Fiber reinforcement polymer-based

Shakhtour, H., Heberling, D., Breckenfelder, C., 2013. Fiber-reinforced polymer based patch antenna for automotive and avionic applications. In 35th ESA Antenna Workshop on Antenna and Free Space RF Measurements, 10-13 September 2013. ESTC, Noordwijk, The Netherlands. 

Holeczek, K., Kostka, R, Modler, N., 2014. Dry friction contribution to damage-caused increase of damping in fiber-reinforced polymer-based composites. Adv. Eng. Mater. 16 (10), 1284-1292. 

Domier has developed a production route for continuous fiber-reinforced ceramics based on the impregnation and pyrolysis of Si-polymers. This process is related to the manufacturing of fiber-reinforced plastics and allows the cost-effective production of large and complex CMC-structures. 

Power-law expressions are still nsed to describe snch polymer-fiber melts. Typical power-law parameters for selected fiber-polymer systems are shown in Table 4.7. Semiempirical expressions based on Eq. (4.23) have also been developed, as well as models based on energy dissipation. A complete review of these correlations is beyond the scope of this text, and the interested reader is referred to reference 9 for a more complete review of viscosity in fiber-reinforced polymer melts. 

Substrates used included fiber-reinforced epoxy base polymer [FRP], nylon 66, polytetrafluoroethylene [Teflon], poly(ethylene terephthalate) [PET], phenolic resin, and thermoplastic polyimide [ULTEM, GE]. FRPs were the primary substrates used. Initially, they were cleaned with detergent in an ultrasonic bath followed by rinsing with deionized water and alcohol. For further cleaning, they were treated with oxygen plasma (1.33 seem, 60 W, 5 min) followed by a hydrogen plasma treatment (3 seem, 60 W, 5 min). 

Fibers have been widely used in polymeric composites to improve mechanical properties. Cellulose is the major substance obtained from vegetable fibers, and applications for cellulose fiber-reinforced polymers have again come to the forefront with the focus on renewable raw materials. Hydrophilic cellulose fibers are very compatible with most natural polymers. The reinforcement of starch with ceUulose fibers is a perfect example of a polymer from renewable recourses (PFRR). The reinforcement of polymers using rigid fillers is another common method in the production and processing of polymeric composites. The interest in new nanoscale fillers has rapidly grown in the last two decades, since it was discovered that a nanostructure could be built from a polymer and layered nanoclay. This new nanocomposite showed dramatic improvement in mechanical properties with low filler content. Various starch-based nano-composites have been developed. 

The mechanical responses (stress, strain, displacement, and strength) of fiber-reinforced polymer (FRP) composites under elevated and high temperatures are affected significantly by their thermal exposure. On the other hand, mechanical responses have almost no influence on the thermal responses of these materials. As a result, the mechanical and thermal responses can be decoupled. This can be done by, in a first step, estimating the thermal responses (as introduced in Chapter 6) and then, based on the modeHng of temperature-dependent mechanical properties, predicting the mechanical responses of the FRP composites. 

As in petroleum-based polymers, most of the biodegradable polymer-based blends also show partial miscibility within their blends. In the miscibility perspective, this heterogeneous nature makes biodegradable polymer blends comparable with particulate-filled and fiber-reinforced polymer... 

The economic design of high-quality tanks for storing hypochlorite solutions has been a long-standing problem [75]. Iitanium would be an excellent material of construction, but only at a yery high cost. Rubber-lined carbon steel has been widely used in both horizontal and vertical tanks. Fiber-reinforced polymers are attractive candidates, but results often have been unsatisfactory. Vinylester resins (e.g., Derakane 411) are preferred, and polyester resins also may be satisfactory. Those with high chemical resistance are best, and bisphenol A resins, for example, are preferred to those based on isophthalic acid. 

Chapter 5 summarizes the investigation of lignocellulosic flax fiber-based reinforcement requirements to obtain structural and complex shape polymer composites. This chapter discusses in detail the possibility of forming complex shape structural composites which are highly desirable for advanced applications. Chapter 7 focuses on the structure and properties of cellulose-based starch polymer composites, while Chapter 8 focuses on the spectroscopic analysis of rice husk and wheat gluten husk-based polymer composites using computational chemistry. Chapter 9 summarizes the processing, characterization and properties of oil palm fiber-reinforced polymer composites. In this chapter, the use of oil palm as reinforcement in different polymer matrices such as natural rubber, polypropylene, polyurethane, polyvinyl chloride, polyester, phenol formaldehyde, polystyrene, epoxy and LLDPE is discussed. Chapter 10 also focuses on... 

One of the most important focus areas of research in the development of natural fiber-reinforced polymer composites is characterisation of the fiber-matrix interface, since the interface alone can have a significant impact on the mechanical performance of the resulting composite materials, in terms of the strength and toughness. The properties of all heterogeneous materials are determined by component properties, composition, structure and interfacial interactions [62]. There have been a variety of methods used to characterize interfacial properties in natural fiber-reinforced polymer composites, however, the exact mechanism of the interaction between the natural fiber and the polymeric matrix has not been clearly studied on a fundamental level and is presently the major drawback for widespread utilization of such materials. The extent of interfacial adhesion in natural fiber-reinforced polymer composites utilizing PLA as the polymer matrix has been the subject of several recent investigations, hence the focus in this section will be on PLA-based natural fiber composites. 

---