step processing and fasteners/joints. Combined with these features is the ability to ascribe material properties at the sub-millimeter scale, inspiring multi-material, functionally graded designs. These features make additive manufacturing an attractive option for composite materials development. In an effort to extend this family of technologies beyond nano-and micro-composites, we explore the additive manufacture of multi-directional composite preforms. This exercise has served to highlight the aspects of additive manufacturing critical to composite and general materials processing, as well as to demonstrate the high fidelity between modeled and additively manufactured structures. Within the scope of composites development, we review the state-of-the-art and discuss challenges facing the broad adoption of additive manufacturing for directionally reinforced composites processing.

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“…Brunnschweiler [2,3] was one of the first researchers to report on the mechanics of braid formation. He used idealized geometry to examine braiding angle and fiber coverage and developed a single equation incorporating the braiding angle θ, part parameter P, number of carriers N, widths of braiding and axial tows.…”

Section: Introductionmentioning

confidence: 99%

Integrated Design for Manufacturing of Braided Preforms for Advanced Composites Part I: 2D Braiding

Gao

2013

Appl Compos Mater

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This paper presents a 2D braiding design system for advanced textile structural composites was based on dynamic models. A software package to assist in the design of braided preform manufacturing has been developed. The package allows design parameters (machine speeds, fiber volume fraction, tightness factor, etc.) to be easily obtained and the relationships between said parameters to be demonstrated graphically. The fabirc geometry model (FGM) method was adopted to evaluate the mechanical properties of the composites. Experimental evidence demonstrates the success of the use of dynamic models in the design software for the manufacture of braided fabric preforms.

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Braids and Braiding

Cited by 91 publications

References 1 publication

Experimental investigation of the mechanical properties of dry microbraids and microbraid reinforced polymer composites

Experimental investigation of the mechanical properties of dry microbraids and microbraid reinforced polymer composites

Additive manufacturing of multi-directional preforms for composites: opportunities and challenges

Integrated Design for Manufacturing of Braided Preforms for Advanced Composites Part I: 2D Braiding

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