Interfacial characterization of a SiC fiber-reinforced AlN composite

Journal Article · Sun Jan 01 00:00:00 EST 1995 · Scripta Metallurgica et Materialia; (United States)

DOI:https://doi.org/10.1016/S0956-716X(99)80023-5· OSTI ID:6820544

Park, K; Vasilos, T; Sung, C ^[1]

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1. Univ. of Massachusetts, Lowell, MA (United States). Dept. of Chemical and Nuclear Engineering

In this study, an attempt was made to improve the mechanical properties of AlN by the incorporation of SiC (SCS-6) fibers (TEXTRON Specialty Materials, Lowell, MA) in a unidirectional array. The SiC fibers are one of the most important reinforcements for ceramic- and metal-matrix composites due to high tensile strength (3,450 MPs), high tensile modulus (400 GPa), and low density (3.0 g/cc). The SiC fiber (15 vol %)-reinforced AlN composite was fabricated by hot-pressing in vacuum. The microstructure and chemistry of interfacial regions in as-fabricated and crept composite were characterized using analytical transmission electron microscopy, in order to investigate the nature of the reaction between the fiber and matrix during both composite fabrication and creep tests and to understand the reinforcing effects of SiC fiber in the AlN matrix. Interfacial characteristics of the composite play an important role in influencing the mechanical properties of the composite.

• OSTI ID: 6820544
• Journal Information: Scripta Metallurgica et Materialia; (United States), Vol. 32:1; ISSN 0956-716X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM NITRIDES
INTERFACES
MECHANICAL PROPERTIES
COMPOSITE MATERIALS
MICROSTRUCTURE
SILICON CARBIDES
EXPERIMENTAL DATA
MECHANICAL TESTS
PHASE STUDIES
ALUMINIUM COMPOUNDS
CARBIDES
CARBON COMPOUNDS
DATA
INFORMATION
MATERIALS
MATERIALS TESTING
NITRIDES
NITROGEN COMPOUNDS
NUMERICAL DATA
PNICTIDES
SILICON COMPOUNDS
TESTING
360602* - Other Materials- Structure & Phase Studies
360603 - Materials- Properties