diamond tool limitations and problems

Cutting tools with diamond iron group material, the friction generated heat causes diffusion of carbon atoms in the diamond into the iron, the resulting diamond coating due to chemical wear and premature failure.
Limit of diamond tools
Regrinding and (or) heavy coating of diamond coated tools is difficult to guarantee the saw blades  quality of the coating formed on the surface as the tool for the pure diamond, so the tool with a diamond wheel for re-grinding takes a very long time. In addition, the growth of the diamond tool used. Preparation of the tool will change the chemical properties of the  wall saw blades surface, since the coating of this chemical properties requires very precise control, so the effect of the tool recoating difficult to be guaranteed.
Problems diamond tools
Diamond coating spalling can prevent flaking coating of diamond-coated tools are a serious problem, but also a common problem (especially in the processing of materials like carbon fiber), will lead to unpredictable tool life. The late 1990s, interfacial chemical properties were identified as affecting the diamond coating adhesion properties of important factors. By selecting good compatibility Carbide chemical characteristics, the  cbn grinding wheel use of appropriate technology and reasonable pre-deposition reaction conditions, it is possible to reduce or eliminate the diamond coating spalling, stably smooth wear patterns. Observed under the microscope normal wear diamond coated tool, you can find the diamond was worn until stable carbide substrate, without chipping or peeling.