Polymer-matrix Composites for High-temperature Applications

Mangalgiri, Prakash D.

doi:10.14429/dsj.55.1980

Cited by 48 publications

(29 citation statements)

References 4 publications

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“…low moisture absorption of nearly 4 %, retain thermal stability, overcome ageing affects and do not get affected by oxidation. The polymer matrices are developed in the high temperature ranges viz, 120-250°C, 250-350°C and 350°C and above [5]. 4.…”

Section: High Temperature Composite Specialtymentioning

confidence: 99%

“…The parts affected with such temperature range are the airframe skin, the aero-engine parts and the surrounding areas, and the parts exposed to hyper velocity or supersonic speeds. The commonly used matrices are the liquid crystalline polymers, cyanates, polyimides and bismaleimides [2,8,5,6,9]. The matrices are reinforced with carbon, glass or aramid fibres especially continuous fibre which provides improved material and physical properties [2,8,9].…”

Section: Introductionmentioning

confidence: 99%

“…The epoxy based carbon or the glass or the aramid composites have been extensively used for load bearing structural applications on the aircraft. The future generation aircraft or any other high temperature applications of the range of 120-400°C [5] would require the matrices to withstand the brunt of the high temperatures based on the area of application. In case of aircraft the high temperature zones have been the aircraft skin of supersonic/hypersonic aircraft, the leading edges of the wing and control surfaces and around the aero-engine regions even at the exhaust end where high exhaust plumes are exposed on the exhaust plates which are subjected to temperature stresses and strain.…”

Section: Introductionmentioning

confidence: 99%

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High Temperature Polymer Nanocomposites

Balasubramanian¹,

Tirumalai²

2013

Engineering Materials

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The chapter on High Temperature Polymer Nanocomposites mainly covers the advancements made in the research on varied composite materials and their novel innovations for high temperature applications. The chapter begins with a prelude on existing polymers of thermoplastic or thermosets and also a combination of the two to exploit the dual advantage of both high temperature thermoplastics and thermosets. The polymer composites are developed and implemented for varied temperature regimes in the range of 120-250°C, 250-350°C specially suited for aerospace applications. Further research work is under progress to explore the material suitable for temperatures above 350°C. The initial section explains on the applicability of polymer composites having matrices such as either liquid crystalline polymer, cyanates, polyimides or bismaleimides which are reinforced with either the carbon, glass or aramid fibres especially continuous fibre which provides improved material and physical properties. The polymer-composites are assessed for performance of the matrices and the composites not only for their strength or stiffness but also for their resistance to cracking, minimum loss of weight, brittleness due to cross-linking and other properties that may degrade the performance of the composites over the long period of high temperature applications. This section mentions on the literature reviews having come up with research in progress on other types of resins for high temperature applications namely the oligomers such as the acetylene terminated polyimides or the norbornene terminated polyimides. The second section is concerned with the polymer-nanocomposites for high temperature applications. In this section, the role of nanofillers in the enhancement of composite properties is discussed. The various forms of nanofillers are the nanoclay, nanofibres, carbon

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Section: High Temperature Composite Specialtymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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High Temperature Polymer Nanocomposites

Balasubramanian¹,

Tirumalai²

2013

Engineering Materials

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“…In recent time, the applications of fiber reinforced polymer matrices have found tremendous growth in primary load bearing structures such as airframe in aircrafts, satellites and space vehicles where service temperature requirement is about 120°C, however, attention is now turning to high temperature application of such composites in such areas as aero-engines and airframes of supersonic or hypersonic aircraft where temperature requirement is about 200 to 400°C (Mangalgiri, 2005). Typical applications such as electrical components and under hood automotive are those areas where high temperature polymer composites are also required (Kalavenness and Reichold, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of dioctyl phthalate (DOP) modified matrix on the thermal stability of glass fiber reinforced composite

Isa¹,

Ahmed²,

Aderemi³

et al. 2014

J. Chem. Eng. Mater. Sci.

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Unsaturated polyester was modified with dioctyl phthalate (DOP) and used as matrix in glass fiber reinforced composite. The effect on the thermal stability of the composite was studied in this work. The results of the modification showed that modified matrix had the best thermal stability at 5 wt% DOP with temperature of 373°C at 20% weight loss as compared with unmodified of temperature of 346°C at the same weight loss. The analysis of the resultant composites also indicated that the composite with modified matrix had better thermal stability having 65% of its weight left at 897°C as compared with unmodified matrix with 53% of its weight at the same temperature. The drop weight impact test conducted did not show any significant difference in the properties of the modified composite and unmodified.

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“…The usage of such composites, even for primary loadbearing structures in military fighters, transport aircraft, satellites and space vehicles has been beneficially realized. Attention is now focused on expanding the usage of such composites to other areas where temperatures could be higher in the range of 200-400 o C [1]. Multi-Walled Carbon Nanotubes functionalized with amino groups (MWCNT-NH2) via chemical modification of the carboxyl groups introduced on the surface of MWCNT.…”

mentioning

confidence: 99%