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10-02-2009, 10:17 PM #14
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Thanked: 1212A fair explanation
I don't know enough about this topic, so I'll accept your point.
That goes against all my observations and against all logic.
Why would an edge be continuously be able to be defined between thiner boundaries, as we progress through increasingly finer hones, and certainly stop doing that at the 4K level?
If it were true, this would mean I could hone an razor till it peaks at my Chosera 5K (I'm sorry it's not 4K) and next, just suffice to replace the Chosera scratch pattern on a Coticule with water (that's how I eventually finish the vast majority of my edges), and end up with a result that meets my standards? I have to ask you to take my word for it, but that razor would not be sharp enough to my standards.
Talking about Verhoeven: I scanned through his paper once more. Where does he state that the edge width (EW) stops decreasing at 4000 grit?
Verhoeven reports about how the edge width decreases from stropping on CrO or on 1µ diamond paste. "The 1 micron diamond abrasive produced optimum edge widths of around 0.3 microns, while the CrO abrasive gave only slightly larger EW values, around 0.4 microns."
Maybe those guys saying that diamond paste is "harsher" than CrO, are talking about too keen edges after all.
If the differences are that significant on paste particles of 1µm and 0.5µm, then I don't believe that they will only be in the nanometer region on hones that use abrasives coarser than that.
Bart.