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Properties of TiB2–PSO modified SiHfBCN-based adhesive through polymer-derived-ceramic route

Luan, Xingang ; Dong, Xichao ; Li, Min ; Cheng, Laifei ; Riedel, Ralf (2022)
Properties of TiB2–PSO modified SiHfBCN-based adhesive through polymer-derived-ceramic route.
In: Ceramics International, 48 (21)
doi: 10.1016/j.ceramint.2022.07.084
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

High temperature SiHfBCN-based ceramic adhesives are fabricated by polymer derived ceramic route with SiHfBCN precursors, TiB2 and polysiloxane (PSO). The phase composition and microstructure were investigated by X-ray diffraction and scanning electron microscopy, respectively and the evolution of pores was analyzed by Micron X-ray 3D Imaging System and VG Studio MAX 3.0.2 software. After heat-treating at 80 degrees C and curing at 170 degrees C in air, the adhesion strength detected in air of SiHfBCN adhesives is 3.22 MPa at room temperature (RT) and can rise to 5.47 MPa at 1000 degrees C after pyrolysis at 1000 degrees C in air for 2 h with a universal testing machine. By modifying SiHfBCN with TiB2-PSO, the adhesion strength can be enhanced to 9.49 MPa at RT and 6.37 MPa at 1000 degrees C. The results indicate that the formation of SiO2-B2O3-TiO2 ternary glasses play an important role in improving the adhesion strength. The present study broaden the high temperature adhesive family suitable for large-scale complex ceramic components in harsh environments.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Luan, Xingang ; Dong, Xichao ; Li, Min ; Cheng, Laifei ; Riedel, Ralf
Art des Eintrags: Bibliographie
Titel: Properties of TiB2–PSO modified SiHfBCN-based adhesive through polymer-derived-ceramic route
Sprache: Englisch
Publikationsjahr: 1 November 2022
Verlag: Elsevier
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Ceramics International
Jahrgang/Volume einer Zeitschrift: 48
(Heft-)Nummer: 21
DOI: 10.1016/j.ceramint.2022.07.084
Kurzbeschreibung (Abstract):

High temperature SiHfBCN-based ceramic adhesives are fabricated by polymer derived ceramic route with SiHfBCN precursors, TiB2 and polysiloxane (PSO). The phase composition and microstructure were investigated by X-ray diffraction and scanning electron microscopy, respectively and the evolution of pores was analyzed by Micron X-ray 3D Imaging System and VG Studio MAX 3.0.2 software. After heat-treating at 80 degrees C and curing at 170 degrees C in air, the adhesion strength detected in air of SiHfBCN adhesives is 3.22 MPa at room temperature (RT) and can rise to 5.47 MPa at 1000 degrees C after pyrolysis at 1000 degrees C in air for 2 h with a universal testing machine. By modifying SiHfBCN with TiB2-PSO, the adhesion strength can be enhanced to 9.49 MPa at RT and 6.37 MPa at 1000 degrees C. The results indicate that the formation of SiO2-B2O3-TiO2 ternary glasses play an important role in improving the adhesion strength. The present study broaden the high temperature adhesive family suitable for large-scale complex ceramic components in harsh environments.

Freie Schlagworte: High temperature adhesives, TiB2, PSO, SiHfBCN, High-Temperature Adhesive, Mechanical-Properties, Preceramic Polymer, Performance, Composites, Oxidation, Strength
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Disperse Feststoffe
Hinterlegungsdatum: 28 Okt 2022 06:01
Letzte Änderung: 28 Okt 2022 06:01
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