2019
DOI: 10.1016/j.jallcom.2019.151824
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3D SiC containing uniformly dispersed, aligned SiC whiskers: Printability, microstructure and mechanical properties

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Cited by 40 publications
(22 citation statements)
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“…On one hand, the increase of whisker content will lead to the slurry viscosity increase, while the bubbles in the high viscosity slurry cannot be quickly discharged during extrusion and curing, which will lead to the overall porosity (πa${\pi _a}$) increase (as shown in Table 1) and decrease the mechanical properties of the 4SiC w /GP composite. On the other hand, when the whiskers content in the composite reaches about 4 wt.%, the whisker agglomeration will be intensified, 29,44 and the internal defects caused by whisker agglomeration will also lead to the decline of its mechanical properties.…”
Section: Resultsmentioning
confidence: 99%
“…On one hand, the increase of whisker content will lead to the slurry viscosity increase, while the bubbles in the high viscosity slurry cannot be quickly discharged during extrusion and curing, which will lead to the overall porosity (πa${\pi _a}$) increase (as shown in Table 1) and decrease the mechanical properties of the 4SiC w /GP composite. On the other hand, when the whiskers content in the composite reaches about 4 wt.%, the whisker agglomeration will be intensified, 29,44 and the internal defects caused by whisker agglomeration will also lead to the decline of its mechanical properties.…”
Section: Resultsmentioning
confidence: 99%
“…Till now, many researchers have tried to add whiskers, nanowires, chopped fibers, or other second phase reinforcement to achieve the strengthening and toughening. Xiong et al [90] reported to mix PCS precursor with n-hexane and SiC whiskers to prepare an ink. Then, SiC w /PCS green body was prepared by DIW and following drying, oxidative cross-linking and solidification.…”
Section: Direct Ink Writing (Diw)mentioning
confidence: 99%
“…Initial studies of printing reinforced polymer‐derived ceramics have shown promising results. Researchers have dispersed SiC whiskers in a carbosilane preceramic polymer and solvent solution that was then printed with the DIW method 15,16 . They showed the ability to control alignment of the whiskers and to achieve >30 MPa strength from a 62% porous lattice printed with a ~0.2 mm diameter nozzle.…”
Section: Introductionmentioning
confidence: 99%
“…Researchers have dispersed SiC whiskers in a carbosilane preceramic polymer and solvent solution that was then printed with the DIW method. 15,16 They showed the ability to control alignment of the whiskers and to achieve >30 MPa strength from a 62% porous lattice printed with a ~0.2 mm diameter nozzle. Brinckmann et al 17 printed a photocurable siloxane-based preceramic resin with 1.45% by volume SiC whiskers on DLP printers.…”
Section: Introductionmentioning
confidence: 99%