Sliding Erosion Mechanism and Measurement

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Abstract
This paper describes the shortcomings in the determination of wear in equipment where the predominant wear mechanism is that due to sliding erosion with a very low angle of impact. A description is given of the design and operation of the novel erosion tester which overcomes the limitations of existing testers. Results with the spinning loop tester have shown that the wear mechanism closely resembles that in practice under solid flow unlike the jet erosion tester which has been used until now. This new test procedure is suitable for the prediction of wear in pipes and chutes during the handling of solid material. It can simulate dry or wet handling with any environmental condition e.g. under corrosive or high temperature and high vacuum operating conditions. This test procedure allows for the use of any size of impacting particle as opposed to the jet tester which only allows for the use of fine particles. Particle sizes up to 75 mm are possible.
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