Short-fibre and particulate-reinforced metal-matrix composites

Technical Report · Tue Aug 01 00:00:00 EDT 1989

OSTI ID:6615002

Harris, S J

Short fibres, whiskers or particles of ceramic materials, e.g. silicon carbide and alumina, when dispersed in a more or less random manner in a metallic matrix can promote increases in stiffness and strength at ambient and elevated temperatures without imposing a weight penalty. The paper considers the available routes for the fabrication of such composites, e.g. by squeeze casting, spray forming, powder technologies and hot working etc. Influences of type and amount of reinforcement, matrix alloy selection and processing route on strength, creep and fatigue resistance are discussed. Comparisons are made with conventional metals and alloys, and polymers and metals reinforced with continuous fibres. Attention is drawn to the behaviour of these materials under compressive loading as well as to their thermal expansion and conductivity. The majority of the matrices considered are aluminium-based.

• Research Organization: Nottingham Univ. (UK)
• OSTI ID: 6615002
• Report Number(s): AD-P-005939/4/XAB
• Resource Relation: Other Information: This article is from Conference Proceedings of the Meeting of the Structures and Materials Panel of AGARD (67th) on New Light Alloys Held in Mierlo, Netherlands on 3-5 October, 1988, AD-A215 832, p25-1 thru 25-13. Availability: AGARD, Neuilly-Sur-Seine, France. No copies furnished by DTIC/NTIS
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
FABRICATION
MECHANICAL PROPERTIES
PHYSICAL PROPERTIES
ALUMINIUM OXIDES
SILICON CARBIDES
CERAMICS
COMPOSITE MATERIALS
COMPRESSION STRENGTH
CREEP
FATIGUE
FIBERS
HIGH TEMPERATURE
HOT WORKING
LIQUID METALS
MATRIX MATERIALS
POLYMERS
POWDERS
SPRAYS
THERMAL EXPANSION
WEIGHT
WHISKERS
ALLOYS
ALUMINIUM COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CHALCOGENIDES
CRYSTALS
ELEMENTS
EXPANSION
FLUIDS
LIQUIDS
MATERIALS
MATERIALS WORKING
METALS
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
SILICON COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360203 - Ceramics
Cermets
& Refractories- Mechanical Properties
360204 - Ceramics
Cermets
& Refractories- Physical Properties