The preparation methods and the properties of the reinforced engineering materials

High strength fibres of carbon, boron, silicon carbide, tungsten, and other materials are widely used to reinforce metal matrix composite materials. Carbon and boron fibers are usually used to reinforce light alloys based on aluminum and magnesium. Products made from these materials are characterized by high strength and rigidity and can be used for a long time. Technological waste containing such fibres are hazardous to the environment because they are durable and have needle-like and other sharp shapes. Therefore, they must be disposed of with extreme care. A significant incentive for the processing and reuse of waste composites of this type is the relatively high cost of production of the primary fibre and the material as a whole. With the increase in the production of such materials in recent years, the need to recycle composite waste is becoming increasingly important. Three main options for primary processing are used to prepare composites for their subsequent use. They are mechanical, thermal, and chemical grinding technologies. One of the actual and practical areas of processing technology is the method of powder metallurgy. This paper presents the main stages of processing composite materials based on an aluminium matrix and B-W fibres to obtain powder compositions. The results of the studies showing the possibility of the effective use of the obtained crushed waste to manufacture concrete products and the production of cutting and grinding tools are presented.

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The preparation methods and the properties of the reinforced engineering materials

Cited by 3 publications

References 114 publications

Composite ceramics based on silicon carbide with layered location of reinforcing SiC fibers

Composite ceramics based on silicon carbide with layered location of reinforcing SiC fibers

SiC-Fiber Reinforced Silicon Carbide-Based Ceramic Composite

Recycling of Aluminum-Based Composites Reinforced with Boron-Tungsten Fibres

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