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1 Journal of KONES

1 2011

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Production of coatings with use of gas detonation. engine parts production and regeneration applications

Babul T., Oleszczak P.

Journal of KONES

2011

Vol. 18, No. 3

9-17

The first research studies on utilization of gas detonation in production of coatings on steel substrate were conducted in the fifties of the last century. In the first half of the 20th century the first constructions of the detonation guns were presented and patented and the first results of the production of coatings were published. Nowadays, the method is widely utilized in aircraft industry. One of the main advantages of the detonation method is that it enables production of various kinds of coatings with use of a wide range of materials in form of fine particles: metals, alloys, carbides, oxides and others. The coatings obtained with usage of the detonation method have low porosity and high adhesion and cohesion. Potentially, the detonation method produces coatings with unique features, impossible to obtain by use of other methods. However, the quality of the coatings strongly depends on properties of the coatings material particles jet generated by the detonation gun and processes taking place inside the detonation gun barrel during acceleration of the particles by the flow behind the detonation wave. The main aim of the paper is to present the general description and basic features of the detonation method of production of coatings and an original, Polish design of the detonation gun utilized in the process. The paper also presents results obtained with the use of the detonation gun and some examples of applications of the method.