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cementite upon cooling below the eutectoid temperature, ~723 °C. White cast iron derives its name from the white, crystalline crack surface observed when a casting fractures. Most white cast irons contain <4,3% carbon, with low silicon contents to inhibit the precipitation of carbon as graphite.
1 mar 2020 · The paper is aimed to give an overview on the white cast iron alloys, and particularly high chromium white cast iron alloys, including their classifications, their standard...
This article examines the relationships between microstructure, processing, and properties of graphitic cast irons. Abrasion-, corrosion-, and heat-resistant irons are specialty grades which are not discussed here.
White cast irons are widely used in abrasive wear applications involved in the crushing, grinding, milling and handling of abrasive materials such as minerals and ores, both dry and as slurries. White cast iron can be divided in three classes [3]: Normal white cast iron – this iron contains C, Si, Mn, P and S, with no other alloying elements
These are essentially white cast irons alloyed with 12% to 18% chromium and are popularly known as Ni-hard. Chromium imparts abrasion resistance to oxidation. High-chromium cast irons are resistant to oxidizing acids, particularly nitric acid and are useful for work with weak acids under oxidizing conditions with many organic acid
White Cast Iron: Properties and Applications Fe 3 C makes WCI hard and brittle. White cast irons have high wear resistance but they are extremely brittle and difficult to machine. Most of the WCI is produced to manufacture Malleable Cast Iron.
16 cze 2021 · The microstructure and mechanical properties of high boron white cast irons with about 4wt% chromium before and after treating with rare earth magnesium alloy were studied in this article.
