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Torsional Shear Strength of Silicon Carbide Components Pressurelessly Joined by a Glass‐Ceramic
Author(s) -
Ferraris Monica,
Salvo Milena,
Rizzo Stefano,
Casalegno Valentina,
Han Shaohua,
Ventrella Andrea,
Hinoki Tatsuya,
Katoh Yutai
Publication year - 2012
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2012.02775.x
Subject(s) - materials science , silicon carbide , composite material , ceramic , torsion (gastropod) , slurry , compression test , compression (physics) , medicine , surgery
Silicon carbide ( SiC ) samples have been joined by a pressureless slurry based method. The CaO – Al 2 O 3 ( CA ) glass‐ceramic joining material has been characterized in term of crystalline phases and thermal and mechanical properties. A torsion test based on miniaturized hourglass shaped specimens has been used as pure shear strength test method for joined ceramic samples. Torsion results are compared to those obtained by a single lap offset ( SLO ) test in compression on the same joined materials. Pure shear strength of 104 ± 25 MPa has been measured by torsion test, whereas single lap offset gave 36 ± 8 MPa.
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