In Situ Strength Model for Continuous Fibers and Multi-Scale Modeling the Fracture of C/SiC Composites
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DOI: 10.1007/s10443-018-9696-y
Abstract: A new in situ strength model of carbon fibers was developed based on the distribution of defects to predict the stress-strain response and the strength of C/SiC composites. Different levels of defects in the fibers… read more here.
Keywords: fiber bundles; strength; situ strength; model ... See more keywords
Multi-Scale Modeling and Experimental Study of the Strength of Plain-Woven SiC/SiC Composites
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DOI: 10.1007/s10443-019-09783-5
Abstract: The strength of plain-woven SiC/SiC composites was predicted with the multi-scale method. Firstly, a three-dimensional unit cell was used to characterize the geometric structure of plain-woven SiC/SiC composites. Secondly, the yarns were seen as minicomposites,… read more here.
Keywords: sic sic; plain woven; sic composites; strength plain ... See more keywords
Modeling Thermal Expansion Behavior of 2.5 D C/SiC Composites in Air Oxidizing Environments between 400 °C and 800 °C
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DOI: 10.1007/s10443-019-09792-4
Abstract: A model, based on the oxidation kinetics model of unidirectional C/SiC composite (between 400 °C and 800 °C in air, P = 100 KPa), is developed to predict the coefficient of thermal expansion (CTE) of 2.5D C/SiC… read more here.
Keywords: cte sic; air oxidizing; sic composites; thermal expansion ... See more keywords
Thermoelectric properties of CoSb3 and CoSb3/SiC composites prepared by mechanical alloying and microwave sintering
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DOI: 10.1007/s10854-017-6824-7
Abstract: Pure CoSb3 and 0.1 vol% nano-SiC-composited CoSb3 were prepared by mechanical alloying and subsequent fast microwave sintering. The electrical transport properties display totally different behaviors in microwave-annealed CoSb3 and CoSb3/SiC composites, implying their susceptibility to… read more here.
Keywords: cosb3; prepared mechanical; mechanical alloying; cosb3 cosb3 ... See more keywords
Effect of Heat Treatment on Microstructure of Al4Cu-SiC Composites Consolidated by Powder Metallurgy Technique
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DOI: 10.1007/s11665-020-04685-1
Abstract: Silicon carbide particles-reinforced Al4Cu composites containing 2.5, 5 and 7.5 wt.% of reinforcement were fabricated using powder metallurgy (PM) technique. The sintered Al4Cu-SiC composites were solution treated for 6 h at two different temperatures (495 and… read more here.
Keywords: heat treatment; al4cu sic; treatment; metallurgy ... See more keywords
Microstructure and mechanical properties of reaction bonded B4C-SiC composites: The effect of polycarbosilane addition
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DOI: 10.1016/j.ceramint.2017.01.066
Abstract: Abstract Reaction bonded B 4 C-SiC composites were prepared by infiltrating silicon melt into porous B 4 C-SiC green preforms at 1500 °C in vacuum. The porous green preform was obtained from a mixture of polycarbosilane… read more here.
Keywords: addition; reaction bonded; mechanical properties; reaction ... See more keywords
Effect of oxidation treatment on KD–II SiC fiber–reinforced SiC composites
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DOI: 10.1016/j.ceramint.2017.05.001
Abstract: Abstract Continuous silicon carbide fiber–reinforced silicon carbide matrix (SiC f /SiC) composites have developed into a promising candidate for structural materials for high–temperature applications in aerospace engine systems. This is due to their advantageous properties,… read more here.
Keywords: oxidation treatment; treatment; fiber; sic composites ... See more keywords
Fabrication and mechanical properties of SiC composites toughened by buckypaper and carbon fiber fabrics alternately laminated
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DOI: 10.1016/j.ceramint.2017.06.090
Abstract: Abstract SiC ceramics, for the first time, were toughened with nano scale carbon nanotubes (CNTs) buckypapers and micro scale carbon fibers within this work. The CNTs buckypapers were alternately laminated with carbon fiber fabrics (C… read more here.
Keywords: carbon fiber; carbon; alternately laminated; fiber fabrics ... See more keywords
Experimental investigations on grinding characteristics and removal mechanisms of 2D–Cf/C-SiC composites based on reinforced fiber orientations
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DOI: 10.1016/j.ceramint.2017.08.064
Abstract: Abstract The effects of fiber orientations on the grinding force and ground surface roughness in grinding 2D–C f /C–SiC composites were investigated in this work. The characteristics of surface microstructure and the mechanism of the… read more here.
Keywords: surface surface; fiber orientations; surface; surface roughness ... See more keywords
Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases
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DOI: 10.1016/j.ceramint.2017.10.197
Abstract: Abstract SiC nanowires (SiCnws) were used to modify the interphase of carbon fiber/pyrocarbon/SiC(Cf/PyC/SiC) composites. These SiCnws were grown in the carbon fiber preform via chemical vapor infiltration(CVI). The effects of these SiCnw interphases on the… read more here.
Keywords: via chemical; carbon fiber; sic composites; pyc sic ... See more keywords
Scratch behavior of boron nitride nanotube/boron nitride nanoplatelet hybrid reinforced ZrB 2 -SiC composites
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DOI: 10.1016/j.ceramint.2017.11.100
Abstract: Abstract Spherical instrumented scratch behavior of ZrB2-SiC composites with and without hybrid boron nitride nanotubes (BNNTs) and boron nitride nanoplatelets (BNNPs) was investigated in this research. Typical brittle fracture such as microcracks both in and… read more here.
Keywords: boron nitride; zrb2 sic; sic composites; scratch behavior ... See more keywords