SHORT INFORMATION CONCERNING COMPRESSIBILITY, MICROSTRUCTURE AND PROPERTIES OF MICROCOMPOSITE MATERIALS BASED ON COATED IRON POWDERS

• Published in: Powder Metallurgy Progress Vol. 10; no. 1; pp. 66 - 67
• Main Authors: Dudrova, E, Selecka, M
• Format: Journal Article
• Language: English
• Published: 01.01.2010
• Subjects: Compressibility (powder); Ecology; Markets; Materials science; Metal matrix composites; Micrometers; Powder metallurgy; Three dimensional
• ISSN: 1335-8987

Ecological societal thinking requires new advanced technologies for production of materials with specific properties according to market requirements. In many cases these requirements are possible to achieve by a suitable combination of two or several components, usually with different chemical natures, which will form the composite material. Its properties are generated by component properties, volume proportion and distribution of minority component in volume that can have one-dimensional (fibre, stick), two-dimensional (plate, lamella) or three-dimensional (spatial network) character with the degree of continuity varied from total up to discreet particles. According to matrix material, there are composites with ceramic matrix (CMCs), metal matrix (MMCs) and polymer matrix (PMCs). In relation to the properties, there are composite materials with high mechanical properties or with specific physical properties that are designated mainly for electrical engineering (engines, measuring apparatuses, etc.). In these advanced materials, which originated as a product of a basic research in the area of material science, physics and chemistry, characterised by the presence of structural components in size from nanometers up to micrometers, there appeared new phenomena which required substantial knowledge.