Abstract

In this paper, investigations into the improved wear behavior are carried out on Plasma Transferred Arc-coated sleeves and bushings from electroplating. Basically, Stellite 6 and Tribaloy 800 with WC, WC-Co, TiC, NbC, and chromium carbide are analyzed using X-ray diffractometry, SEM, and micro-hardness measurements. Changes in the microstructure during the respective solidification processes are discussed. Using pin-and-disk tests in Zn-0.18Al baths at 470 deg C, conclusions are drawn about the wear behavior and correlated with microstructure analyzes and hardness measurements. Paper includes a German-language abstract.

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