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1 Journal of Polish CIMAC

1 2008

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The Influence Of Treatment Parameters On The Quality Of Mmc Coatings Surfaces Applied To Recondition Parts Of Ship Machinery

Dyl T., Starosta R.

Journal of Polish CIMAC

2008

Vol. 3, no 2

9-13

During voyage lots of repairs are carried out onboard vessels. It is quite frequent to recondition cylindrical surfaces ( for example torque pump shaft neck ). The welding technology of applying alloy and composite coatings is very common. In this paper the technology of infrasound thermal spraying of composite metal-ceramic coatings was presented. It is a simple technology and a very useful one in ship machinery repairs during voyage ( e.g. internal combustion engines, torque pumps, separators ). The MMC coatings must undergo finishing treatment due to high surface roughness after application. The most popular is machining ( e.g. lathing or grinding ). The authors also propose the application of plastic treatment. In the paper the influence of treatment parameters as well as plastic treatment on the treated surface quality of cylinders made of C45 steel with Ni-Al alloy coating and Ni-Al-Al2O3 was defined.