Basalt fibre reinforced SiOC-matrix composites: Manufacturing technologies and characterisation

Weichand, Patrick; Gadow, Rainer

doi:10.1016/j.jeurceramsoc.2015.06.002

Cited by 24 publications

(11 citation statements)

References 13 publications

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“…For a treatment at 1000 • C, these crystals seem to emerge to the outer surface of the filaments (see Figure 6 right). This behavior was again already mentioned in the same previous publication [13].…”

Section: Resultssupporting

confidence: 85%

“…Square plates with 200 mm side length and 3 mm thickness with carbon and basalt fabric reinforcement were manufactured via Resin Transfer Molding. The RTM equipment from Composite Integration Ltd. (Saltash, UK) was modified at IFKB to meet the processing requirements of polysiloxanes [13]. Additionally, the mold design was optimized in terms of infiltration and curing behavior of polysiloxane in cooperation with WingsAndMore GmbH & Co. KG (Ebersbach, Germany).…”

Section: Methodsmentioning

confidence: 99%

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Process Technology, Applications and Thermal Resistivity of Basalt Fiber Reinforced SiOC Composites

Gadow¹,

Weichand²,

Jiménez³

2019

Ceramics

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Promising lightweight composite materials, bridging the gap between Polymer and Ceramic Matrix Composites, are manufactured as polymer derived ceramics by the use of polysiloxanes and basalt fibers. Such competitive free formable Hybrid Composites are supposed to be capable for lightweight applications in a temperature range between 300 °C and 850 °C and short time exposure up to over 1000 °C, even in oxidative atmosphere. Cheap raw materials like basalt fibers and siloxane resins in combination with performing manufacturing technologies can establish completely new markets for intermediate temperature composites. These attributes enable the Hybrid Composites as ideal material for fire retardant applications in automotive engineering and public transportation, as well as in fire protection systems in electrical and civil engineering applications. In this study, the most prominent fields of application and engineering solutions for Hybrid-CMC are reviewed and the results of the thermal resistivity analysis effectuated on basalt fiber reinforced SiOC samples are presented. This study consisted of several air exposures between 1 h and 50 h and temperatures in the range of 650 °C to 1100 °C. Remaining mechanical resistance was characterized by Impulse Excitation Technique (IET) and Interlaminar Shear Strength (ILSS) tests. Basalt fiber reinforced samples exhibited a decent level of mechanical performance even after the most demanding exposures. Due to the poor oxidation resistance of carbon fibers, Cf/SiOC composites were completely degraded after long-term exposure at 500 °C in air.

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Section: Resultssupporting

confidence: 85%

Section: Methodsmentioning

confidence: 99%

Process Technology, Applications and Thermal Resistivity of Basalt Fiber Reinforced SiOC Composites

Gadow¹,

Weichand²,

Jiménez³

2019

Ceramics

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show abstract

“…Currently, most FRPs use epoxy or polyester resins as a matrix [5]. However, the reinforcement of plywood could allow the mounting of fabrics with other wood-working adhesives.…”

Section: Introductionmentioning

confidence: 99%

Basalt-Fiber-Reinforced Polyvinyl Acetate Resin: A Coating for Ductile Plywood Panels

et al. 2019

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The aim of this study was to create a reinforced composite wood-based panel that would be leaned towards the environment Plywood was used as a core material and fiber-reinforced polymer was used as a reinforcement. Conventional resin for the fiber-reinforced polymer was substituted with polyvinyl acetate (PVAC), which has several advantages, such as a lower price, easier handling, and better degradability. The second chosen component, basalt fiber, is cost attractive and environmentally friendly. The combination of one and two layers of fabric with three fiber fractions and 4 mm thick plywood was investigated. The best results were achieved with two layers of fabric and the highest fiber fraction. The improvements of the ultimate bending load and bending stiffness of the plywood in the perpendicular direction were 305% and 325%, respectively. The ultimate load and stiffness of the parallel direction were improved by 31% and 35%, respectively. However, specimens always failed in the compressional zone. The highest reinforcing effect was found with the impact test: The energy required to fracture specimens increased by 4213% and 6150% for one and two layers of fabric, respectively. In conclusion, specimens exhibited high ductility due to the PVAC and basalt fiber. The amount of work and energy required to cause fractures was extensive.

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“…The importance of the pyrolysis temperature is shown in publications with SiCO matrices at pyrolysis temperatures at 700 °C with basalt fibers. Within these works, the influence of the pyrolysis temperature and pyrolysis atmosphere on the material hardness, microstructure, and composition was studied …”

Section: Introductionmentioning

confidence: 99%

Oxidation Behavior of Alumina Fiber Reinforced SiCO Composites for a Co‐Firing Process on Steel Pipes

2019

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In order to increase the operating temperature of power plants up to 700 C and to reduce the revision intervals at the current temperatures (550 C), the temperature and pressure-induced load of a hot steam pipe can be decreased by a ceramic matrix composite (CMC) jacket, that consist of alumina fibers (Nextel 610) within a SiCO matrix. Due to the creep resistance of the CMC jacket, the lifetime of the steel tube is significantly enhanced [Spatz et al., J. Eur. Ceram. Soc. 2018, 38, 2954. Within this work, the influence of oxidation of this specifically developed CMC jacket material on the mechanical properties and microstructure is examined at 550 C up to 500 h. Polymer infiltration and pyrolysis (PIP) is applied in order to fabricate unidirectional fiber reinforced oxide CMCs at 750 C in N 2 . Open porosities below 15%, shear strengths up to 18 MPa, and tensile strength up to 230 MPa are obtained after 500 h at 550 C. In order to analyze the effect of oxidation and thermal treatment, the amount and the distribution of porosity, which cause significantly changes within the microstructure, and the mechanical properties of the oxide composites are studied and discussed.

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Basalt fibre reinforced SiOC-matrix composites: Manufacturing technologies and characterisation

Cited by 24 publications

References 13 publications

Process Technology, Applications and Thermal Resistivity of Basalt Fiber Reinforced SiOC Composites

Process Technology, Applications and Thermal Resistivity of Basalt Fiber Reinforced SiOC Composites

Basalt-Fiber-Reinforced Polyvinyl Acetate Resin: A Coating for Ductile Plywood Panels

Oxidation Behavior of Alumina Fiber Reinforced SiCO Composites for a Co‐Firing Process on Steel Pipes

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