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The effect of rare earth (Re) and titanium (Ti) multi-modification on the impact wear behavior of Mn-B high-Si bainitic cast steel was investigated systematically. The experiments show that the impact wear resistance can be improved greatly with the addition of Re and Ti. Its wear loss is only about 1/3-1/2 as large as that of the unmodified bainitic cast steel. By the Re/Ti modification, coarse dendrite...
The characteristics of impact wear of high hardness steel have been studied by repetitive impact testing. The subsurface microstructure and wear debris have been investigated, and both wear resistance and failure models are discussed. Experimental results indicate that there are two zones beneath the wom surface (WS): namely a white layer (WL) and a deformation zone (DZ). The WL is an intensely deformed...
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