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Application of new MQ-P-T technology in white cast iron balls (3）
/in Grinding Media Balls /by Hexin AfricaOn the one hand, the addition of chromium in casting grinding ball decreases the carbon content of the eutectic point and decreases the austenite area in the phase diagram. On the other hand, the type of carbide structure changes from reticulate M3C type to isolated M7C3 type, and the hardness of carbide increases, from 850 […]
Application of new MQ-P-T technology in white cast iron balls (2）
/in Grinding Media Balls /by Hexin AfricaThe high chromium cast iron products treated in this paper are made of hot metal with a temperature of 1550 °C, which are cast into 80mm diameter high chromium cast iron grinding balls in a cold mould. The chemical composition of the material is shown in Table 1.
Application of new MQ-P-T technology in white cast iron balls (1)
/in Grinding Media Balls /by Hexin AfricaAbstract: Fe-2.4C-12Cr high chrome white cast iron balls with a diameter of 80mm was quenched and tempered with water and air by MQ-P-T method, analysis of mechanical properties and microstructure, weaving, alignment, comparison. The strengthening and toughening mechanism of MQ-P-T treated high chromium cast iron was investigated using micro-and microstructure characterization. The results show that […]
Trial-manufacture and application of as-cast low chrome alloy casting balls (3)
/in Grinding Media Balls /by Hexin AfricaAccording to the designed composition, the molten iron is smelted by induction furnace; after slag removal, temperature adjustment, alloy addition, sampling analysis, and adjusting the composition to be qualified, the molten iron is drawn out at 1500 ~ 1550 °C and is modified by the inner-ladle method, at 1400 ~ 1450 °C, Molten iron is […]
Trial-manufacture and application of as-cast low chrome alloy casting balls (2)
/in Grinding Media Balls /by Hexin AfricaAccording to the requirements of mechanical properties, after repeated tests, the following chemical composition and scope have been designed: Carbon is the basic element that affects its structure and properties and the important factor that affects the properties of alloy grinding balls. With the increase of carbon content, the EUTECTIC carbides increased and distributed in […]