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You are here: Home » News » Product News » Effect of Nano-nickel powder on the performance of diamond impregnated cutting tools

Effect of Nano-nickel powder on the performance of diamond impregnated cutting tools

Views:0     Author:Site Editor     Publish Time: 2017-08-09      Origin:Site

The sintering temperature being lowered and matrix being selectes in the manufacturing proces are the good way to reduce the effect of sintering temperature on the properties of diamond and improve matrix performance of cutting tools.Diamond impregnated matrix samples with an appropriate of nano-nickel powder were prepared by thevaccum hot-pressed.The hardness,strength,friction properties and microstructure were investigated in order to evaluate the feasibility of this method.The results show that for WC-based diamond impregnated matrix,HRC of the matrix containing nano-nickel powder is increased by 11.9%,bending strength by 18.4% and abrasion ratio by 44.5% than those of the matrix without nano-nickel powder respectively;and for Fe-based diamond impregnated matrix,HRC of the matrix containing nano-nickel powder is increased by 19.5%,bending strength by 0.2%,and abrasion ratio by 33.3% than those of the matrix without nano-nickel powder respectively.So adding nano-nickel powder on the matrix can reduce the effect of sintering temperature on diamond and improve cutting performance.


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