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100 _a20210903a2021 k y0engy50 ba
101 0 _aeng
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aRobocasting of reaction bonded silicon carbide/silicon carbide platelet composites
_fL. Wahl, M. Weichelt, Ph. Goik [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 50 tit.]
330 _aPastes with a varying amount of uncoated SiC platelets (SiCplatelets) for the fabrication of reaction bonded silicon carbide (RBSC) were developed and the effect of the anisotropic particles on the microstructure and mechanical properties of the fabricated RBSC/SiCplatelets composites was studied. During printing the platelets align in printing direction due to shear forces. This texturization was confirmed by image analysis and EBSD measurement. The bending strength and the fracture toughness of about 470 MPa and 2.7 MPam1/2, respectively, did not change significantly after the addition of uncoated platelets, but showed comparable values according to the literature data for RBSC ceramics.
330 _aHardness and Young's modulus (17 GPa and 380 GPa) were also comparable to traditionally fabricated RBSC ceramics and showed a slight increase after the addition of platelets. SEM analysis of the fracture surfaces of the fabricated composites showed no pull-out and nearly no crack deflection, which may explain the constant values of the mechanical properties. Further work is therefore aimed at developing the paste filled with coated platelets. Although the influence of the uncoated platelets was small, the technological feasibility of producing textured RBSC/SiCplatelets composites using robocasting was demonstrated and the possibility to generate complex structures was successfully shown.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tCeramics International
463 _tVol. 47, iss. 7
_v[P. 9736-9744]
_d2021
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aкobocasting
610 1 _acomposites
610 1 _amicrostructure
610 1 _aplatelets
610 1 _aкомпозиты
610 1 _aмикроструктуры
610 1 _aтромбоциты
610 1 _aкарбид кремния
610 1 _aкерамика
610 1 _aсложные структуры
701 1 _aWahl
_bL.
_gLarissa
701 1 _aWeichelt
_bM.
_gMichelle
701 1 _aGoik
_bPh.
_gPhilip
701 1 _aSchmiedeke
_bS.
_gSamuel
701 1 _aTravitsky (Travitzky)
_bN.
_cspecialist in the field of material science
_cProfessor of Tomsk Polytechnic University
_f1951-
_gNakhum
_2stltpush
_3(RuTPU)RU\TPU\pers\42461
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа новых производственных технологий
_bОтделение материаловедения
_h7871
_2stltpush
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801 2 _aRU
_b63413507
_c20210903
_gRCR
856 4 _uhttps://doi.org/10.1016/j.ceramint.2020.12.113
942 _cCF