Nanoscaled Boehmites’ Modes of Action in a Polymer and its Carbon Fiber Reinforced Plastic

Autor:	Wibke Exner, Michael Sinapius, Ulrich Riedel, Christine Arlt, Heinz Sturm
Rok vydání:	2012
Předmět:	chemistry.chemical_classification Boehmite Nanocomposite Materials science Composite Structure Polymer Fibre-reinforced plastic Compressive strength chemistry Residual stress Shear strength Composite material Damage tolerance Shrinkage
Zdroj:	Adaptive, tolerant and efficient composite structures ISBN: 9783642291890 Acting Principles of Nano-Scaled Matrix Additives for Composite Structures ISBN: 9783030685225
DOI:	10.1007/978-3-642-29190-6_4
Popis:	Laminates of carbon fiber reinforced plastic (CFRP), which are manufactured by injection technology, are reinforced with boehmite particles. This doping strengthens the laminates, whose original properties are weaker than those of prepregs. Besides the shear strength, compression strength and the damage tolerance, the mode of action of the nanoparticles in resin and in CFRP is also analyzed. It thereby reveals that the hydroxyl groups and even more a taurine modification of the boehmites’ surface alter the elementary polymer morphology. Consequently a new flow and reaction comportment, lower glass transition temperatures and shrinkage, as well as a changed mechanical behavior occur. Due to a structural upgrading of the matrix (higher shear stiffness, reduced residual stress), a better fiber-matrix adhesion, and differing crack paths, the boehmite nanoparticles move the degradation barrier of the material to higher loadings, thus resulting in considerably upgraded new CFRP.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c382b2f597bbd9941c5cf6f636a9ee32 https://doi.org/10.1007/978-3-642-29190-6_4 Zobrazit plný text záznamu