期刊
TRIBOLOGY TRANSACTIONS
卷 55, 期 6, 页码 762-771出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10402004.2012.709919
关键词
Abrasive Slurry Wear; PTA; Coating; Blast Furnace Slag
In this study, the abrasiveness property of blast furnace slags emerging as a waste material in the production of crude iron was investigated. The abrasive slurry wear (ASW) method was used for experiments. For abrasiveness tests, oxides (Al2O3, Al2O313% TiO2, Al2O340%TiO2, Cr2O3), including ceramics, which were coated on the AISI 1040 medium carbon steel surface via the plasma spray-coating method, were used. The aim of this experimental investigation was to determine the effects of the same parameters, such as abrasive particle size, mud concentration, rotational speed, and sliding distance, on abrasiveness. The effects of the investigated parameters on abrasiveness are given in order of the most affected to the leastas rotational speed, coating materials, abrasive particle size, and sliding effects, respectively. Abrasion resistance was increased as a result of an increase in the hardness of coating for abraded material. According to sample scanning electron microscopy (SEM) micrographs, plastic deformation and microcrack abrasion mechanisms were determined. It was determined that blast furnace slag has a characteristic that causes abrasion on ceramics coatings. In addition, it was observed that blast furnace slag has quite a high abrasion effect on substrates. The best wear resistance was observed in the coating of Cr2O3 and other magnitudes of wear resistance from high to low for coatings were determined as Al2O3, Al2O313% TiO2, and Al2O340%TiO2, respectively
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