Microstructural and thermal stress effects on mechanical properties of boron carbide particle‐reinforced silicon carbide

Ceramic composites consisting of a silicon carbide matrix and boron carbide particles of various sizes and weight percentages were produced, characterized, and mechanically tested to elucidate the effect of microstructure on the mechanical response. All samples were observed to have flexural strengt...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2024-02, Vol.107 (2), p.1249-1261
Main Authors: Shoulders, William Taylor, Guziewski, Matthew, Swab, Jeffrey J.
Format: Article
Language:English
Subjects:
Boron
Boron carbide
ceramic matrix composites
Compressive properties
Crack initiation
Flexural strength
Fracture mechanics
Fracture toughness
Initial stresses
Mechanical analysis
Mechanical properties
Mechanical tests
microcracking
Microcracks
Micromechanics
Microstructure
Particulate composites
Raman spectroscopy
Residual stress
Silicon carbide
Stress state
Tensile stress
Thermal expansion
Thermal stress
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Description
Summary:Ceramic composites consisting of a silicon carbide matrix and boron carbide particles of various sizes and weight percentages were produced, characterized, and mechanically tested to elucidate the effect of microstructure on the mechanical response. All samples were observed to have flexural strength values lower than either of the constituent phases; however, blends with finer B4C particles (
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.19535