In this paper, we try to use the common hot pressing sintering method, using the mixture of high temperature decomposition ammonium bicarbonate and ceramic hollow ball as the pore making agent, and prepare the metal bonded diamond wheel by changing the content of the pore making agent or the doping ratio alone, to study the potential influence of the two kinds of binders on the wheel, and analyze the difference of the effect of the binder on the pore making and the effect and the recovery Benefit.<br>
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