A preparation method of the hypereutectic high-chromium white cast iron comprises the following steps: adding waste iron, pig iron and high carbon ferro-chrome in an intermediate frequency induction furnace with a vacuum system for melting, pre-deoxidizing

3/26 · Applications where high abrasion resistance is required, like grinding mills, brick molds, shot blasting mold and equipment, and mining equipment, use of high chromium

The detailed deformation mechanism and its microstructural modifications of white cast iron grinding balls used in comminution have been investigated using transmission electron microscopy (TEM) and XRD. De-shaping is the primary mode of ball consumption, and fracture of balls is a relatively uncommon failure mode. Deshaping is the manifestation of abrasive wear caused during the operation

Grain refinement of 25 wt% high-chromium white cast iron by addition of v anadium improves the fracture strength due to formation of a fine- grained microstructure (Nelson, ; Liu et al. , 2005).

High chromium hardened white cast iron (HCWCI) is widely used in processes having high mechanical requirements and wear resistance but having limited toughness. Its wear resistance is directly linked to its microstructure and the addition of alloy elements [ 1 ].

Microstructure. e microstructure of as-cast high chromium white cast iron with no Ti-addition consists of M 7 C 3 carbides that form during solidi cation as eutectic phase (a mixture of M 7 C 3 and austenite) a er the for-mation of proeutectic austenite dendrites

High Chromium Casting, High-chromium alloy casting and forging, high-chromium castings is called high-chromium casting or steel castings, and is a chromium-based white cast iron. It is a kind of grinding medium among ordinary white cast iron and nickel hard white iron developed from the third generation of chromium-based wear-resistant materials.

High chromium white cast iron has different matrix structures in different treatment states. There are austenite in casting state, pearlite in annealing state, martensite in quenching state, and tempered martensite in tempering state. All of them contain (Fe,Cr) 7 C 3 type eutectic carbide. In this experimental condition, heat treatment has

The high-alloy white cast irons fall into three major groups: ❖ The nickel-chromium white irons, which are low-chromium alloys.

MICROSTRUCTURE AND PROPERTIES OF HIGH CHROMIUM WHITE CAST IRONS ALLOYED WITH BORON. high chromium white cast iron, boron, microhardness, hardness, 

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